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SERVICE MANUAL 1 HW-D1270TVE/ME SERVICE MANUAL Order No. FL0812S010V1.1 Front Load Washing Machine MODEL: HW-D1270TVE/ME HW-D SERIES WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death ©2008 Haier Washing Machine All rights reserved.Unauthorized copying and distribution is a violation of law. Haier Washing Machine SERVICE MANUAL 2 HW-D1270TVE/ME Haier Group Contents Chapter 1 General Information _____________________________________ 4 1-1. General Guidelines _________________________________________ 4 1-2. Caution and Warning symbols _________________________________ 4 1-3. Function indication symbols __________________________________ 4 Chapter 2 Product Feature ________________________________________ 5 2-1. Features _________________________________________________ 5 2-2. Specification ______________________________________________ 6 Chapter 3 Matters needing attention ________________________________ 8 3-1. Safety ___________________________________________________ 8 3-2. During Use ________________________________________________ 9 Chapter 4 Operational Guidance _________________________________ 10 Chapter 5 Program Introduction __________________________________ 12 Chapter 6 Appearance brief introduction __________________________ 13 6-1. Name of parts ____________________________________________13 6-2. Net dimension ____________________________________________14 Chapter 7 Disassembly and Installation ___________________________ 15 7-1. Remove packing materials __________________________________15 7-2. Dismantle packing bolts _____________________________________15 7-3. Adjusting the washing machine _______________________________15 Haier Washing Machine SERVICE MANUAL 3 HW-D1270TVE/ME 7-4. Joining the Inlet Hose to the Washing Machine ___________________16 7-5. Connecting to the Power Supply ______________________________16 Chapter 8 Wiring circuit _________________________________________ 17 8-1. Wiring circuit _____________________________________________17 8-2. Self check _______________________________________________18 Chapter 9 Error Display and troubleshooting _______________________ 19 9-1. Error Display _____________________________________________19 9-2. Examination & Troubleshooting _______________________________25 9-2-1. Display nothing ________________________________________25 9-2-2. No water inletting _______________________________________25 9-2-3. No draining ___________________________________________26 9-2-4. Abnormal noise and vibration _____________________________26 9-2-5. Water leaking __________________________________________27 Haier Washing Machine SERVICE MANUAL 4 HW-D1270TVE/ME Chapter 1 General Information 1-1. General Guidelines When servicing,observe the original lead dress.If a short circuit is found, replace all parts which are overheated or damaged by the short circuit.After servicing ,see to it that all the protective devices such as insulation barriers ,insulation papers shields are properly installed .Confirm that the screws,parts and wiring which were removed in order to service are put in the original positions, or whether there are the portions which are deteriorated around the service places serviced or not. And be sure safety of that. 1-2. Caution and Warning symbols (You will see them in “Matters needing attention”) Any instructions in this service manual with this “Warning “sign must be followed strictly. To prevent damage to the washing machine, any instructions in this manual with this “Stop “sign must be followed strictly. 1-3. Function indication symbols (You will see them in the specification table) Signify the washing machine has this function. Signify the washing machine doesn’t have this function. Haier Washing Machine SERVICE MANUAL 5 HW-D1270TVE/ME Chapter 2 Product Feature 2-1. Features Environmental friendly to protect your skin. DC driver to save more energy and water High speed is available for easily dying and washed items are always ready for further use. Sterilization of electrolyzed water makes washing complete and clean Super large LCD displayer provides a clear indication of functional operation Memory function of power failure Thorough rinse function Dynamic washing function Electromagnetic door lock, which will open when the machine stops Haier Washing Machine SERVICE MANUAL 6 HW-D1270TVE/ME 2-2. Specification washing machines 1. 2. 3. HW-D1270TVE/ME Last update Product identification Description of appliance Type of appliance(FS = standing, BI = built-in Supplier own brand Supplier bar code Commercial Brand / Model Commercial bar code Key-Features Energy efficiency class Washing performance class Spin efficiency class Programs Capacity Spin speed (max. / optional) Noise level(sound pressure level) Energy consumption per wash circle Water consumption per wash cycle Residual dampness (spin result) Spin speed selector switch (steps) Spin speed variator (stepless) Adjustable thermostat (water temp. adjust from - to) Drum capacity dry laundry / water Auto water level adjust (depending on volume of filled in laundry) Washing time (max.) Washing temperatures (program-controlled) Certification's (CE / ISO 9001 / ISO 9002) Approvals (VDE/GS / TÜV/GS / IMQ) * per average 200 wash cycles (EN50242) = COLD Basics data Unit dimensions (H x W x D) Net weight Voltage/frequency Input power / main fuse (intensity) Work top / removable Control EAN EAN n° Kg rpm dB(A) kWh l % rpm rpm °C kg / l AWL min °C cm kg V/Hz W/A M = electromechanical, E = electronic, F = fuzzy Inner cylinder Outer cylinder S = stainless steel / Z = zinc coated P = Plastic / S = stainless steel Washing machine FS Haier Haier Haier Haier A A B 11 7 1200 72 1.19 56 50% 90 - 7/56 178 Cold/30/40/50/60/90 CE / ISO 9001 TÜV/GS (Rhl.) 84X59.5X61 73 220-240V~50Hz 2000/10 / E S P Door: aesthetic (R = round, Y = big eye, Q = square) cm Diameter Outer door Inner door frame S= stainless steel / M = metal / P = plastic G= glass / P= plastic Detergent compartments Removable compartment for liquid detergent Delay timer (from - to) Self cleaning suds pump Water inlet hose cold water / hot water Water drain hose / -support Haier Washing n° h Machine Y 30 P G 3 0.5-24 /- / SERVICE MANUAL 7 HW-D1270TVE/ME 4. 5. 6. Adjustable feet Safety systems Auto door lock Motor overheating protection No heating without water Auto water cool-down (before drain 90°C boiled water) Water protection n° 4 ADL MOP NHW AWC WRP Acqua Stop kit Child protection Programs 1) Cotton cycles Strong/Normal/Delicate 1) Synthetics Normal / Delicate 2) Wool 3) Hand wash 4) Sport program 5) Spin 6) Drain 7) Underwear 8) Bulky Clothes Optional function keys (additional program settings) ON/OFF button Half load Super Wash Spin exclusion Spin reduction ECO Time No Soak Rinse stop Delicate Cold wash Accelerated Washing Extra Rinse No use detergent Healthy Time Delay Start/Pause Packing dimensions & loadability Packing dimensions (H x W x D) Gross weight 40' Container load 40' HC load capacity n° n° n° n° n° n° n° n° rpm cm kg pcs pcs Stand for having the function - Stand for not having the function ECO stand for ecnomical wash Haier Washing 2 1 1 1 1 1 1 - Machine ● ● ● ● ● ● ● ● ● ● ● 88.5*63.5*65 75 162 SERVICE MANUAL 8 HW-D1270TVE/ME Chapter 3 Matters needing attention 3-1. Safety Haier Washing Machine SERVICE MANUAL 9 HW-D1270TVE/ME 3-2. During Use Haier Washing Machine SERVICE MANUAL 10 HW-D1270TVE/ME Chapter 4 Operational Guidance Haier Washing Machine SERVICE MANUAL 11 HW-D1270TVE/ME Haier Washing Machine SERVICE MANUAL 12 HW-D1270TVE/ME Chapter 5 Program Introduction Haier Washing Machine SERVICE MANUAL 13 HW-D1270TVE/ME Chapter 6 Appearance brief introduction 6-1. Name of parts Haier Washing Machine SERVICE MANUAL 14 HW-D1270TVE/ME 6-2. Net dimension Haier Washing Machine SERVICE MANUAL 15 HW-D1270TVE/ME Chapter 7 Disassembly and Installation 7-1. Remove packing materials 7-2. Dismantle packing bolts 7-3. Adjusting the washing machine Haier Washing Machine SERVICE MANUAL 16 HW-D1270TVE/ME 7-4. Joining the Inlet Hose to the Washing Machine 7-5. Connecting to the Power Supply Haier Washing Machine SERVICE MANUAL 17 HW-D1270TVE/ME Chapter 8 Wiring circuit 8-1. Wiring circuit Haier Washing Machine SERVICE MANUAL 18 HW-D1270TVE/ME 8-2. Self check Haier Washing Machine SERVICE MANUAL 19 HW-D1270TVE/ME Chapter 9 Error Display and troubleshooting 9-1. Error Display Error message:Door is not properly shut 20s after program is started. Troubleshooting: Pushing the door to Check Whether Door is properly shut or not Shut the door properly N Y Cut off the power and then turn on again. Check the voltage between brown wire and red wire of door lock, is it between AC 220-240V? Door lock is broken and need replacing, then make sure wire is connected properly. Y N Check if the wire connecting door lock and computer board is loose Connect the wire properly Y N Replace PCB Check the voltage between grey wire and white wire of computer board, is it between AC 220-240V? N Error message:Drainage error, water not emptied within 4 min. Troubleshooting: Cut off power and water Check if water is emptied Y level pressure switch wire connection, measure the resistance of 1 and 3 pin, is it infinite? If not, it is water level pressure switch failure and replace it. If it is, then repair and check computer board and wire as followed. N Haier Washing Machine SERVICE MANUAL 20 HW-D1270TVE/ME Check if drain pump acts by touching pump position Check if drain pump or drain pipe is jammed, and open the filter and clean Y N Cut off the power and choose spin program to start, then check the import voltage of drain pump, is it between AC 220-240 V? Y Replace drain pump N Cut off power and pull out water level pressure switch wire connection. Set spin program to start. Check the export voltage to drain pump, is it between AC 220-240V?between blue wire and green wire Y N The wire between computer board and drain pump is not connected properly. Replace the wire. Replace PCB Error message:Temperature sensor is not properly connected or damaged (display at the end of a program). Troubleshooting: Cut off power and measure the resistance of temperature sensor by multimeter, is it between 5-14kΩ? N NTC exist open circuit .Replace it Y Check if NTC is connected properly Connect NTC well N Y Check the blue wire and black wire of NTC, are they connected well? Connect all wires well N Y Disconnect the white wire and black wire from computer board, and measure if the resistance between blue wire and black wire of PCB is it infinite? Replace wire Y N Replace PCB Haier Washing Machine SERVICE MANUAL 21 HW-D1270TVE/ME Error message :The heater may be broken Troubleshooting: Cut off power ,check the resistance Of two pins of heater element multimenter is it between 30-35Ω ? Heater element must be broken please replace it by Turn on power ,and set wash mode,then start ,check the export voltage of heater element between 12-6 and J9-9 ,is it between AC 220-240V? PCB must be broken, please replace it Error message:The required water level is not reached within 8 min. Troubleshooting: Check if water is leaking from washer bottom. inlet pipe. drain pipe or other pipe connection Y Readjust or replace the broken parts N Check if tap is closed or water pressure is too low (usual between0.03 -1 MPa) Y Open the tap or wait for normal water pressure to use N Clean inlet valve Check if inlet valve is jammed Y N Draw out the dispenser and check if water is entering Y N Haier Washing Observe if the height of drain pipe not reach 80 cm. If water level pressures switch and the hose is leaking gas Machine SERVICE MANUAL 22 HW-D1270TVE/ME Turn on power, and set pre-wash mode, then start. Check the import voltage of electromagnetic valve by multimeter , is it between AC 220-240V between the white wire and red wire that they are not connected?Voltage is220-240V between white wire and white wire,between red wire and red wire Electromagnetic valve must be broken, please replace it. Y N Check if export voltage from computer board to electromagnetic valve, is it between AC 220-240V that voltage between grown wire and white wire of PCB ? The wire connected PCB and inlet valve is not properly. Please reconnect it or replace it. Y N Replace PCB Y Error message:Motor speed error .it may be not properly connected or damaged. Troubleshooting : Connect them well and test. Cut off power, and check if motor wire is connected well N Y Connect them properly and test. Check if the wire of motor is connected well with computer board. N Y Pull out the motor insert string, and check the resistance of motor speed measurer and the winding of the motor, is it as followed?From up to down,The order is M1.M2.M3.M4.M5.M6.M7.M8.M9.M10 : the resistance between M5and M10 is 1.67~1.85Ω. the resistance between M8and M9 is 1.69~1.87Ω. Replace the motor. N Y Haier Washing Machine SERVICE MANUAL 23 HW-D1270TVE/ME Check the import voltage between M1 wind and M2 wind, is it between AC 220-240V? Replace PCB N Error message. Motor overheat protection or is damaged. Troubleshooting: Cut off power and check if motor wires are connected well Reconnect well N Y Measure if resistance of motor winding by multimeter,is it as followed? the resistance between M5and M10 is 1.67~1.85Ω. the resistance between M8and M9 is 1.69~1.87Ω. Put the motor in nomal temperature about ten minutes,and then test again.If the resistance is natural, it is caused by overheated protection.Then check and deal with overload,abnormal voltage.If not,please replace motor N Y Pull out the wire connection of motor and computer board.Then check if circuit is open by multimeter Repair wires Y N Turn on power and set spin mode,then start.Check the import voltage between red wire and red wires, is it between 220-240V? Replace PCB Y Error message. Water level exceeds protection value. Troubleshooting: Y Check if water switch hose and air collector are jammed Clean water switch hose and air collector N Haier Washing Machine SERVICE MANUAL 24 HW-D1270TVE/ME Pull out water switch inserts and turn on power, then set wash mode. While water is entering at the position of 1/4 glass window, check the resistance between ① and ②, is it 0? Check the resistance between ①and ③, is it infinite? N Replace switch Y Replace inlet valve Without power ,connect inlet pipe to inlet vavle,then open the tap and observe if water is entering in dispenser Y N Y Without starting but electrifying, measure the import voltage of inlet valve, is it between AC 220-240V? Haier Washing Machine Replace PCB water pressure SERVICE MANUAL 25 HW-D1270TVE/ME 9-2. Examination & Troubleshooting 9-2-1. Display nothing Troubleshooting: Repair power supply N Measure the power supply ,is it exists 220V-240V AC voltage? Y Press the power switch N Is power switch on? Y Press power switch and check the voltage between two pins of power switch. Is there 220-240V AC voltage between blue wire and brown wire? Make sure power supply cable assembly is connected well and then replace power switch. N N Y Cut off power and check if plugs are connected well by pulling the plug of computer board. Y Insert the plug well and test Y Check if power plug exists 220V-240V AC voltage at the import pin 9-2-2. N Replace PCB No water inletting Troubleshooting: Is the tap shut off or the water pressure too low? Open tap or wait for normal water pressure Y N Check if water is leaking from washer connection, especially between inlet pipe and tap. to make sure of no bends. Reconnect inlet pipe. Y N Clean filter Y Check if filter of electromagnetic valve is jammed N Choose pre-wash program and start , Check if there is 220-240V at import pin of electromagnetic valve Replace electromagnetic valve Y N Haier Washing Machine SERVICE MANUAL 26 HW-D1270TVE/ME Reconnect the wire Y Is there open circuit between electromagnetic valve and computer board? N Choose pre-wash program and start,then check if there is 220-240V at export pin of electromagnetic valve 9-2-3. N Replace PCB No draining Troubleshooting: Is the height of drain pipe too high? Adjust the height of drain pipe to 80-100 cm Y N Turn filter anticlockwise,open and check if filter is jammed Clean and tighten filter clockwise. Y N Arrange hose and clean Check if hose connecting cylinder to pump is bent or jammed Y N Turn on power and choose spin program to start. Measure if import voltage of drain pump is 220-240V Y Replace drain pump N Replace the wire. Cut off and check if the connection between drain pump and computer board is open Y N Replace PCB Turn on and choose spin program to start. Measure if export voltage of PCB to drain pump is 220-240V 9-2-4. N Abnormal noise and vibration Troubleshooting: Is the pack screws dismantled? Dismantle the screws N Y Clean Y Is there foreign material in the washer? N Adjust adjustable feet N Is washer in balance? Y Haier Washing Machine SERVICE MANUAL 27 HW-D1270TVE/ME Replace it Is belt loose or worn? Y N Are the screws of counterweight and motor loose? Fasten them Y N Remove belt and turn belt pulley by hand, and then check if there is different noise Dismantle triangle and check the bearing .If it is broken, replace it. Y N Replace motor Y Turn on power and set spin program, then start,check if there is different noise from motor 9-2-5. Water leaking Troubleshooting: Check if water is leaking from the inlet pipe or the tap Y Readjust it. N Is drain pipe broken? Replace drain pipe Y N Remove clothes Check if there is foreign material nipped between cushion of sight window and sight window N Y Check if all tubes and tie-in is leaking water, including the connecting of tube and valve, dispenser, tube and dispenser ,outer cylinder-cushion of sight window-hose and outer cylinder, drain pump and gas valve Y Reassemble or repair N Replace cushion of sight window Y Is cushion of sight window broken? N Is water leaking from outer cylinder? Y Haier Washing Machine Replace outer cylinder SERVICE MANUAL 28 HW-D1270TVE/ME Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Haier Washing Machine