Download Daikin BRC1C71 Specifications
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SiUS39 - 501 R410A Heat Pump 60Hz RXYMQ-M Series 6L86 R410A Heat Pump 60Hz ,QWURGXFWLRQ Y 6DIHW\&DXWLRQV Y Part 1 General Information........................................................... 1 0RGHO1DPHVRI,QGRRU2XWGRRU8QLWV ([WHUQDO$SSHDUDQFH ,QGRRU8QLWV 2XWGRRU8QLWV Part 2 Specifications .................................................................... 5 6SHFLILFDWLRQV 2XWGRRU8QLWV ,QGRRU8QLWV Part 3 List of Electrical and Functional Parts ........................... 17 /LVWRI(OHFWULFDODQG)XQFWLRQDO3DUWV 2XWGRRU8QLWV ,QGRRU8QLWV Part 4 Refrigerant Circuit ........................................................... 23 5HIULJHUDQW&LUFXLW 5;<04Â0 )XQFWLRQDO3DUWV/D\RXW 5;<04Â0 Part 5 Function ........................................................................... 27 2SHUDWLRQ0RGH %DVLF&RQWURO 1RUPDO2SHUDWLRQ &RPSUHVVRU3,&RQWURO (OHFWURQLF([SDQVLRQ9DOYH3,&RQWURO &RROLQJ2SHUDWLRQ)DQ&RQWURO 6SHFLDO&RQWURO 7DEOHRI&RQWHQWV 6WDUWXS&RQWURO 2LO5HWXUQ2SHUDWLRQ 'HIURVWLQJ2SHUDWLRQ 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H[FKDQJHUNHHSWKHVXSHUKHDWHGGHJUHHDWWKHRXWOHWRIVXEFRROLQJKHDWH[FKDQJHU FRQVWDQWDQGRWKHUV 5HIULJHUDQW&LUFXLW 6L86 5HIULJHUDQW&LUFXLW � M Four way valve T N Service port High pressure SP sensor Oil separator Pressure regulating valve Filter Heat exchanger D � P Filter G Capillary tube SV � HPS Solenoid valve High pressure switch � D A Compressor � SP O Low pressure sensor E Check valve Check valve Check valve Check valve Filter S Fusible plug Double pipe heat exchanger Electronic expansion valve Receiver SV J Filter F Filter Solenoid valve Electronic expansion valve Filter Heat exchanger pipe Stop valve (With service port on field piping side φ6.4mm flare connection) C : 3D047385 5HIULJHUDQW&LUFXLW )XQFWLRQDO3DUWV/D\RXW 6L86 )XQFWLRQDO3DUWV/D\RXW 5;<04Â0 %LUGVH\HYLHZ Y2S Solenoid valve (Connector color : PINK) S1NPH High pressure sensor (Connector color : RED) S1NPH High pressure sensor lead wire (Connector color : RED) (Low voltage) Y3S Four way valve coil Y1E Electronic expansion valve S1NPL Low pressure sensor (Connector color : BLUE) Y2E Electronic expansion valve R3T Discharge pipe thermistor lead wire S1NPL Low pressure sensor lead wire (Connector color : BLUE) (Low voltage) Y1S Solenoid valve (Connector color : WHITE) Y3S Four way valve lead wire (Connector color : BLUE) (High voltage) Y2S Solenoid valve lead wire (Connector color : PINK) (High voltage) Y1S Solenoid valve lead wire (Connector color : WHITE) (High voltage) E1HC Crankcase heater lead wire (Connector color : GRAY) (High voltage) 1PN06261B 5HIULJHUDQW&LUFXLW 6L86 Part 5 Function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unction 'UDLQ3XPS&RQWURO /RXYHU&RQWUROIRU3UHYHQWLQJ&HLOLQJ'LUW 7KHUPRVWDW6HQVRULQ5HPRWH&RQWUROOHU )UHH]H3UHYHQWLRQ 9LHZRI2SHUDWLRQVRI6ZLQJ)ODSV 27 2SHUDWLRQ0RGH 6L86 2SHUDWLRQ0RGH Operation in stop mode Indoor unit stop or thermostat OFF Indoor unit thermostat ON Malfunction/Standby Restart standby (Compressor stop) Pressure equalization prior to startup Malfunction/ Standby Indoor unit stop or thermostat OFF Startup control • Cooling startup control • Heating startup control Indoor unit thermostat ON Pump-down residual operation Malfunction/Standby Indoor unit stop or thermostat OFF Normal operation • Compressor PI control • Electronic expansion valve PI control • Protection control Cooling or heating operation Malfunction/ Standby Oil return IN conditions are met. Yes Oil return operation No Defrost IN conditions are met. Yes Defrosting operation No Operation mode change No Yes Note: In the event indoor unit stops or the thermostat turns OFF while in oil return operation or defrosting operation, pump-down residual operation is performed on completion of the oil return operation or defrosting operation. 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(QGLQJFRQGLWLRQV PLQ )XQFWLRQ 6L86 6SHFLDO&RQWURO 6WRSSLQJ2SHUDWLRQ 2SHUDWLRQRIWKHDFWXDWRUZKHQWKHV\VWHPLVGRZQLVFOHDUHGXS :KHQ6\VWHPLVLQ6WRS0RGH $FWXDWRU 2SHUDWLRQ &RPSUHVVRU 2)) 2XWGRRUXQLWIDQ 2)) )RXUZD\YDOYH .HHSIRUPHUFRQGLWLRQ 0DLQHOHFWURQLFH[SDQVLRQYDOYH(9 SOV 6XEFRROLQJHOHFWURQLFH[SDQVLRQYDOYH(9 SOV +RWJDVE\SDVVYDOYH693 2)) 5HFHLYHUJDVGLVFKDUJLQJYDOYH69* 2)) (QGLQJFRQGLWLRQV ,QGRRUXQLWWKHUPRVWDWLVWXUQHG21 )XQFWLRQ Special Control 3.7 SiUS39-501 Pressure Equalization Prior to Startup Before activating the compressor, the activation load is lightened by equalization across the compressor. In addition, inverters turn on electricity and capacitors are charged. Actuator Operation Remarks Compressor OFF Outdoor unit fan Cooling:OFF Heating:Ta>78.8°F; STEP8, Ta≤78.8°F; OFF Four way valve Keep former condition. Main electronic expansion valve (EV1) 0 pls Subcooling electronic expansion valve (EV2) 0 pls Hot gas bypass valve (SVP) ON Receiver gas discharging valve (SVG) OFF Ending conditions 40 or • • 3 min. • • Pc-Pe<29 psi Function 6L86 3URWHFWLRQ&RQWURO 3URWHFWLRQ&RQWURO +LJK3UHVVXUH3URWHFWLRQ&RQWURO 7KLVKLJKSUHVVXUHSURWHFWLRQFRQWUROLVXVHGWRSUHYHQWWKHDFWLYDWLRQRISURWHFWLRQGHYLFHVGXH WRDEQRUPDOLQFUHDVHRIKLJKSUHVVXUHDQGWRSURWHFWFRPSUHVVRUVDJDLQVWWKHWUDQVLHQW LQFUHDVHRIKLJKSUHVVXUH >,QFRROLQJRSHUDWLRQ@ Pc>493 psi High pressure not limited Pc: HP pressure sensor detection value & or • INV upper limit frequency • Pc ≤ 493 psi • During oil return operation • After oil return operation • Stopping operation • Heating operation High pressure limited INV upper limit frequency : 1-step down from current compressor frequency Every 10 sec. Pc>500 psi Keeping the current step Pc<479 psi 479 psi≤Pc≤493 psi Every 60 sec. INV upper limit frequency: 1-step up from current compressor frequency Every 5 min. INV upper limit frequency: 1-step up from current compressor frequency Pc>3.6MPa When occurring 3 times within 30 minutes, HPS is activated without high pressure standby, thus outputting the malfunction code "E3". High pressure standby (V3173) >,QKHDWLQJRSHUDWLRQ@ High-pressure drop High pressure not limited Pc>479 psi Pc: HP pressure sensor detection value Pc<450 psi High pressure limited 52Hz Pc>522 psi High pressure standby When HPS is activated, the malfunction code "E3" is output. (V3174) )XQFWLRQ 3URWHFWLRQ&RQWURO 6L86 /RZ3UHVVXUH3URWHFWLRQ&RQWURO 7KLVORZSUHVVXUHSURWHFWLRQFRQWUROLVXVHGWRSURWHFWFRPSUHVVRUVDJDLQVWWKHWUDQVLHQW GHFUHDVHRIORZSUHVVXUH >,QFRROLQJRSHUDWLRQ@ Low pressure not limited Pe<36 psi Pe: LP pressure sensor detection value Pe>58 psi Low pressure limited 52Hz Pe<10 psi Low pressure standby When occurring 3 times within 60 min., the malfunction code "E4" is output. (V3175) >,QKHDWLQJRSHUDWLRQ@ Pe: LP pressure sensor detection value • Pe>36 psi & • INV upper limit frequency Low pressure not limited Pe<23 psi Low pressure limited & More than 124Hz Pe<23 psi Upper limit: 124Hz Pe<19 psi Pe<19 psi Upper limit: 52Hz Pe>28 psi Upper limit: 1-step up from current compressor frequency Pe>28 psi (every 20 sec.) Pe>25 psi SVP = OFF SVP = ON Pe<15 psi Pe<10 psi Low pressure standby When occurring 3 times within 60 min., the malfunction code "E4" is output. (V3176) )XQFWLRQ 6L86 3URWHFWLRQ&RQWURO 'LVFKDUJH3LSH3URWHFWLRQ&RQWURO 7KLVGLVFKDUJHSLSHSURWHFWLRQFRQWUROLVXVHGWRSURWHFWWKHFRPSUHVVRULQWHUQDOWHPSHUDWXUH DJDLQVWDPDOIXQFWLRQRUWUDQVLHQWLQFUHDVHRIGLVFKDUJHSLSHWHPSHUDWXUH >,19FRPSUHVVRU@ HTdi :Value of INV compressor discharge pipe temperature (Tdi) compensated with outdoor air temperature Tp : Value of compressor port temperature calculated by Tc and Te, and suction superheated degree. Discharge pipe protection control not limited & or • HTdi>221˚F • Tp>266˚F & • Not during defrost operation (preparation ~ post operation) • Not during oil return operation in heating (preparation ~ post operation) • Not during oil return operation in cooling (without preparation and post opeation) or • HTdi<203˚F • Tp<212˚F • Defrost operation (preparation ~ post operation) • Oil return operation in heating (preparation ~ post operation) • Oil return operation in cooling (without preparation and post operation) In discharge pipe protection control INV upper limit frequency: 1-step up from current compressor frequency INV frequency 1-step down from current compressor frequency (lower limit: 52Hz) 30 sec. or • HTdi>230˚F • Tp>266˚F Cooling: 20 sec. Heating: 60 sec. & • HTdi<212˚F • Tp<239˚F Keep the current step Exclusion of the right conditions or • HTdi>266˚F • HTdi>239˚F for 90sec. or more • Tp>284˚F Fix INV frequency 52Hz or HTdi>275˚F HTdi>239˚F for 10 min. or more. Discharge pipe temp.control standby When occurring 3 times within 100 min., the malfunction code "F3" is output. (V3177) )XQFWLRQ 3URWHFWLRQ&RQWURO 6L86 ,QYHUWHU3URWHFWLRQ&RQWURO ,QYHUWHUFXUUHQWSURWHFWLRQFRQWURODQGLQYHUWHUILQWHPSHUDWXUHFRQWURODUHSHUIRUPHGWRSUHYHQW WULSSLQJGXHWRDPDOIXQFWLRQRUWUDQVLHQWLQYHUWHURYHUFXUUHQWDQGILQWHPSHUDWXUHLQFUHDVH >,QYHUWHURYHUFXUUHQWSURWHFWLRQFRQWURO@ Not limited & Inverter current >23.8A Limited •Inverter current ≤ 23.8A •INV upper limit frequency INV upper limit frequency: 1-step down from current compressor frequency •10 sec. & •Matching of frequency Inverter current >23.8A Status quo Inverter current ≤ 23.8A continues for 3 min. Without conditions INV upper limit frequency: 1-step up from current compressor frequency Inverter current ≥ 24.9A • When occurring 3 times within 60 min., the malfunction code "L8 " is output. • When occurring 3 times within 30 min., the malfunction code "L9" is output Inverter current standby (V3178) >,QYHUWHUILQWHPSHUDWXUHFRQWURO@ Not limited Tfin≥199.4˚F Limited & & •Tfin<194˚F •INV upper limit frequency INV upper limit frequency: 1-step down from current compressor frequency Tfin≥199.4˚F •10 sec. •Macthing of frequency Status quo Tfin≤194˚F continues for 3 min. Without conditions INV upper limit frequency: 1-step up from current compressor frequency Tfin≥210˚F Fin temp. standby • When occurring 3 times within 60 min., the malfunction code "L4" is output. 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'HWDLORI6HWWLQJ0RGH Test Operation 53 7HVW2SHUDWLRQ 6L86 7HVW2SHUDWLRQ 3URFHGXUHDQG2XWOLQH )ROORZWKHIROORZLQJSURFHGXUHWRFRQGXFWWKHLQLWLDOWHVWRSHUDWLRQDIWHULQVWDOODWLRQ &KHFN:RUN3ULRUWR7XUQ3RZHU6XSSO\2Q Check the below items. 2Power wiring 2Control transmission wiring between units 2Earth wire ¡ Is the power supply single-phase 208-230V / 60Hz? ¡ Have you finished a ductwork to drain? ¡ Have you detach transport fitting? ¡ Is the wiring performed as specified? ¡ Are the designated wires used? ¡ Is the grounding work completed? ¡ ¡ Check on refrigerant piping ¡ Is pipe size proper? (The design pressure of this product is 580 psi.) ¡ Are pipe insulation materials installed securely? ¡ Check on amount of refrigerant charge Use a 500V megger tester to measure the insulation. 2 Do not use a megger tester for other circuits than 200-230V circuit. Are the setscrews of wiring not loose? Is the electrical component box covered with an insulation cover completely? Liquid and gas pipes need to be insulated. (Otherwise causes water leak.) Are respective stop valves on liquid and gas line securely open? ¡ Is refrigerant charged up to the specified amount? ¡ If insufficient, charge the refrigerant from the service port of stop valve on the liquid side with outdoor unit in stop mode after turning power on. Has the amount of refrigerant charge been recorded on “Record Chart of Additional Refrigerant Charge Amount”? (V3180) 7XUQ3RZHU2Q Turn outdoor unit power on. ¡ Be sure to turn the power on 6 hours before starting operation to protect compressors. ¡ Close outside panels of the outdoor unit. Turn indoor unit power on. Carry out field setting on outdoor PC board (V3056) 54 Test Operation 6L86 7HVW2SHUDWLRQ &KHFN2SHUDWLRQ 'XULQJFKHFNRSHUDWLRQPRXQWIURQWSDQHOWRDYRLGWKHPLVMXGJLQJ &KHFNRSHUDWLRQLVPDQGDWRU\IRUQRUPDOXQLWRSHUDWLRQ :KHQWKHFKHFNRSHUDWLRQLVQRWH[HFXWHGDODUPFRGH8ZLOOEHGLVSOD\HG Press and hold the TEST button (BS4) on outdoor unit PC board for 5 seconds. Check on operation ¡ The test operation is started automatically. The following judgements are conducted within 15 minutes(about 30 at the maximum). minutes 2“Check for wrong wiring” 2“Check stop valve for not open” 2“Pipe length automatic judgement” The following indications are conducted while in test operation. 2LED lamp on outdoor unit PC board H2P flickers (test operation) 2Remote controller Indicates “Under Centralized Control” on upper right. 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(2) Set mode display (LED Orange) LEDs display mode according to the setting. (3) Mode setting switch Used to change mode. (4) Local setting switch Used to make local settings. 58 Test Operation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nit NO. FIELD SET MODE SETTIING 3 FIRST CODE NO. 1 7 4 TEST 6 5 2 2P068938 :KHQLQWKHQRUPDOPRGHSUHVVWKH³ ´EXWWRQIRUDPLQLPXPRIIRXUVHFRQGVDQGWKH ),(/'6(702'(LVHQWHUHG 6HOHFWWKHGHVLUHG02'(12ZLWKWKH³ ´EXWWRQ� 'XULQJJURXSFRQWUROZKHQVHWWLQJE\HDFKLQGRRUXQLWPRGH1RDQGKDYHEHHQ VHOHFWHGSXVKWKH³ ´EXWWRQ�DQGVHOHFWWKH,1'22581,712WREHVHW7KLV RSHUDWLRQLVXQQHFHVVDU\ZKHQVHWWLQJE\JURXS 3XVKWKH³ ´XSSHUEXWWRQ�DQGVHOHFW),567&2'(12 3XVKWKH³ ´ORZHUEXWWRQ�DQGVHOHFWWKH6(&21'&2'(12 3XVKWKH³ ´EXWWRQ�RQFHDQGWKHSUHVHQWVHWWLQJVDUH6(7 3XVKWKH³ ´EXWWRQ�IRUDERXWRQHVHFRQGWRUHWXUQWRWKH1250$/02'( ([DPSOH ,IGXULQJJURXSVHWWLQJDQGWKHWLPHWRFOHDQDLUILOWHULVVHWWR),/7(5&217$0,1$7,21 +($9<6(702'(12WR³´),567&2'(12WR³´DQG6(&21'&2'(12WR³´ Test Operation 59 )LHOG6HWWLQJ 6L86 :LUHOHVV5HPRWH&RQWUROOHU,QGRRU8QLW %5&& %5&& %5&( %5&( :KHQLQWKHQRUPDOPRGHSXVKWKH EXWWRQIRUVHFRQGVRUPRUHDQGRSHUDWLRQ WKHQHQWHUVWKH³ILHOGVHWPRGH´ 6HOHFWWKHGHVLUHG³PRGH1R´ZLWKWKH EXWWRQ 3XVKLQJWKH EXWWRQVHOHFWWKHILUVWFRGH1R 3XVKLQJWKH EXWWRQVHOHFWWKHVHFRQGFRGH1R 3XVKWKHWLPHU EXWWRQDQGFKHFNWKHVHWWLQJV 3XVKWKH EXWWRQWRUHWXUQWRWKHQRUPDOPRGH ([DPSOH :KHQVHWWLQJWKHILOWHUVLJQWLPHWR³)LOWHU'LUWLQHVV+LJK´LQDOOJURXSXQLWVHWWLQJVHWWKH0RGH 1RWR³´0RGHVHWWLQJ1RWR³´DQGVHWWLQJSRVLWLRQ1RWR³´ 60 Test Operation 6L86 )LHOG6HWWLQJ 6LPSOLILHG5HPRWH&RQWUROOHU %5&$ 6 13 2 1 3 5 H L F 7 4 8 9 11 10 12 BRC2A71 REMOTE CONTROLLER: NAME AND FUNCTION OF EACH SWITCH AND DISPLAY DISPLAY “ CONTROL) ON/OFF BUTTON � � Press the button and the system will start. Press the button again and the system will stop. OPERATION LAMP (RED) � The lamp lights up during operation. Blinks in case of stop due to malfunction. DISPLAY “ CONTROL) � ” (CHANGEOVER UNDER It is impossible to changeover heating/cooling with the remote controller when it shows this display. (As for details, see “SETTING OF MASTER REMOTE CONTROLLER” in the installation manual attached to the indoor unit.) DISPLAY “ � F This display shows the set temperature. Only given during a cooling or heating operation. ”“ ”“ ” This display shows current OPERATION MODE. “ ” is not available with outdoor units specially designed for cooling only. “ ” is reserved only for outdoor units capable of heat recovery. L ” (FAN SPEED) ” (DEFROST / HOT START) Indicates that defrost or hot start (during which the fan is stopped till the temperature of air supply rises enough at the start of a heating operation) is in progress. TEMPERATURE SETTING BUTTON �� ” (SET TEMPERATURE) DISPLAY “ ” “ ” “ (OPERATION MODE) � � H This display shows the fan speed: HIGH or LOW. DISPLAY “ ” (VENTILATION/AIR This display shows that the total heat exchanger and the air cleaning unit are in operation. (These are optional accessories). DISPLAY “ � When this display shows, the system is UNDER CENTRALIZED CONTROL. (This is not a standard specification) DISPLAY “ � ” (UNDER CENTRALIZED Use this button for SETTING TEMPERATURE of the thermostat. ; Each press raises the set temperature by 1°F. ; Each press lowers the set temperature by 1°F. The variable temperature range is between 60°F and 90°F. FAN SPEED CONTROL BUTTON �� �� Press this button to select the fan speed, HIGH or LOW, of your choice. OPERATION MODE SELECTOR BUTTON Press this button to select OPERATION MODE. DISPLAY “ �� ” (MALFUNCTION) Indicates malfunction and blinks if the unit stops operating due to malfunction. (As for details, see “TROUBLE SHOOTING” in the operation manual attached to the outdoor unit.) 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,IWKHDGGUHVVKDVWREHVHWLQGLYLGXDOO\IRUHDFKXQLWIRUSRZHUFRQVXPSWLRQFRXQWLQJHWFVHW WKHPRGH1RWR³´ 66 Test Operation 6L86 )LHOG6HWWLQJ %5&&7\SH %5&&7\SH %5&(7\SH *URXS1RVHWWLQJE\ZLUHOHVVUHPRWHFRQWUROOHUIRUFHQWUDOL]HGFRQWURO :KHQLQWKHQRUPDOPRGHSXVK EXWWRQIRUVHFRQGVRUPRUHDQGRSHUDWLRQWKHQ HQWHUVWKH³ILHOGVHWPRGH´ 6HWPRGH1R³´ZLWK EXWWRQ 6HWWKHJURXS1RIRUHDFKJURXSZLWK EXWWRQDGYDQFHEDFNZDUG (QWHUWKHVHOHFWHGJURXSQXPEHUVE\SXVKLQJ EXWWRQ 3XVK EXWWRQDQGUHWXUQWRWKHQRUPDOPRGH *URXS1R6HWWLQJ ([DPSOH Indoor unit P1·P2 P1·P2 P1·P2 Central remote controller Unified ON/OFF controller Group No. for 1-00 centralized control P1·P2 1-01 1-02 P1·P2 P1·P2 P1·P2 No remote controller Remote controller centralized control (automatic address) 1-03 1-04 (V3170) &DXWLRQ Test Operation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est Operation 6L86 +RZWR6HOHFW 2SHUDWLRQ0RGH Example ON by remote controller (Unified ON by central remote controller) ↓ Rejection )LHOG6HWWLQJ :KHWKHURSHUDWLRQE\UHPRWHFRQWUROOHUZLOOEHSRVVLEOHRUQRWIRUWXUQLQJRQRIIFRQWUROOLQJ WHPSHUDWXUHRUVHWWLQJRSHUDWLRQPRGHLVVHOHFWHGDQGGHFLGHGE\WKHRSHUDWLRQPRGHJLYHQRQ WKHULJKWHGJHRIWKHWDEOHEHORZ OFF by remote controller (Unified OFF by central remote controller) OFF by remote controller ↓ Rejection ↓ Rejection Temperature control by remote controller Operation mode setting by remote controller ↓ Acceptance ↓ Acceptance Control mode is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∗ 5HMHFWLRQ $FFHSWDQFH 5HMHFWLRQ $FFHSWDQFH 5HMHFWLRQ 'RQRWVHOHFW³WLPHURSHUDWLRQSRVVLEOHE\UHPRWHFRQWUROOHU´LIQRWXVLQJDUHPRWHFRQWUROOHU 2SHUDWLRQE\WLPHULVLPSRVVLEOHLQWKLVFDVH ∗)DFWRU\VHWWLQJ Test Operation 69 )LHOG6HWWLQJ 6L86 )LHOG6HWWLQJIURP2XWGRRU8QLW 6HWWLQJE\GLSVZLWFKHV 7KHIROORZLQJILHOGVHWWLQJVDUHPDGHE\GLSVZLWFKHVRQ3&ERDUG 1R '6 'LSVZLWFK 6HWWLQJ 6HWWLQJLWHP 21 2)))DFWRU\VHW &RRO+HDW FKDQJHRYHU VHWWLQJ 21 '6 a'6 2)))DFWRU\VHW '6 a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o. Item DS1-1 Cool/Heat change over setting Contents DS1-2 Cooling only/Heatpump setting DS1-3 DS1-4 Not used The Cool/Heat change over setting is carried out by COOL/HEAT changeover remote controller fitted to outdoor unit. OFF The Cool/Heat change over setting is not carried out by COOL/HEAT changeover remote controller fitted to outdoor unit. ON Cooling only OFF Heat-pump Do not change the factory settings. The following setting is performed according to capability of the outdoor unit. DS2-1 DS2-2 ON HP setting (Horse power) DS2-3 RXYMQ36MVJU RXYMQ48MVJU DS2-1 ON OFF DS2-2 OFF ON DS2-3 OFF OFF DS2-4 OFF OFF DS2-4 6HWWLQJE\SXVKEXWWRQVZLWFKHV 7KHIROORZLQJVHWWLQJVDUHPDGHE\SXVKEXWWRQVZLWFKHVRQ3&ERDUG /('GLVSOD\ +3 +3 +3 +3 +3 +3 +3 7 7 8 7 7 7 7 )DFWRU\VHWWLQJ 70 Test Operation 6L86 )LHOG6HWWLQJ BS1 BS2 BS3 BS4 BS5 MODE SET RETURN TEST RESET (V2760) 7KHUHDUHWKHIROORZLQJWKUHHVHWWLQJPRGHV c6HWWLQJPRGH+3RII ,QLWLDOVWDWXVZKHQQRUPDO$OVRLQGLFDWHVGXULQJ³DEQRUPDO´ d6HWWLQJPRGH+3RQ 8VHGWRPRGLI\WKHRSHUDWLQJVWDWXVDQGWRVHWSURJUDPDGGUHVVHVHWF8VXDOO\XVHGLQ VHUYLFLQJWKHV\VWHP e0RQLWRUPRGH+3EOLQNV 8VHGWRFKHFNWKHSURJUDPPDGHLQ6HWWLQJPRGH 0RGHFKDQJLQJSURFHGXUH Using the MODE button, the modes can be changed as follows. Setting mode 2 (Normal) Push and hold the BS1 (MODE button) for 5 seconds. Setting mode 1 Push the BS1(MODE button) one time. Monitor mode Push the BS1(MODE button) one time. MODE MODE MODE Off On H1P Blinking H1P H1P (V2761) 0RGHFKDQJLQJSURFHGXUH (Set): Select mode with BS2 (SET button) in each selection step. Press BS1 (MODE button) for more than 5 sec. Setting mode 2 Setting item selection (Set) Press BS3 (RETURN button). Setting condition selection (Set) Press BS3 (RETURN button). Setting mode 1 (Initial condition) Press BS1(MODE button). Monitor mode Check item selection (Set) Press BS3 (RETURN button). Contents display Press BS3 (RETURN button). Setting condition (Contents) display Press BS3 (RETURN button). Press BS1 (MODE button). Press BS1 (MODE button). (V2762) Test Operation 71 )LHOG6HWWLQJ 6L86 a. “Setting mode 1” “Normally, “Setting mode 1” is set. In case of other status, push MODE button (BS1) one time and set to “Setting mode 1”. 'LVSOD\IRUPDOIXQFWLRQSUHSDULQJWHVWUXQ ∗ The current state is displayed. 6HWWLQJGLVSOD\LQJLWHP 1RUPDO 0DOIXQFWLRQ 3UHSDULQJ7HVWUXQ 72 /('GLVSOD\H[DPSOH +3 +3 +3 +3 7 7 7 7 8 9 8 8 8 7 7 7 +3 +3 +3 7 7 7 7 7 7 7 7 7 82172))9%OLQN Test Operation 6L86 )LHOG6HWWLQJ b. “Setting mode 2” 1R Push and hold the MODE button (BS1) for 5 seconds and set to “Setting mode 2”. <Selection of setting items> Push the SET button (BS2) and set the LED display to a setting item shown in the table on the right. ↓ Push the RETURN button (BS3) and decide the item. (The present setting condition is blinked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³6WDUWLQJVHW´DQG³(QGLQJ VHW´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election of setting conditions> Push the SET button (BS2) and set to the setting condition you want. ↓ Push the RETURN button (BS3) and decide the condition. Push the RETURN button (BS3) and set to the initial status of “Setting mode 2”. 'HVFULSWLRQ 6HWVWRUHIULJHUDQWUHFRYHU\YDFXXPLQJPRGH ∗ If you become unsure of how to proceed, push the MODE button (BS1) and return to setting mode 1. (V2764) Test Operation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∗ )DFWRU\VHW 8777778 ∗ 8777787 8777778 ∗ 8777787 8777877 8777787 ∗ 8777778 8777877 8777787 ∗ 8777778 8777877 8777787 ∗ 8777778 8777778 ∗ 8777787 8777777 ∗ 8777778 8777787 8777788 8777778 8777787 ∗ 8777877 8777778 8777787 8777877 ∗ 8777778 ∗ 8777787 8777778 8777787 ∗ 8777877 8777778 ∗ 8777787 Test Operation 6L86 )LHOG6HWWLQJ 82172))9%OLQN c. Monitor mode 1R To enter the monitor mode, push the MODE button (BS1) when in “Setting mode 1”. <Selection of setting item> Push the SET button (BS2) and set the LED display to a setting item. 6HWWLQJLWHP /('GLVSOD\ +3 +3 +3 +3 +3 +3 +3 9DULRXVVHWWLQJV 1XPEHURIFRQQHFWHGLQGRRUXQLWV 9 7 7 7 7 7 7 9 7 7 7 8 7 8 &RQWHQWVRIPDOIXQFWLRQWKH ODWHVW 9 7 7 8 8 8 7 F\FOHEHIRUH &RQWHQWVRIPDOIXQFWLRQ &RQWHQWVRIPDOIXQFWLRQ F\FOHEHIRUH &RQWHQWVRIUHWU\WKHODWHVW &RQWHQWVRIUHWU\F\FOHEHIRUH &RQWHQWVRIUHWU\F\FOHEHIRUH 'DWDGLVSOD\ 6HHEHORZ /RZHUGLJLWV 0DOIXQFWLRQ FRGHWDEOH 8 7 7 8 8 8 8 8 8 8 8 7 7 7 7 8 8 8 8 7 7 7 7 7 8 8 8 7 7 7 8 7 7 8 7 7 7 7 8 9 7 7 7 7 7 7 7 7 7 7 8 9 7 6HWWLQJLWHP'LVSOD\FRQWHQWVRI³9DULRXVVHWWLQJV´ 'HIURVWVHOHFWVHWWLQJ 6KRUW 0HGLXP <Confirmation on setting contents> /RQJ Push the RETURN button (BS3) to display different data of set items. 7HVHWWLQJ + 0 / 7FVHWWLQJ + 0 / 9 9 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 9 7 7 7 7 7 7 7 Push the RETURN button (BS3) and switches to the initial status of “Monitor mode”. ∗ Push the MODE button (BS1) and returns to “Setting mode 1”. (V2765) 3XVKWKH6(7EXWWRQDQGPDWFKZLWKWKH/('V1RSXVKWKH5(7851EXWWRQDQG HQWHUWKHGDWDIRUHDFKVHWWLQJ ★'DWDVXFKDVDGGUHVVHVDQGQXPEHURIXQLWVLVH[SUHVVHGDVELQDU\QXPEHUVWKHWZR ZD\VRIH[SUHVVLQJDUHDVIROORZV 9 797997 16 32 Test Operation 4 8 7KH1RFRROKHDWXQLILHGDGGUHVVLVH[SUHVVHGDVDELQDU\ QXPEHUFRQVLVWLQJRIWKHORZHUGLJLWV 1 2 ,QcWKHDGGUHVVLVELQDU\QXPEHUZKLFKWUDQVODWHVWR EDVHQXPEHU,QRWKHUZRUGVWKHDGGUHVVLV 75 )LHOG6HWWLQJ 6L86 'HWDLORI6HWWLQJ0RGH &RRO+HDW0RGH6ZLWFKLQJ 7KHUHDUHWKHIROORZLQJFRROKHDWVZLWFKLQJPRGHV c 6HWFRROKHDWVHSDUDWHO\IRUHDFKRXWGRRUXQLWV\VWHPE\LQGRRUXQLWUHPRWHFRQWUROOHU d 6HWFRROKHDWVHSDUDWHO\IRUHDFKRXWGRRUXQLWV\VWHPE\FRROKHDWVZLWFKLQJUHPRWH FRQWUROOHU c6HW&RRO+HDW6HSDUDWHO\IRU(DFK2XWGRRU6\VWHPE\,QGRRU8QLW5HPRWH&RQWUROOHU ,WGRHVQRWPDWWHUZKHWKHURUQRWWKHUHLVRXWGRRURXWGRRUXQLWZLULQJ 6HWRXWGRRUXQLW3&ERDUG'6WR³LQGRRU´IDFWRU\VHW 6HWFRROKHDWVZLWFKLQJWR³LQGLYLGXDO´IRU³6HWWLQJPRGH´IDFWRU\VHW 76 Test Operation 6L86 )LHOG6HWWLQJ d6HW&RRO+HDW6HSDUDWHO\IRU(DFK2XWGRRU8QLW6\VWHPE\&RRO+HDW6ZLWFKLQJ5HPRWH&RQWUROOHU ,WGRHVQRWPDWWHUZKHWKHURUQRWWKHUHLVRXWGRRURXWGRRUXQLWZLULQJ 6HWRXWGRRUXQLW3&ERDUG'6WR³RXWGRRU´IDFWRU\VHW 6HWFRROKHDWVZLWFKLQJWR³LQGLYLGXDO´IRU³6HWWLQJPRGH´IDFWRU\VHW Test Operation 77 )LHOG6HWWLQJ 6L86 6HWWLQJRI/RZ1RLVH2SHUDWLRQDQG'HPDQG2SHUDWLRQ 6HWWLQJRI/RZ1RLVH2SHUDWLRQ %\FRQQHFWLQJWKHH[WHUQDOFRQWDFWLQSXWWRWKHORZQRLVHLQSXWRIWKHRXWGRRUXQLWH[WHUQDO FRQWURODGDSWRURSWLRQDO\RXFDQORZHURSHUDWLQJQRLVHE\G% $ :KHQWKHORZQRLVHRSHUDWLRQLVFDUULHGRXWE\H[WHUQDOLQVWUXFWLRQVZLWKWKHXVH RIWKHH[WHUQDOFRQWURODGDSWRUIRURXWGRRUXQLW 6HW³([WHUQDOORZQRLVH'HPDQG<(612VHWWLQJ´WR³([WHUQDOORZQRLVH'HPDQG<(6´ 6HWE\6HWWLQJ0RGH 6HW³([WHUQDOORZQRLVHOHYHOVHWWLQJ´RQWKHRXWGRRUXQLW3&%DVWKHQHHGDULVHV /RZHUQRLVHRSHUDWLRQFDQEHFDUULHGRXWE\³0RGH´WKDQE\³0RGH´DQGE\³0RGH´ WKDQE\³0RGH´ 6HW³&DSDFLW\SUHFHGHQFHVHWWLQJ´RQWKHRXWGRRUXQLW3&%DVWKHQHHGDULVHV ,IVHWWR³21´ZKHQDLUFRQGLWLRQLQJORDGJHWVKLJKHUWKHORZQRLVHLQVWUXFWLRQVDUH QHJOHFWHGWRVZLWFKWRQRUPDORSHUDWLRQ6HWE\6HWWLQJ0RGH % :KHQWKHORZQRLVHRSHUDWLRQLVFDUULHGRXWDXWRPDWLFDOO\DWQLJKW7KHH[WHUQDO FRQWURODGDSWRUIRURXWGRRUXQLWLVQRWUHTXLUHG 6HW³1LJKWWLPHORZQRLVHVHWWLQJ´RQWKHRXWGRRUXQLW3&%6HWE\6HWWLQJ0RGH /RZHUQRLVHRSHUDWLRQFDQEHFDUULHGRXWE\³0RGH´WKDQE\³0RGH´DQGE\³0RGH´ WKDQE\³0RGH´ 6HW³1LJKWWLPHORZQRLVHVWDUWVHWWLQJ´RQWKHRXWGRRUXQLW3&%DVWKHQHHGDULVHV6HWE\ 6HWWLQJ0RGH 6LQFHWKHWLPHLVSUHVXPHGLQDFFRUGDQFHZLWKWKHRXWGRRUWHPSHUDWXUHWKHVWDUWLQJWLPHLV DWDUJHWRQO\ 6HW³1LJKWWLPHORZQRLVHHQGVHWWLQJ´RQWKHRXWGRRUXQLW3&%DVWKHQHHGDULVHV 6HWE\6HWWLQJ0RGH 6LQFHWKHWLPHLVSUHVXPHGLQDFFRUGDQFHZLWKWKHRXWGRRUWHPSHUDWXUHWKHHQGLQJWLPHLV DWDUJHWRQO\ 6HW³&DSDFLW\SUHFHGHQFHVHWWLQJ´RQWKHRXWGRRUXQLW3&%DVWKHQHHGDULVHV 6HWE\6HWWLQJ0RGH ,IVHWWR³21´ZKHQDLUFRQGLWLRQLQJORDGJHWVKLJKHUWKHVWDWXVLVVZLWFKHGWRQRUPDO RSHUDWLRQHYHQDWQLJKW 78 Test Operation 6L86 )LHOG6HWWLQJ ,PDJHRIRSHUDWLRQLQWKHFDVHRI$ ,PDJHRIRSHUDWLRQLQWKHFDVHRI% ,PDJHRIRSHUDWLRQLQWKHFDVHRI$DQG% Test Operation 79 )LHOG6HWWLQJ 6L86 6HWWLQJRI'HPDQG2SHUDWLRQ %\FRQQHFWLQJWKHH[WHUQDOFRQWDFWLQSXWWRWKHGHPDQGLQSXWRIWKHRXWGRRUXQLWH[WHUQDOFRQWURO DGDSWRURSWLRQDOWKHSRZHUFRQVXPSWLRQRIXQLWRSHUDWLRQFDQEHVDYHGVXSSUHVVLQJWKH FRPSUHVVRURSHUDWLQJFRQGLWLRQ >'HPDQGVHWWLQJ@ 6HWWLQJ 'HPDQGVHWWLQJ 'HPDQGVHWWLQJIDFWRU\VHWWLQJ 'HPDQGVHWWLQJ 6WDQGDUGIRUXSSHUOLPLWRISRZHUFRQVXPSWLRQ $SSUR[ $SSUR[ $SSUR[ >'HPDQGVHWWLQJ@ 6HWWLQJ 'HPDQGVHWWLQJIDFWRU\VHWWLQJ 6WDQGDUGIRUXSSHUOLPLWRISRZHUFRQVXPSWLRQ $SSUR[ ★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est Operation 6L86 )LHOG6HWWLQJ ,PDJHRIRSHUDWLRQLQWKHFDVHRI$ Power consumption Rated power consumption 80 % of rated power consumption 70 % of rated power consumption 60 % of rated power consumption Demand level 1 instructing Demand level 2 instructing Demand level 3 instructing Power consumption set by "Demand 1 level setting". 40 % of rated power consumption Forced thermostat OFF (Fan operation) The power consumption during the demand level 1 instructing can be set with the "Demand 1 level setting". ("70 % of rated power consumption" has been set at factory.) (V3081) ,PDJHRIRSHUDWLRQLQWKHFDVHRI% Power consumption Rated power consumption 80 % of rated power consumption 70 % of rated power consumption 60 % of rated power consumption 40 % of rated power consumption The power consumption set with "Demand 1 level setting". When the "Continuous demand setting" is set to ON ("OFF" has been set at factory.) , the power consumption can be set with the "Demand 1 level setting". ("70 % of rated power consumption" has been set at factory.) Forced thermostat OFF (Fan operation) (V3082) ,PDJHRIRSHUDWLRQLQWKHFDVHRI$DQG% The power consumption can be set with the "Demand 1 level setting". ("70 % of rated power consumption" has been set at factory.) Power consumption Rated power consumption 80 % of rated power consumption 70 % of rated power consumption 60 % of rated power consumption The power consumption set with "Demand 1 level setting". 40 % of rated power consumption Forced thermostat OFF (Fan operation) HDemand level 2 instructing HDemand level 3 instructing HDuring continuous demand operation, when the external demand instruction is received repeatedly, the instruction with higher demand level has the precedence. 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Step 1 Pressure equalizing 10 sec to 10 minutes Step 2 Cooling start control 3933338 3933383 20 sec to 2 minutes Step 3 Stability waiting operation 3933388 10 minutes Step4~6 Step 7 Judgement function • Stop valve close check • Wrong wiring check • Piping length check 3 minutes Pump down residual operation 3933833 3933838 3933883 3933888 To 30 seconds Step 8 Standby for restarting 3938333 5 minutes Completion 3983333 (V3165) Test Operation 85 )LHOG6HWWLQJ 86 6L86 Test Operation 6L86 Part 7 Troubleshooting 7URXEOHVKRRWLQJE\5HPRWH&RQWUROOHU 7KH,163(&7,217(67%XWWRQ 6HOI'LDJQRVLVE\:LUHG5HPRWH&RQWUROOHU 6HOI'LDJQRVLVE\:LUHOHVV5HPRWH&RQWUROOHU 2SHUDWLRQRIWKH5HPRWH&RQWUROOHU¶V,QVSHFWLRQ 7HVW2SHUDWLRQ%XWWRQ 5HPRWH&RQWUROOHU6HUYLFH0RGH /LVWRI0DOIXQFWLRQ&RGH 0DOIXQFWLRQ&RGH,QGLFDWLRQE\2XWGRRU8QLW3&% 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU Troubleshooting ³A0´,QGRRU8QLW(UURURI([WHUQDO3URWHFWLRQ'HYLFH ³A1´,QGRRU8QLW3&%RDUG'HIHFW ³A3´,QGRRU8QLW0DOIXQFWLRQRI'UDLQ/HYHO&RQWURO6\VWHP6/ ³A6´,QGRRU8QLW)DQ0RWRU0)/RFN2YHUORDG ³A7´,QGRRU8QLW0DOIXQFWLRQRI6ZLQJ)ODS0RWRU0$ ³A9´,QGRRU8QLW0DOIXQFWLRQRI0RYLQJ3DUWRI(OHFWURQLF ([SDQVLRQ9DOYH( ³AF´,QGRRU8QLW'UDLQ/HYHODERYH/LPLW ³AJ´,QGRRU8QLW0DOIXQFWLRQRI&DSDFLW\'HWHUPLQDWLRQ'HYLFH ³C4´,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU +HDW([FKDQJHU ³C5´,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU*DV3LSHV ³C9´,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU6XFWLRQ$LU ³CA´,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRUIRU'LVFKDUJH$LU ³CJ´,QGRRU8QLW0DOIXQFWLRQRI7KHUPRVWDW6HQVRULQ 5HPRWH&RQWUROOHU ³E1´2XWGRRU8QLW3&%RDUG'HIHFW ³E3´2XWGRRU8QLW$FWXDWLRQRI+LJK3UHVVXUH6ZLWFK ³E4´2XWGRRU8QLW$FWXDWLRQRI/RZ3UHVVXUH6ZLWFK ³E5´2XWGRRU8QLW&RPSUHVVRU0RWRU/RFN ³E7´2XWGRRU8QLW0DOIXQFWLRQRI2XWGRRU8QLW)DQ0RWRU ³E9´2XWGRRU8QLW0DOIXQFWLRQRI0RYLQJ3DUWRI(OHFWURQLF ([SDQVLRQ9DOYH ³F3´2XWGRRU8QLW$EQRUPDO'LVFKDUJH3LSH7HPSHUDWXUH ³H9´2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU2XWGRRU$LU ³J3´2XWGRRU8QLW0DOIXQFWLRQRI'LVFKDUJH3LSH7KHUPLVWRU57 ³J5´2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU6XFWLRQ3LSH ³J6´2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU2XWGRRU 8QLW+HDW([FKDQJHU ³J9´2XWGRRU8QLW0DOIXQFWLRQRI6XEFRROLQJ+HDW([FKDQJHU *DV3LSH7KHUPLVWRU57 ³JA´2XWGRRU8QLW0DOIXQFWLRQRI+LJK3UHVVXUH6HQVRU 87 6L86 ³JC´2XWGRRU8QLW0DOIXQFWLRQRI/RZ3UHVVXUH6HQVRU ³L4´2XWGRRU8QLW0DOIXQFWLRQRI,QYHUWHU5DGLDWLQJ)LQ 7HPSHUDWXUH5LVH ³L5´2XWGRRU8QLW,QYHUWHU&RPSUHVVRU$EQRUPDO ³L8´2XWGRRU8QLW,QYHUWHU&XUUHQW$EQRUPDO ³L9´2XWGRRU8QLW,QYHUWHU6WDUWXS(UURU ³LC´2XWGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ,QYHUWHU DQG&RQWURO3&%RDUG ³P4´2XWGRRU8QLW0DOIXQFWLRQRI,QYHUWHU5DGLDWLQJ)LQ 7HPSHUDWXUH5LVH6HQVRU ³PJ´2XWGRRU8QLW)DXOW\&RPELQDWLRQRI,QYHUWHUDQG)DQ'ULYHU ³UO´2XWGRRU8QLW/RZ3UHVVXUH'URS'XHWR5HIULJHUDQW 6KRUWDJHRU(OHFWURQLF([SDQVLRQ9DOYH)DLOXUH ³U2´2XWGRRU8QLW3RZHU6XSSO\,QVXIILFLHQWRU ,QVWDQWDQHRXV)DLOXUH ³U3´2XWGRRU8QLW&KHFN2SHUDWLRQQRW([HFXWHG ³U4´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ,QGRRU8QLWVDQG 2XWGRRU8QLWV ³U5´,QGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ5HPRWH &RQWUROOHUDQG,QGRRU8QLW ³U8´,QGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ0DLQDQG 6XE5HPRWH&RQWUROOHUV ³U9´,QGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ,QGRRU 8QLWVDQG2XWGRRU8QLWVLQWKH6DPH6\VWHP ³UA´,PSURSHU&RPELQDWLRQRI,QGRRU8QLWVDQG2XWGRRU8QLWV ,QGRRU8QLWVDQG5HPRWH&RQWUROOHU ³UC´$GGUHVV'XSOLFDWLRQRI&HQWUDO5HPRWH&RQWUROOHU ³UE´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ&HQWUDO5HPRWH &RQWUROOHUDQG,QGRRU8QLW ³UF´6\VWHPQRW6HW\HW ³UH´0DOIXQFWLRQRI6\VWHP5HIULJHUDQW6\VWHP$GGUHVV 8QGHILQHG 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU ³UE´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ&HQWUDO5HPRWH &RQWUROOHUDQG,QGRRU8QLW ³M1´3&%RDUG'HIHFW ³M8´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ2SWLRQDO&RQWUROOHUVIRU &HQWUDOL]HG&RQWURO ³MA´,PSURSHU&RPELQDWLRQRI2SWLRQDO&RQWUROOHUVIRU &HQWUDOL]HG&RQWURO ³MC´$GGUHVV'XSOLFDWLRQ,PSURSHU6HWWLQJ 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 2SHUDWLRQ/DPS%OLQNV 'LVSOD\³8QGHU&HQWUDOL]HG&RQWURO´%OLQNV5HSHDWV6LQJOH%OLQN 'LVSOD\³8QGHU&HQWUDOL]HG&RQWURO´%OLQNV5HSHDWV'RXEOH%OLQN 7URXEOHVKRRWLQJ236FKHGXOH7LPHU ³UE´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ&HQWUDO5HPRWH &RQWUROOHUDQG,QGRRU8QLW ³M1´3&%RDUG'HIHFW 88 Troubleshooting 6L86 ³M8´0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ2SWLRQDO&RQWUROOHUVIRU &HQWUDOL]HG&RQWURO ³MA´,PSURSHU&RPELQDWLRQRI2SWLRQDO&RQWUROOHUVIRU &HQWUDOL]HG&RQWURO ³MC´$GGUHVV'XSOLFDWLRQ,PSURSHU6HWWLQJ &KHFN Troubleshooting 89 7URXEOHVKRRWLQJE\5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJE\5HPRWH&RQWUROOHU 7KH,163(&7,217(67%XWWRQ 7KHIROORZLQJPRGHVFDQEHVHOHFWHGE\XVLQJWKH Indoor unit settings can be made • Filter sign time • Air flow direction • Others Depress button for more than 4 seconds. Local setting mode Service mode Depress button for more than 4 seconds. Press EXWWRQRQWKHUHPRWHFRQWURO Service data can be obtained. • Malfunciton code history • Temperature data of various sections Service settings can be made. • Forced fan ON • Air flow direction/volume setting button once. Normal mode Press Press button once. Or after 30 minutes button once. After 10 seconds You can confirm following three codes with respect to each push of the button. • Malfunction codes • Indoor model code • Outdoor model code Inspection mode Press Test operation mode The thermostat is turned on by force when the "trial-operation mode" is started (the remote controller displays "trial-operation"). button once. 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Push the button. F Indoor unit model code display Inspection/test operation Push the button. ––– A8A Display Example model 071 FXFQ24 Indoor unit system code Display 071 FFM Example of capacity code display 0 7 1... Capacity code F... Indoor unit system code F... Indoor unit type code M... Progression code Product classification System classification VRV system Standard indoor Indoor unit type code Display Model Type A Wall mounted FXAQ F Multi flow FXFQ H Ceiling suspended FXHQ J Built-in FXSQ L Floor standing FXLQ P Concealed ceiling duct FXMQ L Concealed floor standing type FXNQ Outdoor unit model code display Inspection/test operation Push the button. Outdoor model code Test operation Test operation mode Inspection/test operation Display A8A Type VRV Model RXYMQ-M Push the button. (V3181) 94 Troubleshooting 6L86 7URXEOHVKRRWLQJE\5HPRWH&RQWUROOHU 5HPRWH&RQWUROOHU6HUYLFH0RGH <RXFDQWDNH³VHUYLFHGDWD´DQGPDNHD³VHUYLFHVHWWLQJ´LQWKHVHUYLFHPRGHZLWKRSHUDWLQJWKH EXWWRQRQWKHUHPRWHFRQWUROOHU +RZWR(QWHUWKH 6HUYLFH0RGH 6HUYLFH0RGH 2SHUDWLRQ 0HWKRG Troubleshooting 6HOHFWWKHPRGH1R 6HWWKHGHVLUHGPRGH1RZLWKWKH EXWWRQ )RUZLUHOHVVUHPRWHFRQWUROOHU0RGHRQO\FDQEHVHW 6HOHFWWKHXQLW1R)RUJURXSFRQWURORQO\ 6HOHFWWKHLQGRRUXQLW1RWREHVHWZLWKWKHWLPHPRGH )RUZLUHOHVVUHPRWHFRQWUROOHU EXWWRQ 0DNHWKHVHWWLQJVUHTXLUHGIRUHDFKPRGH ,QFDVHRI0RGHSXVK EXWWRQWREHDEOHWRFKDQJHVHWWLQJEHIRUHVHWWLQJZRUN /&'³FRGH´EOLQNV )RUGHWDLOVUHIHUWRWKHWDEOHLQQH[WSDJH 'HILQHWKHVHWWLQJFRQWHQWV0RGHV 'HILQHE\SXVKLQJWKHWLPHU EXWWRQ $IWHUGHILQLQJ/&'³FRGH´FKDQJHVEOLQNLQJWR21 5HWXUQWRWKHQRUPDORSHUDWLRQPRGH 3XVKWKH EXWWRQRQHWLPH 95 7URXEOHVKRRWLQJE\5HPRWH&RQWUROOHU 0RGH 1R 40 )XQFWLRQ 0DOIXQFWLRQ K\VWHUHVLVGLVSOD\ 6L86 &RQWHQWVDQGRSHUDWLRQPHWKRG 5HPRWHFRQWUROOHUGLVSOD\H[DPSOH 'LVSOD\PDOIXQFWLRQK\VWHUHVLV 7KHKLVWRU\1RFDQEHFKDQJHGZLWKWKH EXWWRQ Unit 1 Malfunction code 2-U4 40 Malfunction code Hystory No: 1 - 9 1: Latest (VE007) 41 'LVSOD\RIVHQVRU DQGDGGUHVVGDWD 'LVSOD\YDULRXVW\SHVRIGDWD 6HOHFWWKHGDWDWREHGLVSOD\HGZLWKWKH EXWWRQ Sensor data display Unit No. 6HQVRUGDWD 7KHUPRVWDWVHQVRULQUHPRWHFRQWUROOHU 6XFWLRQ /LTXLGSLSH *DVSLSH $GGUHVVGDWD ,QGRRUXQLWDGGUHVV 2XWGRRUXQLWDGGUHVV %6XQLWDGGUHVV =RQHFRQWURODGGUHVV &RROKHDWJURXSDGGUHVV 'HPDQGORZQRLVHDGGUHVV Sensor type 1 1 41 27 Temperature ºC Address display Unit No. Address type 1 8 Address (VE008) 43 )RUFHGIDQ21 0DQXDOO\WXUQWKHIDQ21E\HDFKXQLW:KHQ \RXZDQWWRVHDUFKIRUWKHXQLW1R %\VHOHFWLQJWKHXQLW1RZLWKWKH EXWWRQ \RXFDQWXUQWKHIDQRIHDFKLQGRRUXQLWRQ IRUFHG21LQGLYLGXDOO\ 41 1 Unit 1 43 (VE009) 44 ,QGLYLGXDOVHWWLQJ 6HWWKHIDQVSHHGDQGDLUIORZGLUHFWLRQE\HDFK XQLW 6HOHFWWKHXQLW1RZLWKWKHWLPHPRGH EXWWRQ 6HWWKHIDQVSHHGZLWKWKH EXWWRQ 6HWWKHDLUIORZGLUHFWLRQZLWKWKH EXWWRQ Unit 1 Code 44 1 3 Fan speed 1: Low 3: High Air flow direction P0 - P4 (VE010) 45 8QLW1RWUDQVIHU 7UDQVIHUXQLW1R 6HOHFWWKHXQLW1RZLWKWKH EXWWRQ 6HWWKHXQLW1RDIWHUWUDQVIHUZLWKWKH EXWWRQ Present unit No. Unit 1 Code 0 2 45 Unit No. after transfer (VE011) 96 Troubleshooting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roubleshooting 97 /LVWRI0DOIXQFWLRQ&RGH 6L86 0DOIXQFWLRQ 2SHUDWLRQ ,QVSHFWLRQ FRGH ODPS GLVSOD\ 2XWGRRU ( 9 9 8QLW ( 9 9 ( 9 9 ( 9 9 ( 9 9 ( 9 9 ( 9 9 8QLW1R 9 9 9 9 9 9 9 ) ) + + + + 9 9 8 9 9 9 9 9 7 9 9 9 9 9 9 9 9 9 - - 9 9 9 9 9 9 - 9 9 9 - 9 9 9 - 9 9 9 -$ -& / / / / / / /$ /& 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 3 3 9 9 9 9 9 9 3- 9 9 9 82172))9%OLQN 0DOIXQFWLRQFRQWHQWV 3DJH 5HIHUUHG 3&ERDUGGHIHFW(3520GHIHFW $FWXDWLRQRIKLJKSUHVVXUHVZLWFK $FWXDWLRQRIORZSUHVVXUHVZLWFK &RPSUHVVRUPRWRUORFN 6WDQGDUGFRPSUHVVRUORFNRURYHUFXUUHQW ² 0DOIXQFWLRQRIRXWGRRUXQLWIDQPRWRU 0DOIXQFWLRQRIPRYLQJSDUWRIHOHFWURQLFH[SDQVLRQ YDOYH<(a( $EQRUPDOGLVFKDUJHSLSHWHPSHUDWXUH 5HIULJHUDQWRYHUFKDUJHG ² 0DOIXQFWLRQRI+LJKSUHVVXUHVZLWFK ² $FWXDWLRQRI/RZSUHVVXUHVZLWFK ² $EQRUPDORXWGRRUIDQPRWRUVLJQDO ² 0DOIXQFWLRQRIWKHUPLVWRU57IRURXWGRRUDLUORRVH FRQQHFWLRQGLVFRQQHFWLRQVKRUWFLUFXLWIDLOXUH &XUUHQWVHQVRUPDOIXQFWLRQ ² 0DOIXQFWLRQRIGLVFKDUJHSLSHWKHUPLVWRU57ORRVH FRQQHFWLRQGLVFRQQHFWLRQVKRUWFLUFXLWIDLOXUH 0DOIXQFWLRQRIWKHUPLVWRU57IRUVXFWLRQSLSH ORRVHFRQQHFWLRQGLVFRQQHFWLRQVKRUWFLUFXLW IDLOXUH 0DOIXQFWLRQRIWKHUPLVWRU57IRUKHDWH[FKDQJHU ORRVHFRQQHFWLRQGLVFRQQHFWLRQVKRUWFLUFXLW IDLOXUH 0DOIXQFWLRQRIVXEFRROLQJKHDWH[FKDQJHUJDVSLSH WKHUPLVWRU57 0DOIXQFWLRQRIKLJKSUHVVXUHVHQVRU 0DOIXQFWLRQRIORZSUHVVXUHVHQVRU ,QYHUWHUV\VWHPHUURU ² 0DOIXQFWLRQRILQYHUWHUUDGLDWLQJILQWHPSHUDWXUHULVH ,QYHUWHUFRPSUHVVRUDEQRUPDO &RPSUHVVRUPRWRUFRLOJURXQGLQJRQVKRUWFLUFXLW ² ,QYHUWHUFXUUHQWDEQRUPDO ,QYHUWHUVWDUWXSHUURU 0DOIXQFWLRQRISRZHUXQLW ² 0DOIXQFWLRQRIWUDQVPLVVLRQEHWZHHQLQYHUWHUDQG FRQWURO3&ERDUG ,QYHUWHURYHUULSSOHSURWHFWLRQ ² 0DOIXQFWLRQRILQYHUWHUUDGLDWLQJILQWHPSHUDWXUHULVH VHQVRU )DXOW\FRPELQDWLRQRILQYHUWHUDQGIDQGULYHU 7KHV\VWHPRSHUDWHVIRUPDOIXQFWLRQFRGHVLQGLFDWHGLQEODFNVTXDUHVKRZHYHUEHVXUHWRFKHFNDQGUHSDLU 98 Troubleshooting 6L86 /LVWRI0DOIXQFWLRQ&RGH 0DOIXQFWLRQ 2SHUDWLRQ ,QVSHFWLRQ FRGH ODPS GLVSOD\ 6\VWHP 8 8 7 &HQWUDO UHPRWH &RQWUROOHU DQG 6FKHGXOH 7LPHU 8QLW1R 9 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 8 9 9 9 8 7 8 7 8 8 9 9 9 9 9 7 8 9 9 9 8$ 9 9 9 8& 8( 8 9 8 9 8 9 8) 9 9 9 8+ 9 9 9 8( 9 9 9 0 0 8RU7 8RU7 9 9 9 9 0$ 8RU7 9 9 0& 8RU7 9 9 82172))9%OLQN 0DOIXQFWLRQFRQWHQWV 3DJH 5HIHUUHG /RZSUHVVXUHGURSGXHWRUHIULJHUDQWVKRUWDJHRU HOHFWURQLFH[SDQVLRQYDOYHIDLOXUH 5HYHUVHSKDVHRSHQSKDVH ² 3RZHUVXSSO\LQVXIILFLHQWRULQVWDQWDQHRXVIDLOXUH &KHFNRSHUDWLRQQRWH[HFXWHG 0DOIXQFWLRQRIWUDQVPLVVLRQEHWZHHQLQGRRUXQLWVDQG RXWGRRUXQLWV 0DOIXQFWLRQRIWUDQVPLVVLRQEHWZHHQUHPRWH FRQWUROOHUDQGLQGRRUXQLW )DLOXUHRIUHPRWHFRQWUROOHU3&ERDUGRUVHWWLQJ ² GXULQJFRQWUROE\UHPRWHFRQWUROOHU 0DOIXQFWLRQRIWUDQVPLVVLRQEHWZHHQRXWGRRUXQLWV ²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roubleshooting 99 0DOIXQFWLRQ&RGH,QGLFDWLRQE\2XWGRRU8QLW3&% 6L86 0DOIXQFWLRQ&RGH,QGLFDWLRQE\2XWGRRU8QLW3&% <Monitor mode> Contents of malfunction To enter the monitor mode, push the MODE button (BS1) when in “Setting mode 1”. Malfunction code Abnormal discharge pressure HPS activated E3 Abnormal suction pressure Abnormal Pe E4 Compressor lock Detection of INV compressor lock E5 Over load, over current, Instantaneous over current of DC fan motor E7 abnormal lock of outdoor unit fan motor Detection of DC fan motor lock Malfunction of electronic expansion valve EV1 E9 EV2 <Selection of setting item> Push the SET button (BS2) and set the LED display to a setting item. Faulty sensor of outdoor air temperature Faulty Ta sensor H9 Abnormal discharge pipe temperature Abnormal Td F3 Faulty sensor of discharge pipe temperature Faulty Tdi sensor J3 Faulty sensor of suction pipe temperature Faulty Ts sensor J5 Faulty sensor of heat exchanger temperature Faulty Tb sensor J6 Faulty sensor of subcool heat exchanger temperature Faulty Tsh sensor J9 Faulty sensor of discharge pressure Faulty Pc sensor JA Faulty sensor of suction pressure Faulty Pe sensor JC DC output over current Inverter instantaneous over current L5 Electronic thermal switch Electronic thermal switch 1 L8 Electronic thermal switch 2 <Confirmation of malfunction 1> Out-of-step Speed down after startup Push the RETURN button (BS3) once to display "First digit" of malfunction code. Lightening detection Stall prevention (Limit time) L9 Stall prevention (Current increasing) Stall prevention (Faulty startup) Abnormal wave form in startup Out-of-step <Confirmation of malfunction 2> Push the SET button (BS2) once to display "Second digit" of malfunction code. Detail description on the right. Transmission error between inverter and outdoor unit Inverter transmission error LC Open phase / Power supply imbalance Imbalance of inverter power supply voltage P1 Faulty temperature sensor inside swicth box Faulty thermistor of inverter box P3 Faulty temperature sensor of inverter radiation fin Faulty thermistor of inverter fin P4 Incorrect combination of inverter and fan driver Incorrect combination of inverter and fan driver PJ Gas shortage Gas shortage alarm U0 Abnormal power supply voltage Insufficient inverter voltage U2 Inverter open phase (phase T) Charging error of capacitor in inverter main circuit Abnormal SP-PAM Over voltage Over current/Over voltage (Hard detection) Abnormal latch circuitry No implementation of test-run U3 Transmission error between indoor and outdoor unit I/O transmission error U4 Transmission error of other system Indoor unit system malfunction in other system or U9 other unit of own system <Confirmation of malfunction 3> Push the SET button (BS2) once to display "master or slave1 or slave2" and "malfunction location". Erroneous on-site setting Abnormal connection with excessive number of indoor units UA Conflict of refrigerant type in indoor units Faulty system function Incorrect wiring (Auto address error) UH Transmission error in accessory devices, conflict Malfunction of multi level converter, abnormality in UF in wiring and piping, no setting for system conflict check Push the RETURN button (BS3) and switches to the initial status of “Monitor mode”. ∗ Push the MODE button (BS1) and returns to “Setting mode 1”. 100 (V3167) Troubleshooting 6L86 0DOIXQFWLRQ&RGH,QGLFDWLRQE\2XWGRRU8QLW3&% 82172))9%OLQN Malfunction Confirmation of malfunction 1 code H1P E3 9 H2P H3P Confirmation of malfunction 2 Confirmation of malfunction 3 H4P H5P H6P H7P H1P H4P H5P H6P H7P H1P H4P H5P H6P H7P 7 7 9 9 E7 9 9 9 9 7 7 7 7 7 9 9 9 9 7 7 9 9 7 9 9 E9 9 9 7 7 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 L8 9 9 9 9 9 9 9 9 9 9 9 7 7 7 7 9 9 9 7 9 7 7 7 9 9 7 7 9 9 7 7 9 9 7 9 7 9 7 7 7 9 9 9 9 7 9 7 7 9 7 9 9 9 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 9 7 9 7 7 7 7 7 7 7 7 7 7 7 7 7 9 7 9 7 7 7 9 7 7 7 7 7 7 7 L9 9 9 7 7 9 9 7 7 7 7 9 9 9 9 9 9 9 9 7 7 7 9 7 7 9 7 7 9 9 7 7 7 7 9 7 7 7 9 7 9 9 7 9 7 7 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 U9 9 9 9 7 7 9 7 9 7 9 7 7 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 UA 9 9 7 9 9 7 9 7 7 9 7 7 7 7 UH 9 9 9 9 7 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 E4 E5 H9 F3 J3 9 9 9 7 7 7 9 9 9 7 7 9 7 9 7 9 7 9 9 9 J5 J6 J9 JA JC L5 LC P1 9 9 7 7 7 9 9 7 7 9 P3 P4 PJ U0 U2 U3 U4 UF Malfunction code 1st digit display section H2P H3P Malfunction code 2nd digit display section H2P H3P Master Slave 1 Slave 2 7 7 7 9 9 7 Malfunction location (V3168) Troubleshooting 101 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH &RQWUROOHU “A0”,QGRRU8QLW(UURURI([WHUQDO3URWHFWLRQ'HYLFH 5HPRWH &RQWUROOHU 'LVSOD\ A0 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWRSHQRUVKRUWFLUFXLWEHWZHHQH[WHUQDOLQSXWWHUPLQDOVLQLQGRRUXQLW 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQDQRSHQFLUFXLWRFFXUVEHWZHHQH[WHUQDOLQSXWWHUPLQDOVZLWKWKHUHPRWHFRQWUROOHUVHWWR H[WHUQDO212))WHUPLQDO 6XSSRVHG &DXVHV $FWXDWLRQRIH[WHUQDOSURWHFWLRQGHYLFH ,PSURSHUILHOGVHW 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. External protection device is connected to terminals T1 and T2 of the indoor unit terminal block. YES Actuation of external protection device. NO ON/OFF input from outside (mode No. 12, first code No. 1) has been set to external protection device input (second code No. 03) by remote controller. YES Change the second code No. to "01" or "02" . NO Indoor unit PC board replacement. (V2776) 102 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “A1”,QGRRU8QLW3&%RDUG'HIHFW 5HPRWH &RQWUROOHU 'LVSOD\ A1 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNGDWDIURP(ð3520 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQGDWDFRXOGQRWEHFRUUHFWO\UHFHLYHGIURPWKH(ð3520 (ð35207\SHRIQRQYRODWLOHPHPRU\0DLQWDLQVPHPRU\FRQWHQWVHYHQZKHQWKHSRZHU VXSSO\LVWXUQHGRII 6XSSRVHG &DXVHV 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn power supply OFF, then power ON again. Does the system return to normal? NO YES External factor other than malfunction (for example, noise etc.). Replace the indoor unit PC board. (V2777) Troubleshooting 103 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “A3”,QGRRU8QLW0DOIXQFWLRQRI'UDLQ/HYHO&RQWURO 6\VWHP6/ 5HPRWH &RQWUROOHU 'LVSOD\ A3 $SSOLFDEOH 0RGHOV );)4);64);04);+42SWLRQ);$42SWLRQ 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ %\IORDWVZLWFK2))GHWHFWLRQ 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQULVHRIZDWHUOHYHOLVQRWDFRQGLWLRQDQGWKHIORDWVZLWFKJRHV2)) 6XSSRVHG &DXVHV 104 6L86 a9SRZHUVXSSO\LVQRWSURYLGHG 'HIHFWRIIORDWVZLWFKRUVKRUWFLUFXLWFRQQHFWRU 'HIHFWRIGUDLQSXPS 'UDLQFORJJLQJXSZDUGVORSHHWF 'HIHFWRILQGRRUXQLW3&ERDUG /RRVHFRQQHFWLRQRIFRQQHFWRU Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. NO Is power supply 208~230V provided? Provide 208~230V power supply. YES The float switch is connected to X8A of the indoor unit PC board. NO YES The float switch contact is forming a short circuit (continuity check with X8A disconnected) YES Connect either a short circuit connector or float switch and turn on again. Becomes normal when X8A of the indoor unit PC board is short circuited NO Defect of indoor unit PC board. YES NO The float switch functions normally. YES YES The drain pump is connected to X25A or terminals Y1 and Y2 of the indoor unit PC board. NO YES NO Water builds up in the drain pan. A short circuit connector is connected to X8A. Loose connection of connector. NO Replace float switch. Modify the float switch's connection and turn on again. NO Connect the drain pump and turn on again. YES The drain pump works when the power supply is reset for the indoor unit. YES Check the drain piping for clogging or upward slope, etc. NO The voltage of terminals Y1 and Y2 or X25A is 208~230 V (within 5minutes of resetting the power supply). NO Replace indoor unit PC board. YES Replace the drain pump or check for dirt, etc. (V2778) Troubleshooting 105 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “A6”,QGRRU8QLW)DQ0RWRU0)/RFN2YHUORDG 5HPRWH &RQWUROOHU 'LVSOD\ A6 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWLRQE\IDLOXUHRIVLJQDOIRUGHWHFWLQJQXPEHURIWXUQVWRFRPHIURPWKHIDQPRWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQQXPEHURIWXUQVFDQ¶WEHGHWHFWHGHYHQZKHQRXWSXWYROWDJHWRWKHIDQLVPD[LPXP 6XSSRVHG &DXVHV )DQPRWRUORFN 'LVFRQQHFWHGRUIDXOW\ZLULQJEHWZHHQIDQPRWRUDQG3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the wiring from the fan motor securely connected to connectors on the indoor unit PC board? NO Connect the wiring and turn on again. YES Wiring between the indoor unit PC board and fan motor is disconnected. YES Fix the wiring and turn on again. NO Does the fan motor run? YES Replace the indoor unit PC board. NO Replace the fan motor. (V2779) 106 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “A7”,QGRRU8QLW0DOIXQFWLRQRI6ZLQJ)ODS0RWRU0$ 5HPRWH &RQWUROOHU 'LVSOD\ A7 $SSOLFDEOH 0RGHOV );+4 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 8WLOL]HV212))RIWKHOLPLWVZLWFKZKHQWKHPRWRUWXUQV 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQ212))RIWKHPLFURVZLWFKIRUSRVLWLRQLQJFDQQRWEHUHYHUVHGHYHQWKRXJKWKHVZLQJIODS PRWRULVHQHUJL]HGIRUDVSHFLILHGDPRXQWRIWLPHDERXWVHFRQGV 6XSSRVHG &DXVHV Troubleshooting 'HIHFWRIVZLQJPRWRU 'HIHFWRIFRQQHFWLRQFDEOHSRZHUVXSSO\DQGOLPLWVZLWFK 'HIHFWRIDLUIORZGLUHFWLRQDGMXVWLQJIODSFDP 'HIHFWRILQGRRUXQLW3&ERDUG 107 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is power supply 208~230V provided? NO Provide 208~230V power supply. YES Indoor unit is a model equipped with a swing flap function NO Replace indoor unit PC board. YES The swing motor works when the power supply is turned off and then back on. YES NO The connector is connected to X9A of the indoor unit PC board. NO Connect the connector to X9A and turn on again. YES The limit switch functions normally. NO Replace swing motor. YES After turning the swing-flap ON and then stopping with the remote controller, the voltage of X6A of the indoor NO unit PC board is 208 ~ 230 VAC (60 Hz) when turned on again (within 30 seconds of turning on again). The connecting cable is short-circuited or disconnected. YES Replace the limit switch connecting cable. NO Replace indoor unit PC board. YES The connecting cable has no continuity. YES Replace the power supply connecting cable. NO When the air flow direction flap's cam mechanism is disconnected from the swing motor, operation is normal when turned on again. NO Replace swing motor. YES Take the cam mechanism apart, reassemble and turn on again. (V2780) 108 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “A9”,QGRRU8QLW0DOIXQFWLRQRI0RYLQJ3DUWRI(OHFWURQLF ([SDQVLRQ9DOYH( 5HPRWH &RQWUROOHU 'LVSOD\ A9 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 8VHDPLFURFRPSXWHUWRFKHFNWKHHOHFWURQLFH[SDQVLRQYDOYHIRUFRLOFRQGLWLRQV 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHSLQLQSXWRIWKHHOHFWURQLFH[SDQVLRQYDOYHLVQRWQRUPDOZKLOHLQWKHLQLWLDOL]DWLRQRI WKHPLFURFRPSXWHU 6XSSRVHG &DXVHV 0DOIXQFWLRQRIPRYLQJSDUWRIHOHFWURQLFH[SDQVLRQYDOYH 'HIHFWRILQGRRUXQLW3&ERDUG 'HIHFWRIFRQQHFWLQJFDEOH 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. The electronic expansion valve is connected to X7A of the indoor unit PC board. YES Normal when coil check (∗1) of the moving part of the electronic expansion valve is checked. NO NO After connecting, turn the power supply off and then back on. Replace the moving part of the electronic expansion valve. YES The connecting cable is short-circuited or disconnected. YES Replace the connecting cable. NO If you turn the power supply off and turn on again, and it still does not help, replace the indoor unit PC board. (V2781) Troubleshooting 109 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 ∗&RLOFKHFNPHWKRGIRUWKHPRYLQJSDUWRIWKHHOHFWURQLFH[SDQVLRQYDOYH 'LVFRQQHFWWKHHOHFWURQLFH[SDQVLRQYDOYHIURPWKH3&ERDUGDQGFKHFNWKHFRQWLQXLW\EHWZHHQ WKHFRQQHFWRUSLQV 1RUPDO 3LQ1R :KLWH :KLWH <HOORZ 2UDQJH %OXH 5HG <HOORZ 2UDQJH %OXH 5HG %URZQ î $SSUR[ Ω î î { $SSUR[ Ω î î $SSUR[ Ω î { $SSUR[ Ω î { $SSUR[ Ω î { $SSUR[ Ω î %URZQ &RQWLQXLW\$SSUR[Ω { &RQWLQXLW\$SSUR[Ω î 1RFRQWLQXLW\ 110 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “AF” ,QGRRU8QLW'UDLQ/HYHODERYH/LPLW 5HPRWH &RQWUROOHU 'LVSOD\ AF $SSOLFDEOH 0RGHOV );)4);64);04 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ :DWHUOHDNDJHLVGHWHFWHGEDVHGRQIORDWVZLWFK212))RSHUDWLRQZKLOHWKHFRPSUHVVRULVLQ QRQRSHUDWLRQ 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHIORDWVZLWFKFKDQJHVIURP21WR2))ZKLOHWKHFRPSUHVVRULVLQQRQRSHUDWLRQ 6XSSRVHG &DXVHV +XPLGLILHUXQLWRSWLRQDODFFHVVRU\OHDNLQJ 'HIHFWRIGUDLQSLSHXSZDUGVORSHHWF 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Field drain piping has a defect such as upward sloping. YES Modify the drain piping. NO A humidifier unit (optional accessory) is installed on the indoor unit. YES Check if the humidifier unit is leaking. NO Defect of indoor unit PC board. (V2782) Troubleshooting 111 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “AJ”,QGRRU8QLW0DOIXQFWLRQRI&DSDFLW\'HWHUPLQDWLRQ 'HYLFH 5HPRWH FRQWUROOHUGLVSOD\ AJ $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &DSDFLW\LVGHWHUPLQHGDFFRUGLQJWRUHVLVWDQFHRIWKHFDSDFLW\VHWWLQJDGDSWRUDQGWKHPHPRU\ LQVLGHWKH,&PHPRU\RQWKHLQGRRUXQLW3&ERDUGDQGZKHWKHUWKHYDOXHLVQRUPDORUDEQRUPDO LVGHWHUPLQHG 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 2SHUDWLRQDQG :KHQWKHFDSDFLW\FRGHLVQRWFRQWDLQHGLQWKH3&ERDUG¶VPHPRU\DQGWKHFDSDFLW\VHWWLQJ DGDSWRULVQRWFRQQHFWHG :KHQDFDSDFLW\WKDWGRHVQ¶WH[LVWIRUWKDWXQLWLVVHW 6XSSRVHG &DXVHV <RXKDYHIRUJRWWHQWRLQVWDOOWKHFDSDFLW\VHWWLQJDGDSWRU 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. The indoor unit PC board was replaced with a replacement PC board. NO Replace the indoor unit PC board. YES The indoor unit is a model that requires installation of a capacity setting adaptor when replacing the PC board. NO Replace the indoor unit PC board. YES Install a capacity setting adaptor. (V2783) 112 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “C4”,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU+HDW ([FKDQJHU 5HPRWH &RQWUROOHU 'LVSOD\ C4 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\KHDWH[FKDQJHUWKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHKHDWH[FKDQJHUWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOHWKHXQLWLVUXQQLQJ 6XSSRVHG &DXVHV 'HIHFWRIWKHUPLVWRU57IRUOLTXLGSLSH 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to X12A of the indoor unit PC board. NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor (R2T) from the indoor unit PC board (3.5kΩ~ 360kΩ) NO Replace the thermistor (R2T). YES Replace the indoor unit PC board. (V2784) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 113 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “C5”,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU*DV 3LSHV 5HPRWH &RQWUROOHU 'LVSOD\ C5 $SSOLFDEOH 0RGHOV $OOLQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\JDVSLSHWKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHJDVSLSHWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOHWKHXQLWLVUXQQLQJ 6XSSRVHG &DXVHV 'HIHFWRILQGRRUXQLWWKHUPLVWRU57IRUJDVSLSH 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to X11A of the indoor unit PC board. NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor (R3T) from the indoor unit PC board. (0.6kΩ~ 360kΩ) NO Replace the thermistor (R3T). YES Replace the indoor unit PC board. (V2785) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 114 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “C9”,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU 6XFWLRQ$LU 5HPRWH &RQWUROOHU 'LVSOD\ C9 $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\VXFWLRQDLUWHPSHUDWXUH WKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHVXFWLRQDLUWHPSHUDWXUHWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOHWKHXQLWLV UXQQLQJ 6XSSRVHG &DXVHV 'HIHFWRILQGRRUXQLWWKHUPLVWRU57IRUDLULQOHW 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to X13A of the indoor unit PC board. NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor NO (R1T) from the indoor unit PC board. (7.2kΩ~ 112kΩ) Replace the thermistor (R1T). YES Replace the indoor unit PC board. (V2786) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 115 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “CA”,QGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRUIRU'LVFKDUJH $LU 5HPRWH &RQWUROOHU 'LVSOD\ CA $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\GLVFKDUJHDLUWHPSHUDWXUH WKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHGLVFKDUJHDLUWHPSHUDWXUHWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOHWKHXQLW LVUXQQLQJ 6XSSRVHG &DXVHV 'HIHFWRILQGRRUXQLWWKHUPLVWRUIRUDLURXWOHW 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to the indoor unit PC board. NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor NO from the indoor unit PC board. (7.2kΩ~ 112kΩ) Replace the thermistor. YES Replace the indoor unit PC board. (V2786) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 116 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “CJ”,QGRRU8QLW0DOIXQFWLRQRI7KHUPRVWDW6HQVRULQ 5HPRWH&RQWUROOHU 5HPRWH &RQWUROOHU 'LVSOD\ CJ $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQGHWHFWLRQLVFDUULHGRXWE\WHPSHUDWXUHGHWHFWHGE\UHPRWHFRQWUROOHUDLU WHPSHUDWXUHWKHUPLVWRU1RWH 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHUHPRWHFRQWUROOHUDLUWHPSHUDWXUHWKHUPLVWRUEHFRPHVGLVFRQQHFWHGRUVKRUWHGZKLOH WKHXQLWLVUXQQLQJ 6XSSRVHG &DXVHV 'HIHFWRIUHPRWHFRQWUROOHUWKHUPLVWRU 'HIHFWRIUHPRWHFRQWUROOHU3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn power supply OFF, then power ON again. Is "CJ" displayed on the remote controller? YES Replace remote controller. NO External factor other than equipment malfunction. (for example, noise etc.) (V2787) 1RWH ,QFDVHRIUHPRWHFRQWUROOHUWKHUPLVWRUPDOIXQFWLRQXQLWLVVWLOORSHUDEOHE\VXFWLRQDLUWKHUPLVWRU RQLQGRRUXQLW ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 117 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “E1”2XWGRRU8QLW3&%RDUG'HIHFW 5HPRWH &RQWUROOHU 'LVSOD\ E1 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNGDWDIURP(ð3520 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQGDWDFRXOGQRWEHFRUUHFWO\UHFHLYHGIURPWKH(ð3520 (ð35207\SHRIQRQYRODWLOHPHPRU\0DLQWDLQVPHPRU\FRQWHQWVHYHQZKHQWKHSRZHU VXSSO\LVWXUQHGRII 6XSSRVHG &DXVHV 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn off the power once and turn on again. Return to normal? NO YES External factor other than malfunction (for example, noise etc.). Replace the outdoor unit main PC Board (A1P). (V3064) 118 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “E3”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are the HPS connectors connected to the outdoor main PC Board (A2P)? 1 NO H Connect the connector and operate again. YES Contact S1PH is open. YES Actuation of high pressure switch. 1 H NO Operation is normal when turned on again by remote controller. YES NO There was an instantaneous power failure or a past safety device actuated. Re-check refrigerant system. Replace outdoor unit PC board (A1P). (V3065) ★$FWXDWLRQRIKLJKSUHVVXUHVZLWFK+36 ,VWKHRXWGRRUXQLWKHDWH[FKDQJHUGLUW\" 'HIHFWRIRXWGRRUIDQ ,VWKHUHIULJHUDQWRYHUFKDUJHG" )DXOW\KLJKSUHVVXUHVHQVRU Troubleshooting 119 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “E4”2XWGRRU8QLW$FWXDWLRQRI/RZ3UHVVXUH6ZLWFK 5HPRWH &RQWUROOHU 'LVSOD\ E4 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ $EQRUPDOLW\LVGHWHFWHGE\SUHVVXUHYDOXHZLWKORZSUHVVXUHVHQVRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV (UURULVJHQHUDWHGZKHQWKHORZSUHVVXUHLVGURSSHGXQGHUVSHFLILFSUHVVXUH 6XSSRVHG &DXVHV 120 $EQRUPDOGURSRIORZSUHVVXUH 'HIHFWRIORZSUHVVXUHVHQVRU 'HIHFWRIRXWGRRUXQLW3&ERDUG 6WRSYDOYHLVQRWRSHQHG Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is stop valve opened? NO Open stop valve. YES Is the malfunction due to abnormal drop of low pressure? YES NO Measure the voltage (VL) of X45A pin No. (2) - (3) of outdoor PC board (A1P).∗1 YES Is the relationship between low voltage and VL normal? ∗2 NO Out of gas, refrigerant system clogging, wiring and piping wrong connection, stop valve closed, electronic expantion valve fully close malfunction. Replace the low pressure sensor. Replace outdoor unit PC board A1P. (V2791) ∗9ROWDJHPHDVXUHPHQWSRLQW ∗5HIHUWR³3UHVVXUH6HQVRU´SUHVVXUHYROWDJHFKDUDFWHULVWLFVWDEOHRQ3 Troubleshooting 121 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “E5”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Check the installation conditions. Is the stop valve open? NO Open the stop valve. YES Is the UVWN wiring normal? YES Is high differential pressure starting? (73 psi or more) NO YES Connect correctly. Remedy the cause. NO Check and see whether compressor is short-circuited or ground. YES Replace the compressor. NO Are inverter output voltages the same for 3 phases? NO Replace the inverter PC board (A2P). YES Does low or high pressure vary even instantaneously when restarting compressor? NO YES Replace the compressor. (V2793) 122 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “E7”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roubleshooting 123 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector of fan motor is disconnected. YES Connect the connector. NO Is there any obstacle around the fan? YES Remove the obstacle. NO Can the fan be turned smoothly with hand after disconnect the connector of fan motor? NO Replace the fan motor of outdoor unit. YES Check No. 1 Check on connector of fan motor (Power supply cable) Check No. 2 Check for Fan Speed Pulse Input on Outdoor Unit PC Board. Is the pulse inputted? NO Replace the fan motor of outdoor unit. YES Replace outdoor unit PC board. (V3077) &KHFN1R5HIHUWR3 &KHFN1R5HIHUWR3 124 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “E9”2XWGRRU8QLW0DOIXQFWLRQRI0RYLQJ3DUWRI (OHFWURQLF([SDQVLRQ9DOYH 5HPRWH &RQWUROOHU 'LVSOD\ E9 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNGLVFRQQHFWLRQRIFRQQHFWRU &KHFNFRQWLQXLW\RIH[SDQVLRQYDOYHFRLO 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV (UURULVJHQHUDWHGXQGHUQRFRPPRQSRZHUVXSSO\ZKHQWKHSRZHULVRQ 6XSSRVHG &DXVHV 'HIHFWRIPRYLQJSDUWRIHOHFWURQLFH[SDQVLRQYDOYH 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn power supply off, and turn power supply on again. Return to normal? YES NO Electronic expansion valve is connected to X26A and X28A of outdoor unit PC board (A1P). NO External factor other than malfunction (for example, noise etc.). After connecting, turn the power off and then back on again. YES Normal when coil check (∗1) of the moving part of the electronic expansion valve is checked. NO Replace the moving part of the electronic expansion valve. YES Replace outdoor unit PC board (A1P). (V3067) Troubleshooting 125 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 ∗&RLOFKHFNPHWKRGIRUWKHPRYLQJSDUWRIWKHHOHFWURQLFH[SDQVLRQYDOYH 'LVFRQQHFWWKHHOHFWURQLFH[SDQVLRQYDOYHIURPWKH3&ERDUGDQGFKHFNWKHFRQWLQXLW\EHWZHHQ WKHFRQQHFWRUSLQV 1RUPDO 3LQ1R :KLWH :KLWH <HOORZ 2UDQJH %OXH 5HG <HOORZ 2UDQJH %OXH 5HG %URZQ î $SSUR[ Ω î î { $SSUR[ Ω î î $SSUR[ Ω î { $SSUR[ Ω î { $SSUR[ Ω î { $SSUR[ Ω î %URZQ &RQWLQXLW\$SSUR[Ω { &RQWLQXLW\$SSUR[Ω î 1RFRQWLQXLW\ 126 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “F3”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Discharge pipe temperature is 239˚F or higher. YES NO Are the characteristics of the discharge pipe thermistor normal? (3.5~400KΩ) YES NO Out of gas, compression defect, etc. Defect of the refrigerant system. Replace the discharge pipe thermistor. Replace outdoor unit PC board (A1P). (V3182) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 127 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “H9”2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU 2XWGRRU$LU 5HPRWH &RQWUROOHU 'LVSOD\ H9 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 7KHDEQRUPDOGHWHFWLRQLVEDVHGRQFXUUHQWGHWHFWHGE\FXUUHQWVHQVRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHRXWVLGHDLUWHPSHUDWXUHVHQVRUKDVVKRUWFLUFXLWRURSHQFLUFXLW 6XSSRVHG &DXVHV 'HIHFWRIWKHUPLVWRU57IRURXWGRRUDLU 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to outdoor PC board(A1P). NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor (R1T) from the outdoor unit PC board. (3.5kΩ~ 360kΩ) YES NO Replace the thermistor (R1T). Replace outdoor unit PC board (A1P). (V3070) 7KHDODUPLQGLFDWRULVGLVSOD\HGZKHQWKHIDQRQO\LVEHLQJXVHGDOVR ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 128 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “J3”2XWGRRU8QLW0DOIXQFWLRQRI'LVFKDUJH3LSH 7KHUPLVWRU57 5HPRWH &RQWUROOHU 'LVSOD\ J3 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPWKHWHPSHUDWXUHGHWHFWHGE\GLVFKDUJHSLSHWHPSHUDWXUH WKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQDVKRUWFLUFXLWRUDQRSHQFLUFXLWLQWKHGLVFKDUJHSLSHWHPSHUDWXUHWKHUPLVWRULVGHWHFWHG 6XSSRVHG &DXVHV 'HIHFWRIWKHUPLVWRU57IRURXWGRRUXQLWGLVFKDUJHSLSH 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to outdoor unit PC board (A1P). NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor R3T from the outdoor unit PC board. (3.5kΩ~ 400kΩ) YES NO Replace the thermistor (R3T). Replace outdoor unit PC board (A1P). (V3072) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 129 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “J5” 2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU 6XFWLRQ3LSH 5HPRWH &RQWUROOHU 'LVSOD\ J5 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPWKHWHPSHUDWXUHGHWHFWHGE\WKHVXFWLRQSLSHWHPSHUDWXUH WKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQDVKRUWFLUFXLWRUDQRSHQFLUFXLWLQWKHVXFWLRQSLSHWHPSHUDWXUHWKHUPLVWRULVGHWHFWHG 6XSSRVHG &DXVHV 'HIHFWRIWKHUPLVWRU57IRURXWGRRUXQLWVXFWLRQSLSH 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to outdoor unit PC board. (A1P) NO Connect the thermistor and turn on again. YES Resistance is normal when measured after NO disconnecting the thermistor (R2T) from the outdoor unit PC board. (3.5kΩ ~ 360kΩ) YES Replace the thermistor R2T. Replace outdoor unit PC board (A1P). (V3073) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 130 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “J6”2XWGRRU8QLW0DOIXQFWLRQRI7KHUPLVWRU57IRU 2XWGRRU8QLW+HDW([FKDQJHU 5HPRWH &RQWUROOHU 'LVSOD\ J6 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPWKHWHPSHUDWXUHGHWHFWHGE\WKHKHDWH[FKDQJHUWKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQDVKRUWFLUFXLWRUDQRSHQFLUFXLWLQWKHKHDWH[FKDQJHWKHUPLVWRULVGHWHFWHG 6XSSRVHG &DXVHV 'HIHFWRIWKHUPLVWRU57IRURXWGRRUXQLWKHDWH[FKDQJHU 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Connector is connected to outdoor unit PC board (A1P). NO Connect the thermistor and turn on again. YES Resistance is normal when measured after disconnecting the thermistor R4T from the outdoor unit PC board. (3.5kΩ~ 360kΩ) YES NO Replace the thermistor R4T. Replace outdoor unit PC board (A1P). (V3074) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 131 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “J9” 2XWGRRU8QLW0DOIXQFWLRQRI6XEFRROLQJ+HDW ([FKDQJHU*DV3LSH7KHUPLVWRU57 5HPRWH &RQWUROOHU 'LVSOD\ J9 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGDFFRUGLQJWRWKHWHPSHUDWXUHGHWHFWHGE\VXEFRROLQJKHDWH[FKDQJHU JDVSLSHWKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHVXEFRROLQJKHDWH[FKDQJHUJDVSLSHWKHUPLVWRULVVKRUWFLUFXLWHGRURSHQ 6XSSRVHG &DXVHV )DXOW\VXEFRROLQJKHDWH[FKDQJHUJDVSLSHWKHUPLVWRU57 )DXOW\RXWGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the connector for subcooling heat exchanger gas pipe thermistor connected to outdoor unit PC board (A1P) NO Connect thermistor and turn on again. YES Is the resistance measured after removing the thermistor (R5T) from outdoor unit PC board normal. (3.5 kΩ to 360 kΩ) YES NO Replace the thermistor (R5T). Replace outdoor unit PC board (A1P). (V3075) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 132 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “JA”2XWGRRU8QLW0DOIXQFWLRQRI+LJK3UHVVXUH6HQVRU 5HPRWH &RQWUROOHU 'LVSOD\ JA $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPWKHSUHVVXUHGHWHFWHGE\WKHKLJKSUHVVXUHVHQVRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHKLJKSUHVVXUHVHQVRULVVKRUWFLUFXLWRURSHQFLUFXLW 6XSSRVHG &DXVHV 'HIHFWRIKLJKSUHVVXUHVHQVRU &RQQHFWLRQRIORZSUHVVXUHVHQVRUZLWKZURQJFRQQHFWLRQ 'HIHFWRIRXWGRRUXQLW3&ERDUG Troubleshooting 133 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. The high pressure sensor is connected to X46A of outdoor unit PC board (A1P). NO Connect the high pressure sensor and turn on again. YES The relationship between the ∗1 VH and high pressure is normal (see ∗2) when YES voltage is measured between X46A pins (1) and (3) of outdoor unit PC board (A1P) (see ∗1). NO Replace outdoor unit PC board A1P. Replace the high pressure sensor. (V2806) ∗9ROWDJHPHDVXUHPHQWSRLQW ∗5HIHUWR³3UHVVXUH6HQVRU´SUHVVXUHYROWDJHFKDUDFWHULVWLFVWDEOHRQ3 134 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “JC”2XWGRRU8QLW0DOIXQFWLRQRI/RZ3UHVVXUH6HQVRU 5HPRWH &RQWUROOHU 'LVSOD\ JC $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPSUHVVXUHGHWHFWHGE\ORZSUHVVXUHVHQVRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHORZSUHVVXUHVHQVRULVVKRUWFLUFXLWRURSHQFLUFXLW 6XSSRVHG &DXVHV 'HIHFWRIORZSUHVVXUHVHQVRU &RQQHFWLRQRIKLJKSUHVVXUHVHQVRUZLWKZURQJFRQQHFWLRQ 'HIHFWRIRXWGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. The low pressure sensor is connected to X45A (blue) of outdoor unit PC board (A1P). NO Connect low pressure sensor property and restart system. YES The relationship between the ∗1 VL and low pressure is normal (see ∗2) when voltage is measured between X45A pins (2) and (3) of outdoor unit PC board (A1P) (see ∗1). YES NO Replace outdoor unit PC board A1P. Replace the low pressure sensor. (V2808) ∗9ROWDJHPHDVXUHPHQWSRLQW ∗5HIHUWR³3UHVVXUH6HQVRU´SUHVVXUHYROWDJHFKDUDFWHULVWLFVWDEOHRQ3 Troubleshooting 135 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “L4”2XWGRRU8QLW0DOIXQFWLRQRI,QYHUWHU5DGLDWLQJ)LQ 7HPSHUDWXUH5LVH 5HPRWH &RQWUROOHU 'LVSOD\ L4 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ )LQWHPSHUDWXUHLVGHWHFWHGE\WKHWKHUPLVWRURIWKHUDGLDWLRQILQ 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHWHPSHUDWXUHRIWKHLQYHUWHUUDGLDWLRQILQLQFUHDVHVDERYH) 6XSSRVHG &DXVHV $FWXDWLRQRIILQWKHUPDO$FWXDWHVDERYH) 'HIHFWRILQYHUWHU3&ERDUG 'HIHFWRIILQWKHUPLVWRU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Temperature of the radiator fin rises. Actuates at min. 210˚F YES NO Defect of power unit radiation. • Intake port is clogged • Radiator fin is dirty • Outdoor temperature is high Measure the resistance of the radiator fin thermistor. Resistance check of the radiator fin thermistor Abnormal Replace the thermistor. Normal Is reset possible? NO Replace the inverter PC board YES Reset and operate. (V3183) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 136 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “L5”2XWGRRU8QLW,QYHUWHU&RPSUHVVRU$EQRUPDO 5HPRWH &RQWUROOHU 'LVSOD\ L5 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPFXUUHQWIORZLQJLQWKHSRZHUWUDQVLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQDQH[FHVVLYHFXUUHQWIORZVLQWKHSRZHUWUDQVLVWRU ,QVWDQWDQHRXVRYHUFXUUHQWDOVRFDXVHVDFWLYDWLRQ 6XSSRVHG &DXVHV 'HIHFWRIFRPSUHVVRUFRLOGLVFRQQHFWHGGHIHFWLYHLQVXODWLRQ &RPSUHVVRUVWDUWXSPDOIXQFWLRQPHFKDQLFDOORFN 'HIHFWRILQYHUWHU3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Compressor inspection The compressor's coil is disconnected or the insulation is defective. YES Replace the compressor. NO Disconnect the connection between the compressor and inverter. Make the power transistor check mode setting ON by service mode. Inverter output voltage check Inverter output voltage is not balanced. (Normal if within ±5V Must be measured when frequency is stable. YES Replace the inverter unit. NO There is instantenious power drop. NO YES Correct power supply. Compressor inspection Inspect according to the diagnosis procedure for odd noises, vibration and operating status of the compressor. (V2812) +LJKHUYROWDJHWKDQDFWXDOLVGLVSOD\HGZKHQWKHLQYHUWHURXWSXWYROWDJHLVFKHFNHGE\WHVWHU Troubleshooting 137 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “L8”2XWGRRU8QLW,QYHUWHU&XUUHQW$EQRUPDO 5HPRWH &RQWUROOHU 'LVSOD\ L8 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGE\FXUUHQWIORZLQJLQWKHSRZHUWUDQVLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQRYHUORDGLQWKHFRPSUHVVRULVGHWHFWHG 6XSSRVHG &DXVHV &RPSUHVVRURYHUORDG &RPSUHVVRUFRLOGLVFRQQHFWHG 'HIHFWRILQYHUWHU3&ERDUG 138 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Output current check The secondary current of the inverter is higher than 24.9A for each phase. YES Compressor overload Inspection of the compressor and refrigerant system is required. NO Compressor inspection The compressor's coil is disconnected. YES Replace the compressor. NO Disconnect the the connection between the compressor and inverter. Make the power transistor check mode setting ON by service mode. Inverter output voltage check Inverter output voltage is not balanced (Normal if within ±5V). Must be measured when frequency is stable. NO Replace the inverter PC board. YES After turning on again, "L8" blinks again. YES NO Reset and restart. Compressor inspection Inspect according to the diagnosis procedure for odd noises, vibration and operating status of the compressor. (V3184) Troubleshooting 139 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “L9”2XWGRRU8QLW,QYHUWHU6WDUWXS(UURU 5HPRWH &RQWUROOHU 'LVSOD\ L9 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0DOIXQFWLRQLVGHWHFWHGIURPFXUUHQWIORZLQJLQWKHSRZHUWUDQVLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQRYHUORDGLQWKHFRPSUHVVRULVGHWHFWHGGXULQJVWDUWXS 6XSSRVHG &DXVHV 'HIHFWRIFRPSUHVVRU 3UHVVXUHGLIIHUHQWLDOVWDUW 'HIHFWRILQYHUWHU3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. The difference between high and low pressure when starting is above 29 psi. NO Unsatisfactory pressure equalization Check refrigerant system. YES Disconnect the connection between the compressor and inverter. Make the power transistor check mode ON by service mode. Inverter output voltage check Inverter output voltage is not balanced. (Normal if within ±5V) Must be measured when frequency is stable. NO Replace the inverter PC board YES After turning on again, "L9" blinks again. YES NO Reset and restart. Compressor inspection Inspect according to the diagnosis procedure for odd noises, vibration and operating status of the compressor. (V2814) 140 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “LC”2XWGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ ,QYHUWHUDQG&RQWURO3&%RDUG 5HPRWH &RQWUROOHU 'LVSOD\ LC $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNWKHFRPPXQLFDWLRQVWDWHEHWZHHQLQYHUWHU3&ERDUGDQGFRQWURO3&ERDUGE\PLFUR FRPSXWHU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHFRUUHFWFRPPXQLFDWLRQLVQRWFRQGXFWHGLQFHUWDLQSHULRG 6XSSRVHG &DXVHV Troubleshooting 0DOIXQFWLRQRIFRQQHFWLRQEHWZHHQWKHLQYHUWHU3&ERDUGDQGRXWGRRUFRQWURO3&ERDUG 'HIHFWRIRXWGRRUFRQWURO3&ERDUGWUDQVPLVVLRQVHFWLRQ 'HIHFWRILQYHUWHU3&ERDUG 'HIHFWRIQRLVHILOWHU ([WHUQDOIDFWRU1RLVHHWF 141 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are the connectors between the main PC board (A1P) and inverter PC board (A2P) connected securely? NO Connect transmission wiring and turn on again. YES The transmission wiring between the outdoor unit PC board inverter unit is disconnected. YES Fix the disconnection and turn on again. NO The microcomputer monitor (green) on the inverter PC board is blinking. YES Defect of outdoor main PC board or defect of inverter PC board. NO The voltage between red and white of X1A on the inverter unit is the power supply voltage. NO YES Replace inverter PC board. When the LC malfunction occur again, replace control PC board. Check the noise filter (Z1F) for disconnection, and check the power supply wiring or the inverter PC board. (V3185) 142 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “P4”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Measure the resistance of radiation fin thermistor. Is the resistance of thermistor correct? NO Replace inverter PC board. YES Is the resetting possible? NO Replace inverter PC board. YES After resetting, restart. (V2818) ∗5HIHUWR³7KHUPLVWRU5HVLVWDQFH7HPSHUDWXUH&KDUDFWHULVWLFV´WDEOHRQ3 Troubleshooting 143 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “PJ”2XWGRRU8QLW)DXOW\&RPELQDWLRQRI,QYHUWHUDQG )DQ'ULYHU 5HPRWH &RQWUROOHU 'LVSOD\ PJ $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNWKHFRPPXQLFDWLRQVWDWHEHWZHHQLQYHUWHU3&ERDUGDQGFRQWURO3&ERDUGE\PLFUR FRPSXWHU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHFRPPXQLFDWLRQGDWDDERXWLQYHUWHU3&ERDUGW\SHLVLQFRUUHFW 6XSSRVHG &DXVHV 0LVPDWFKLQJRILQYHUWHU3&ERDUG )DXOW\ILHOGVHWWLQJ 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Was the PC board replaced? NO Replace the PC board. YES Is the PC board type correct? NO Replace PC board by the correct one. YES Is the field setting when the PC board was replaced correct?* NO Correct field setting. YES After resetting, restart. (V3151) ∗5HIHUWR³)LHOG6HWWLQJIURP2XWGRRU8QLW´RQ3 144 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “UO”2XWGRRU8QLW/RZ3UHVVXUH'URS'XHWR5HIULJHUDQW 6KRUWDJHRU(OHFWURQLF([SDQVLRQ9DOYH)DLOXUH 5HPRWH &RQWUROOHU 'LVSOD\ U0 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 6KRUWRIJDVPDOIXQFWLRQLVGHWHFWHGE\GLVFKDUJHSLSHWHPSHUDWXUHWKHUPLVWRU 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 0LFURFRPSXWHUMXGJHDQGGHWHFWLIWKHV\VWHPLVVKRUWRIUHIULJHUDQW ★0DOIXQFWLRQLVQRWGHFLGHGZKLOHWKHXQLWRSHUDWLRQLVFRQWLQXHG 6XSSRVHG &DXVHV 2XWRIJDVRUUHIULJHUDQWV\VWHPFORJJLQJLQFRUUHFWSLSLQJ 'HIHFWRIWKHUPLVWRU57RU57 'HIHFWRISUHVVXUHVHQVRU 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Cooling YES Low pressure is 15 psi or less. NO NO The voltage of X45A pins (2) and (3) on main outdoor unit PC board (A1P) is 0.8 VDC or less. (Low pressure sensor output voltage) The suction pipe temperature minus coil temperature is 68˚F or higher. YES NO YES YES Out of gas, closing of stop valve or refrigerant system is clogged. Replace main outdoor unit PC board (A1P). Replace low pressure sensor. Out of gas or refrigerant system is clogged. Requires check of refrigerant system. NO Resistance is normal when measured with the suction pipe thermistor (R2T) and coil thermistor (R4T) disconnected from the outdoor unit PC board.(3.5kΩ to 360 kΩ) YES NO Replace the thermistor. Replace the outdoor unit PC board (A1P). (V2819) Troubleshooting 145 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “U2”2XWGRRU8QLW3RZHU6XSSO\,QVXIILFLHQWRU ,QVWDQWDQHRXV)DLOXUH 5HPRWH &RQWUROOHU 'LVSOD\ U2 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWLRQRIYROWDJHRIPDLQFLUFXLWFDSDFLWRUEXLOWLQWKHLQYHUWHUDQGSRZHUVXSSO\YROWDJH 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHFDSDFLWRUDERYHRQO\KDVDYROWDJHRI9RUOHVV 6XSSRVHG &DXVHV 146 3RZHUVXSSO\LQVXIILFLHQW ,QVWDQWDQHRXVIDLOXUH 'HIHFWRILQYHUWHU3&ERDUG 'HIHFWRIRXWGRRUFRQWURO3&ERDUG 0DLQFLUFXLWZLULQJGHIHFW Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the voltage of power supply 208~230 V? NO Correct power supply. YES Turn on again. Does the voltage between terminals P and N gradually rise to 283VDC after turning on? NO Replace the inverter PC board. YES The voltage between the P and N terminals is 190VDC or more whenthe compressor is running. NO Replace the inverter PC board. YES Is the power supply voltage applied at LB and NB on the noise filter PC board? YES Replace the inverter PC board. NO Is the power supply voltage at the connector X1A of outdoor PC board side? NO Monitor field power supply. YES Check the transmission wiring between the outdoor unit PC board and inverter unit. (V3186) Troubleshooting 147 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “U3”2XWGRRU8QLW&KHFN2SHUDWLRQQRW([HFXWHG 5HPRWH &RQWUROOHU 'LVSOD\ U3 $SSOLFDEOH 0RGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ &KHFNRSHUDWLRQLVH[HFXWHGRUQRW 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 0DOIXQFWLRQLVGHFLGHGZKHQWKHXQLWVWDUWVRSHUDWLRQZLWKRXWFKHFNRSHUDWLRQ 6XSSRVHG &DXVHV &KHFNRSHUDWLRQLVQRWH[HFXWHG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has the check operation performed on Outdoor unit PC board? YES NO Press the BS4 on PC board on the master outdoor unit for 5 seconds or more to execute check operation. Replace the main PC board on the outdoor unit. (V3052) 148 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “U4”0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ,QGRRU8QLWV DQG2XWGRRU8QLWV 5HPRWH &RQWUROOHU 'LVSOD\ U4 $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0LFURFRPSXWHUFKHFNVLIWUDQVPLVVLRQEHWZHHQLQGRRUDQGRXWGRRUXQLWVLVQRUPDO 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWUDQVPLVVLRQLVQRWFDUULHGRXWQRUPDOO\IRUDFHUWDLQDPRXQWRIWLPH 6XSSRVHG &DXVHV ,QGRRUWRRXWGRRURXWGRRUWRRXWGRRUWUDQVPLVVLRQZLULQJ))GLVFRQQHFWLRQVKRUWFLUFXLW RUZURQJZLULQJ 2XWGRRUXQLWSRZHUVXSSO\LV2)) 6\VWHPDGGUHVVGRHVQ¶WPDWFK 'HIHFWRIRXWGRRUXQLW3&ERDUG 'HIHFWRILQGRRUXQLW3&ERDUG Troubleshooting 149 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has the indoor or outdoor unit PC board been replaced, or has the indoor - outdoor or outdoor - outdoor unit transmission wiring been modified? YES Push and hold the RESET button on the master outdoor unit PC Board for 5 seconds. ∗ The unit will not operate for up to 12 minutes. NO All indoor unit remote controllers of the same refrigerant system display "U4." NO Is indoor - outdoor and outdoor outdoor unit transmission wiring normal? YES Replace the indoor unit PC Board. NO YES Fix the indoor/outdoor or outdoor/outdoor unit transmission wiring. Reset the power supply. Outdoor unit PC board microcomputer monitor (HAP) blinks. NO YES The voltage between terminals L1 and N of the outdoor unit PC board is 208~230 V. Supply 208~230 V. YES The fuse on the outdoor unit's PC board is burnt. NO The secondary voltage of the transformer is about 22~24 V. YES NO NO Operation ready lamp (H2P) is blinking. YES NO Replace the fuse. Replace the transformer. Replace outdoor unit PC board. (A1P) YES Lamp does not go off for 12 minutes or more. YES NO Is indoor - outdoor and outdoor - outdoor unit transmission wiring normal? YES NO Push and hold the RESET button on the outdoor unit PC board for 5 seconds. Fix the indoor/outdoor or outdoor/outdoor unit transmission wiring. Replace the outdoor unit PC Board (A1P). (V3187) 150 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “U5”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Using 2-remote controllers control. YES NO All indoor PC board microcomputer monitors blink. NO YES NO NO Operation returns to normal when the power is turned off momentarily. YES YES Multi-core cable is used for the indoor unit remote controller transmission wiring. SS1 of both remote controllers is set to "MAIN." YES NO Set one remote controller to "SUB"; turn the power supply off once and then back on. Replace indoor unit PC board. There is possibility of malfunction caused by noise. Check the surrounding area and turn on again. Switch to double-core independent cable. replacement Defect of remote controller PC board or indoor unit PC board. Replace whichever is defective. (V2823) Troubleshooting 151 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “U8”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Using 2-remote controllers control. NO YES SS1 of both remote controllers is set to "SUB." YES SS1 of remote controller PC boards is set to "MAIN." NO Set SS1 to "MAIN"; the power supply off once and then back on. YES NO Turn the power off and then back on. If a malfunction occurs, replace the remote controller PC board. Set one remote controller to "MAIN"; the power supply off once and then back on. (V2825) 152 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “U9”,QGRRU8QLW0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ ,QGRRU8QLWVDQG2XWGRRU8QLWVLQWKH6DPH6\VWHP 5HPRWH &RQWUROOHU 'LVSOD\ U9 $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWWKHPDOIXQFWLRQVLJQDORIDQ\RWKHULQGRRUXQLWZLWKLQWKHV\VWHPFRQFHUQHG 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHPDOIXQFWLRQGHFLVLRQLVPDGHRQDQ\RWKHULQGRRUXQLWZLWKLQWKHV\VWHPFRQFHUQHG 6XSSRVHG &DXVHV Troubleshooting 0DOIXQFWLRQRIWUDQVPLVVLRQZLWKLQRURXWVLGHRIRWKHUV\VWHP 0DOIXQFWLRQRIHOHFWURQLFH[SDQVLRQYDOYHLQLQGRRUXQLWRIRWKHUV\VWHP 'HIHFWRI3&ERDUGRILQGRRUXQLWLQRWKHUV\VWHP ,PSURSHUFRQQHFWLRQRIWUDQVPLVVLRQZLULQJEHWZHHQLQGRRUDQGRXWGRRUXQLW 153 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. "U9" has been displayed for 2 minutes or more. NO Re-diagnose by display after passage of 2 minutes or more. YES Turn on all indoor units. The "UA" display blinks on the remote controllers of other units within the same refrigerant system. YES Refer to failure diagnosis for "UA" malfunction code. NO The "A1" display blinks on the remote controllers of other units within the same refrigerant system. YES Refer to failure diagnosis for "A1" malfunction code. NO The "A9" display blinks on the remote controllers of other units within the same refrigerant system. YES Refer to failure diagnosis for "A9" malfunction code. NO The "U4" display blinks on the remote controllers of other units within the same refrigerant system. NO YES Refer to failure diagnosis for "U4" malfunction code. Refer to failure diagnosis for "U5" malfunction code. (V2826) 154 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “UA”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the outdoor PC board replaced to spare parts PC board ? YES The setting after replacing spare PC board has not been set yet. Refer page 70. NO The total of indoor units displaying "UA" and indoor units connected to the NO same refrigerant system is within connectable number of unit∗ There are too many indoor units within the same refrigerant system. YES Push and hold the RESET button on the outdoor unit PC board for 5 seconds. Does a malfunction occur? NO Normal YES Does the refrigerant type of indoor and outdoor unit match? YES NO Matches the refrigerant type of indoor and outdoor unit. Replace outdoor unit PC board (A1P). (V3169) ∗ 7KHQXPEHURILQGRRUXQLWVWKDWFDQEHFRQQHFWHGWRDVLQJOHRXWGRRUXQLWV\VWHPGHSHQGVRQ WKHW\SHRIRXWGRRUXQLW Troubleshooting 155 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “UC”$GGUHVV'XSOLFDWLRQRI&HQWUDO5HPRWH&RQWUROOHU 5HPRWH &RQWUROOHU 'LVSOD\ UC $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV &HQWUDOUHPRWHFRQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 7KHSULQFLSDOLQGRRUXQLWGHWHFWVWKHVDPHDGGUHVVDVWKDWRILWVRZQRQDQ\RWKHULQGRRUXQLW 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 7KHPDOIXQFWLRQGHFLVLRQLVPDGHDVVRRQDVWKHDEQRUPDOLW\DERYHPHQWLRQHGLVGHWHFWHG 6XSSRVHG &DXVHV $GGUHVVGXSOLFDWLRQRIFHQWUDOL]HGUHPRWHFRQWUROOHU 'HIHFWRILQGRRUXQLW3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Optional controllers for centralized control are connected to the indoor unit. NO YES Address duplication of central remote controller The setting must be changed so that the central remote control address is not duplicated. Replace indoor unit PC board. (V2828) 156 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “UE”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roubleshooting 157 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution 6L86 Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has an indoor unit once connected been removed or its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for indoor units displaying malfunction? NO Turn indoor unit's power supply. YES Is transmission wiring disconnected or wired incorrectly? NO Fix the wiring correctly. YES Is transmission with all indoor units malfunctioning? NO YES YES Is the transmission wiring with the master controller disconnected or wired incorrectly? Is the group No. of malfunctioning indoor units set? NO NO Set the group No. correctly. Replace indoor unit PC board. Fix the wiring correctly. YES Is the master controller's connector for setting master controller disconnected? YES NO Connect the connector correctly. Replace the central remote controller. (V2829) 158 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU “UF”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are the stop valves openned? NO Open stop valve. YES Is the check operation carried out? NO YES Is indoor - outdoor and outdoor - outdoor unit transmission wiring normal? YES Is indoor -outdoor and outdooroutdoor unit transmission wiring normal? YES Replace indoor unit PC board. NO NO After fixing incorrect wiring, push and hold the RESET button on the master outdoor unit PC board for 5 seconds. ∗ The unit will not run for up to 12 minutes. Wiring check operation may not have been carried out successfully. (V2830) 1RWH Troubleshooting :LULQJFKHFNRSHUDWLRQPD\QRWEHVXFFHVVIXOLIFDUULHGRXWDIWHUWKHRXWGRRUXQLWKDVEHHQRII IRUPRUHWKDQKRXUVRULILWLVQRWFDUULHGRXWDIWHUUXQQLQJDOOFRQQHFWHGLQGRRUXQLWVLQWKH IDQPRGHIRUDWOHDVWDQKRXU 159 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH5HPRWH&RQWUROOHU 6L86 “UH”0DOIXQFWLRQRI6\VWHP5HIULJHUDQW6\VWHP$GGUHVV 8QGHILQHG 5HPRWH &RQWUROOHU 'LVSOD\ UH $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV $,,RXWGRRUXQLWPRGHOV 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWDQLQGRRUXQLWZLWKQRDGGUHVVVHWWLQJ 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 7KHPDOIXQFWLRQGHFLVLRQLVPDGHDVVRRQDVWKHDEQRUPDOLW\DERYHPHQWLRQHGLVGHWHFWHG 6XSSRVHG &DXVHV ,PSURSHUFRQQHFWLRQRIWUDQVPLVVLRQZLULQJEHWZHHQLQGRRURXWGRRUXQLWVDQGRXWGRRU RXWGRRUXQLWV 'HIHFWRILQGRRUXQLW3&ERDUG 'HIHFWRIRXWGRRUXQLW3&ERDUG$3 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is electricity being introduce for the first time after YES installation or after an indoor or outdo or unit PC board has been replaced? NO Is indoor - outdoor and outdoor - outdoor unit transmission wiring normal? Does a malfunction occur even after 12 minutes elapses from the time when electricity is introduced to indoor and outdoor units? NO Normal YES NO YES After fixing incorrect wiring, push and hold the RESET button on the master outdoor unit PC board for 5 seconds. ∗ The unit will not run for up to 12 minutes. Push and hold the RESET button on the outdoor unit PC board for 5 seconds Does a malfunction occur? NO Normal YES Does a "UH" malfunction occur for all indoor units in the system? YES NO Replace indoor unit PC board. Replace outdoor unit PC board (A1P). (V2831) 160 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO 5HPRWH&RQWUROOHU “UE”0DOIXQFWLRQRI7UDQVPLVVLRQEHWZHHQ&HQWUDO 5HPRWH&RQWUROOHUDQG,QGRRU8QLW 5HPRWH&RQWUROOHU 'LVSOD\ UE $SSOLFDEOH 0RGHOV $,,LQGRRUXQLWPRGHOV &HQWUDO5HPRWH&RQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 0LFURFRPSXWHUFKHFNVLIWUDQVPLVVLRQEHWZHHQLQGRRUXQLWDQGFHQWUDOUHPRWHFRQWUROOHULV QRUPDO 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWUDQVPLVVLRQLVQRWFDUULHGRXWQRUPDOO\IRUDFHUWDLQDPRXQWRIWLPH 6XSSRVHG &DXVHV Troubleshooting 0DOIXQFWLRQRIWUDQVPLVVLRQEHWZHHQFHQWUDOUHPRWHFRQWUROOHUDQGLQGRRUXQLW &RQQHFWRUIRUVHWWLQJPDVWHUFRQWUROOHULVGLVFRQQHFWHG )DLOXUHRI3&ERDUGIRUFHQWUDOUHPRWHFRQWUROOHU 'HIHFWRILQGRRUXQLW3&ERDUG 161 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU 7URXEOHVKRRWLQJ Caution 6L86 Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has an indoor unit once connected been remove or its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for indoor units displaying malfunction? NO YES Is transmission wiring disconnected or wired incorrectly? NO Turn indoor unit's power supply. Fix the wiring correctly. YES Is transmission with all indoor units malfunctioning? NO YES YES Is the transmission wiring with the master controller disconnected or wired incorrectly? Is the group No. of malfunctioning indoor units set? NO NO Set the group No. correctly. Replace indoor unit PC board. Fix the wiring correctly. YES Is the master controller's connector for setting master controller disconnected? YES NO Connect the connector correctly. Replace the central PC board. (V2832) 162 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU “M1”3&%RDUG'HIHFW 5HPRWH &RQWUROOHU 'LVSOD\ M1 $SSOLFDEOH 0RGHOV &HQWUDOUHPRWHFRQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWDQDEQRUPDOLW\LQWKH',,,1(7SRODULW\FLUFXLW 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQSRODULW\DQGSRODULW\DUHGHWHFWHGDWWKHVDPHWLPH 6XSSRVHG &DXVHV 'HIHFWRIFHQWUDOUHPRWHFRQWUROOHU3&ERDUG 7URXEOHVKRRWLQJ 5HSODFHWKHFHQWUDOUHPRWHFRQWUROOHU Troubleshooting 163 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU 6L86 “M8”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has a once connected optional controller for centralized control been disconnected or its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for all optional controllers for centralized control? NO Turn on power supply for all optional controllers for centralized control. YES Is the reset switch of all optional controllers for centralized control set to ''normal?'' NO Set reset switch to "normal." YES Is transmission wiring disconnected or wired incorrectly? NO YES Fix the wiring correctly. The PC board of one of the optional controllers for centralized control is defective. Try turning on/off using each optional controllers for centralized control, and replace the PC board of the one that is unable to control the indoor unit. (V2833) 164 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU “MA”,PSURSHU&RPELQDWLRQRI2SWLRQDO&RQWUROOHUVIRU &HQWUDOL]HG&RQWURO 5HPRWH &RQWUROOHU 'LVSOD\ MA $SSOLFDEOH 0RGHOV &HQWUDOUHPRWHFRQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWWKHPDOIXQFWLRQDFFRUGLQJWR',,,1(7WUDQVPLVVLRQGDWD 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWKHVFKHGXOHWLPHULVVHWWRLQGLYLGXDOXVHPRGHRWKHUFHQWUDOFRPSRQHQWLVSUHVHQW :KHQPXOWLSOHPDVWHUFRQWUROOHUDUHSUHVHQW :KHQWKHUHPRWHFRQWURODGDSWHULVSUHVHQW 6XSSRVHG &DXVHV ,PSURSHUFRPELQDWLRQRIRSWLRQDOFRQWUROOHUVIRUFHQWUDOL]HGFRQWURO 0RUHWKDQRQHPDVWHUFRQWUROOHULVFRQQHFWHG 'HIHFWRI3&ERDUGRIRSWLRQDOFRQWUROOHUIRUFHQWUDOL]HGFRQWURO Troubleshooting 165 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the wiring adaptor for electrical appendices connected? Cannot be used in combination with a wiring adaptor for electrical appendices. Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously. YES NO Is a schedule timer connected? YES NO Is a parallel interface connected? NO Is the schedule timer's individual/combined connector connected? Schedule timer and parallel YES interface cannot be used in combination. Disconnect either the schedule timer or parallel interface and reset the power supply for all optional controllers for centralized control simultaneously. YES Disconnect the schedule timer's individual / combined connector and reset the power supply for all optional controllers for centralized control simultaneously. NO Are there two or more optional controllers for centralized control connected with the connector for setting master controller? YES NO Reset the power supply for all optional controllers for centralized control simultaneously. If the malfunction is still not cleared: Arrange so that the connector for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously. Disconnect the connector for setting master controller from the master controller, connect to another optional controller for centralized control and simultaneously reset all optional controllers for centralized control again. The controller connected by the connector for setting master controller when the malfunction is cleared is defective and must be replaced. (V2834) 166 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH&HQWUDO5HPRWH&RQWUROOHU “MC”$GGUHVV'XSOLFDWLRQ,PSURSHU6HWWLQJ 5HPRWH &RQWUROOHU 'LVSOD\ MC $SSOLFDEOH 0RGHOV &HQWUDOUHPRWHFRQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWWKHPDOIXQFWLRQDFFRUGLQJWR',,,1(7WUDQVPLVVLRQGDWD 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV 7ZRXQLWVDUHERWKVHWWRPDVWHUFRQWUROOHUPRGHRUVODYHFRQWUROOHUPRGH 6XSSRVHG &DXVHV $GGUHVVGXSOLFDWLRQRIFHQWUDOUHPRWHFRQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are two or more central remote controllers connected? NO YES If the two units are both set to master controller mode or sub control mode, set either of the units to master controller mode and then rest the power supply of the central remote controller. Reset power supply of the central remote controller. (V2835) Troubleshooting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roubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is a malfunction code displayed on the remote controller? YES Diagnose the cause with the air conditioner's failure diagnosis manual. NO Has a once connected indoor unit been removed or its address changed? YES Reset power supply for all optional controllers for centralized control simultaneously. NO Is the power supply for the indoor unit displaying a malfunction turned on? YES Is transmission wiring disconnected or wired incorrectly? NO Is transmission with all indoor units malfunctioning? NO YES NO YES Is the transmission wiring with the master controller disconnected or wired incorrectly? Turn the power supply of the indoor unit on. Fix the wiring correctly. Is the group No. of malfunctioning indoor units set? YES NO Set the group No. correctly. Replace indoor unit PC board. NO Fix the wiring correctly. YES Is the master controller's connector for setting master controller disconnected. YES Connect the connector correctly. NO Replace the central PC board. (V2841) Troubleshooting 169 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 6L86 'LVSOD\³8QGHU&HQWUDOL]HG&RQWURO´%OLQNV5HSHDWV 6LQJOH%OLQN 5HPRWH &RQWUROOHU 'LVSOD\ ³XQGHUFHQWUDOL]HGFRQWURO´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roubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 7URXEOHVKRRWLQJ Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Caution Has a once connected optional controller for centralized control been disconnected or itsaddress changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for all optional controllers for centralized control? YES Is the reset switch of all optional controllers for centralized control set to "normal"? NO Turn on power supply for all optional controllers for centralized control. NO Set reset switch to "normal." YES Is transmission wiring disconnected or wired incorrectly? YES NO Is a central remote controller or schedule timer connected? YES NO Are two or more unified ON / OFF controllers connected? NO Fix the wiring correctly. Is the central remote controller or schedule timer displaying a malfunction? Troubleshooting Refer to failure diagnosis for central remote controller or schedule timer. NO YES Is the setting of the unified ON / OFF controller's switch for setting each address duplicated? YES 2A YES NO Correct the setting of the unified ON / OFF controller's switch for setting each address and reset the power supply of the unified ON / OFF controller. (V2842) 171 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 6L86 2A Is the wiring adaptor for electrical appendices connected? YES Cannot be used in combination with a wiring adaptor for electrical appendices. Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously. NO Is a schedule timer connected? YES NO Is a parallel interface connected? YES NO Is the schedule timer's individual/combined connector connected? NO Are there two or more optional controllers for centralized control connected with the connector for setting master controller? YES NO Reset the power supply for all optional controllers for centralized control simultaneously. If the malfunction is still not cleared: YES Schedule timer and parallel interface cannot be used in combination. Disconnect either the schedule timer or parallel interface and reset the power supply for all optional controllers for centralized control simultaneously. Disconnect the schedule timer's individual / combined connector and reset the power supply for all optional controllers for centralized control simultaneously. Arrange so that the connector for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously. Disconnect the connector for setting master controller from the master controller, connect to another optional controller for centralized control and simultaneously reset all optional controllers for centralized control again. The controller connected by the connector for setting master controller when the malfunction is cleared is defective and must be replaced. (V2843) 172 Troubleshooting 6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU 'LVSOD\³8QGHU&HQWUDOL]HG&RQWURO´%OLQNV5HSHDWV 'RXEOH%OLQN 5HPRWH &RQWUROOHU 'LVSOD\ ³XQGHUFHQWUDOL]HGFRQWURO´5HSHDWVGRXEOHEOLQN $SSOLFDEOH 0RGHOV 8QLILHG212))FRQWUROOHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWWKHPDOIXQFWLRQDFFRUGLQJWR',,,1(7WUDQVPLVVLRQGDWD 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQQRFHQWUDOFRQWURODGGUHVVHVDUHVHWWRLQGRRUXQLWV :KHQQRLQGRRUXQLWVDUHFRQQHFWHGZLWKLQWKHFRQWUROUDQJH 6XSSRVHG &DXVHV &HQWUDOFRQWURODGGUHVVJURXS1RLVQRWVHWIRULQGRRUXQLW ,PSURSHUFRQWUROUDQJHVHWWLQJVZLWFK ,PSURSHUZLULQJRIWUDQVPLVVLRQZLULQJ 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the central control address (group No.) set for the indoor unit? NO YES Is the control range setting switch set correctly? NO YES Is the transmission wiring disconnected or wired incorrectly? YES Set by remote controller the central control address for all indoor units connected to the central control line. Set the control range setting switch correctly and simultaneously reset the power supply for all optional controllers for centralized control. Fix the wiring correctly. NO Replace the PC board of the unified ON/OFF controller. (V2844) Troubleshooting 173 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 6L86 7URXEOHVKRRWLQJ236FKHGXOH7LPHU “UE”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roubleshooting 6L86 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has an indoor unit once connected been removeor its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for indoor units displaying malfunction? NO Turn indoor unit's power supply. YES Is transmission wiring disconnected or wired incorrectly? YES Fix the wiring correctly. NO Is transmission with all indoor units malfunctioning? NO YES YES Is the transmission wiring with the master controller disconnected or wired incorrectly? Is the group No. of malfunctioning indoor units set? YES NO Set the group No. correctly. Replace indoor unit PC board. Fix the wiring correctly. NO Is the master controller's connector for setting master controller disconnected? NO YES Connect the connector correctly. Replace the central PC board. (V2836) Troubleshooting 175 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 6L86 “M1”3&%RDUG'HIHFW 5HPRWH &RQWUROOHU 'LVSOD\ M1 $SSOLFDEOH 0RGHOV 6FKHGXOHWLPHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWDQDEQRUPDOLW\LQWKH',,,1(7SRODULW\FLUFXLW 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQSRODULW\DQGSRODULW\DUHGHWHFWHGDWWKHVDPHWLPH 6XSSRVHG &DXVHV 'HIHFWRIVFKHGXOHWLPHU3&ERDUG 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Reset power supply. Does the system return to normal? NO YES External factor other than equipment malfunction (noise etc.) Replace the schedule timer. (V2837) 176 Troubleshooting 6L86 7URXEOHVKRRWLQJ236FKHGXOH7LPHU “M8”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aution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has a once connected optional controller for centralized control been disconnected or its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for all optional controllers for centralized control? NO Turn on power supply for all optional controllers for centralized control. YES Is the reset switch of all optional controllers for centralized control set to "normal" ? NO Set reset switch to "normal." YES Is transmission wiring disconnected or wired incorrectly? YES NO Fix the wiring correctly. The PC board of one of the optional controllers for centralized control is defective. Try turning on/off using each optional controllers for centralized control, and replace the PC board of the one that is unable to control the indoor unit. (V2838) Troubleshooting 177 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 6L86 “MA”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roubleshooting 6L86 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the wiring adaptor for electrical appendices connected? Cannot be used in combination with a wiring adaptor for electrical appendices. Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously. YES NO Is the schedule timer connected? YES NO Is a parallel interface connected? YES NO Is the schedule timer's individual/combined connector connected? YES Schedule timer and parallel interface cannot be used in combination. Disconnect either the schedule timer or parallel interface and reset the power supply for all optional controllers for centralized control Disconnect the schedule timer's individual / combined connector and reset the power supply for all optional controllers for centralized control simultaneously. NO Are there two or more optional controllers for centralized control connected with the connector for setting master controller? YES NO Reset the power supply for all optional controllers for centralized control simultaneously. If the malfunction is still not cleared: Arrange so that the connector for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously. Disconnect the connector for setting master controller from the master controller, connect to another optional controller for centralized control and simultaneously reset all optional controllers for centralized control again. The controller connected by the connector for setting master controller when the malfunction is cleared is defective and must be replaced. (V2839) Troubleshooting 179 7URXEOHVKRRWLQJ236FKHGXOH7LPHU 6L86 “MC”$GGUHVV'XSOLFDWLRQ,PSURSHU6HWWLQJ 5HPRWH &RQWUROOHU 'LVSOD\ MC $SSOLFDEOH 0RGHOV $OOPRGHOVRILQGRRUXQLWV VFKHGXOHWLPHU 0HWKRGRI 0DOIXQFWLRQ 'HWHFWLRQ 'HWHFWWKHPDOIXQFWLRQDFFRUGLQJWR',,,1(7WUDQVPLVVLRQGDWD 0DOIXQFWLRQ 'HFLVLRQ &RQGLWLRQV :KHQWZRRUPRUHVFKHGXOHWLPHUVDUHFRQQHFWHG 6XSSRVHG &DXVHV $GGUHVVGXSOLFDWLRQRIVFKHGXOHWLPHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are two or more schedule timer connected? YES Disconnect all schedule timer except one and reset the power supply. NO Reset the power supply for the schedule timer. (V2840) 180 Troubleshooting 6L86 &KHFN &KHFN &KHFN1R Troubleshooting &KHFNRQFRQQHFWRURIIDQPRWRU3RZHUVXSSO\FDEOH 7XUQRIIWKHSRZHUVXSSO\ 0HDVXUHWKHUHVLVWDQFHEHWZHHQSKDVHVRI89:DWWKHPRWRUVLGHFRQQHFWRUVWKUHHFRUH ZLUHWRFKHFNWKDWWKHYDOXHVDUHEDODQFHGDQGWKHUHLVQRVKRUWFLUFXLWLQJZKLOHFRQQHFWRU RUUHOD\FRQQHFWRULVGLVFRQQHFWHG Red U White V Black W Measure the resistance values between phases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