Download Frigidaire FFHB2740PP Wiring diagram

SERVICE DATA SHEET
PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 37°/0°
CONTROL SETTING
Type A with Run / Start Capacitor
65°F (18°C) Ambient
90°F (32°C) Ambient
90 to 100%
100%
-5° to 2°F
(-20° to -17°C)
-1° to 3°F
(-18° to -16°C)
34° to 39°F
(1° to 4°C)
34° to 39°F
(1° to 4°C)
-2 to 6 psig
(-14 to 41 kPa)
-2 to 6 psig
(-14 to 41 kPa)
85 to 105 psig
(586 to 724 kPa)
120 to 135 psig
(827 to 931 kPa)
Operating Time
Freezer Temperature
Refrigerator Temperature
Low Side Pressure
High Side Pressure
(last 1/3 cycle)
Wattage (last 1/3 cycle)
30 to 50
50 to 70
Amps (running)
.4 to .8
.7 to .9
Base Voltage
A01870701
ICE & WATER - AUTOMATIC DEFROST
ERROR CODES
Display
DEFROST SPECIFICATIONS
Heater
Cabinet Size:
27’ & 28’ SD, 22’ CD
26.5
39°F
(4°C)
Electronic Timer - (ADC) Defrost 24 minutes every 6-96 hours of compressor run time.
CONDENSER FAN MOTOR
3.1
1100 CW
Opposite Shaft
0.03 Running
Manual Defrost
d
F
+ and - / same to deactivate
Open FZ Thermistor
Display / Showroom
77
77
٨ and - / Power-on-Reset (POR)
--
SH
Shorted FF Thermistor
Sabbath
Sb
Sb
٧ and - / same to deactivate
Shorted FZ Thermistor
System Diagnostic
No FF or FZ display,
all UI LEDs on.
٨ and ٧/ + to deactivate
UI to Main Control
Board communication
failure; on start up
FFIM Diagnostic
Numerical display of
first test
٨ and + together to activate /
press and hold + to deactivate
UI to Main Control
Board communication
error; after a period
in operation
Notes:
• Always check for pin back-outs, pinched or damaged wires before replacing components.
• Determine whether failure is caused by the component, main control board or wiring.
Contact TID before replacing main control board.
• Refer to Service Manual for additional information.
EF
500
--
Activate:
115 vac (127 vac max)
Thermostat
Opens at 48°F ( 9°C), Closes at 15° F ( -9°C)
Heater Voltage
115 vac
Evaporator Fan Failure
FRESH FOOD ICE MAKER DIAGNOSTIC MODE
FREEZER ICE MAKER SPECIFICATIONS
Electrical
FF
Open FF Thermistor
SY
135°F
(57.2°C)
FZ
Activate/Deactivate
(press for up to 10 sec. simultaneously)
--
CE
110°F
(43.3°C)
Display
Mode
OP
SY
Cut-out
Interpretation
--
CF
Ohms
SPECIAL MODES
OP
SY
Watts
Amps
FF
SH
Cut-out
RPM
FZ
Defrost
Thermistor
Termination
Cut-in
Watts
IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION.
Deactivate:
52C
Press ٨ and + temperature pads for up to 10 sec. simultaneously.
Press + or - to move forward or backward through tests.
CAUTION
All electrical parts and wiring must be shielded from torch flame. DO NOT allow
torch to touch insulation; it will char at 200°F and flash ignite (burn) at 500°F.
Excessive heat will distort the plastic liner.
FREEZER ICE MAKER INFORMATION
Water Fill Volume: The water fill adjustment screw will change the fill time. One full turn is equal to
20cc (.68 oz.). The correct fill is 102 to 130cc (3.4 to 4.3 oz.). When a water valve is replaced, the fill
volume must be checked.
Press disp. paddle
“on” on UI when depressed; “off” when released.
46
Humidity Sensor
Activates automatically
“OP” if open, “SH” if short.
AC Heater System: Displays %RH.
DC Heater System: “HI” – heater should be on.
“Lo” – heater should be off.
%RH is displayed when humidity is between “Lo” and “HI” values;
heater could be on or off.
47
Dispenser
Pocket Heater
Press set
AC Heater System: “--” ; test not available.
DC Heater System: heater on when “on”, off when “off”.
2
Freezer Defrost
Heater
Press set
Freezer defrost heater on when “on”; off when “off”.
3*
FF Light
(Incandescent Models)
Press set
FF lights on when “on”; off when “off”
8
Water Valve
(Dispenser)
Press set
FF doors must be closed.
Be prepared to collect water at dispenser.
Water dispenses when “on”; stops when “off”.
9*
FZ Light
(Incandescent Models)
Press set
FZ lights on when “on”, off when “off”.
10
Auger Motor
Press set
FF door must be closed.
Motor running when “on”; motor stopped when “off”.
11
Cube/Crush
Solenoid
Press set
FF door must be closed. Do not leave solenoid in activated state.
Solenoid activated when “on”; deactivated when “off”.
Press set
Compressor running when “on”; stopped when “off”.
Press set
FF lights on when “on”; off when “off”.
15
Evaporator Fan
Press set
Stopped when “off”. Listen for speed change from “LO” to “HI”.
20*
FZ Light (LED Models)
Press set
FZ lights on when “on”, off when “off”.
22
Damper
Press set
With inspection mirror, observe damper open when “OP”; closed when “CL”.
23
FF Door
Open/close FF door
“CL” on UI when door closed; “OP” when open.
24
FZ Door
Open/close FZ door
“CL” on UI when door closed; “OP” when open.
26
Ice Maker
Defrost Heater
Activates automatically
Relay is activated automatically. If “CL” is shown, defrost limit switch is
closed and heater should be heating up. If “OP” is shown, defrost limit
switch is open and heater will not activate.
29
FF Thermistor
Activates automatically
UI shows temperature sensed by FF thermistor; pass if within 10°F of
temperature measured with gauge at FF thermistor location.
“OP-” if open; “SH-” if short.
30
FZ Thermistor
Activates automatically
UI shows temperature sensed by FZ thermistor; pass if within 10°F of
temperature measured with gauge at FZ thermistor location.
“OP” if open; “SH” if short.
33
Ambient Thermistor
@ Main Board
Activates automatically
UI shows temperature sensed at main board; pass if within +20°F/-10°F
of temperature measured with gauge at main board location.
“OP” if open; “SH” if short.
34*
Ambient
Thermistor @UI
Activates automatically
UI shows temperature sensed at UI; pass if within +20°F/-10°F of temperature measured with gauge at UI location. “OP” if open; “SH” if short.
39
Evaporator
Thermistor
Activates automatically
UI shows temperature sensed by evaporator thermistor; pass if within 10°F
of temperature measured with gauge at evaporator thermistor location.
“OP” if open; “SH” if short.
45
Ice Maker Mold
Thermistor
Activates automatically
UI shows temperature sensed at ice maker; pass if within +20°F/-10°F of
temperature measured with gauge at ice maker mold. “OP” if open; “SH”
if short.
0-
Firmware Parameters
Press set
Displays digit sequence; record.
2-
Main Board Firmware
Press set
Displays digit sequence; record.
4-
UI Firmware
Press set
Displays digit sequence; record.
Activates
automatically
FZ display shows temperature sensed by Ice Maker Thermistor.
“OP” if open; “SH” if short
Press Set
Remove ice tray to collect water into a measuring container to measure water
fill. If collecting water into ice tray, first perform test 63C to empty ice tray.
Remove ice bucket.
Allow bail arm to drop freely. Pass if no alarm when tray returns to “home” position.
Hold bail arm up. Pass if alarm sounds when tray returns to “home” position.
This test runs continuously until another test is selected.
Twist Tray
Press Set
→
yes
Check at Inverter Board on
Compressor
(BLK and RED wires)
Remove ice bucket.
FZ display shows “1” and “GOOD”.
→
yes
Is Inverter Board receiving 10-15
VAC and 1-5 VDC from Main
Control Board?
Remove inverter box from the
compressor and check resistance
across compressor winding pairs as
shown.
Is resistance across all winding
pairs equal?
→
Check at Main Control Board
(BLK/WHT and RED/BLK wires)
→
yes
Check connections from Inverter
Board to Compressor
Are connections from Inverter
Board to Compressor intact?
no
Replace Compressor and
Inverter Board.
Identify and repair damaged wires or
poor connections between Main Control
Board and Inverter Board.
Mounting
Plate
Screw
Dispenser Paddle
FF Light (LED Models)
yes
N
Test Cycling: Remove cover by inserting screwdriver in notch at bottom and prying cover from housing. Use screwdriver to rotate motor gear counterclockwise until holding switch circuit is completed. All
components of ice maker should function to complete the cycle.
Blank UI display, no lights illuminated.
28
VCC Compressor
Activates
automatically
Mounting
Plate
Screws
--
13*
Is Main Control Board sending
10-15 VAC and 1-5 VDC to
Inverter Board?
R
Third Screen
38*
Passing Result
To activate test
no
TU
(Where Applicable)
All segments on UI temperature displays illuminated.
--
Test
Ice Level Sensor
Motor
Gear
--
Flip mullion heater and dispenser pocket heater on when “on”;
off when “off”
“On” on FZ display when fan activated, “OFF” when deactivated.
Water Fill
Adjustment
Second Screen
Fan running when “on”; stopped when “off”.
no
•
All LED lights on UI illuminated.
--
Press set
Press Set
Check voltage supply.
Check and repair power
cord harness wiring and
connections.
Passing result
--
Press set
Is Inverter Board receiving 115 VAC
from power supply?
•
To activate test:
First Screen
VCC Condenser Fan
Evaporator Fan (FFIM)
Check at the connector from the power cord
harness into the inverter board, located in
the machine compartment.
(PUR and WHT wires)
Test
--
Anticondensation
Heater
Variable Capacity Compressor (VCC) Diagnostics (select models)
If test 38 fails, diagnose as follows:
→
Tests marked with “*” may not be applicable to this unit and will not be displayed in System Diagnostic Mode.
Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.
View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.
Listen for operating sounds; feel for heat or air flow as appropriate to determine results of tests.
43
58C
63C
Press + for up to 10 sec. Diagnostic Mode will automatically deactivate after 5 min. of inactivity.
Note: Silence alarm.
12
Water Valve
57C
Deactivate:
Press + for up to 10 sec. FFIM Diagnostic Mode will automatically deactivate after 5 min. of inactivity.
NOTE: Silence alarm.
Ice Maker Thermistor
55C
Press ٨ and ٧ for up to 10 sec. simultaneously.
Press + to advance through tests.
•
•
•
•
BOTTOM FREEZER - R134a
115 vac (127 vac max)
Thermal Cutout
SYSTEM DIAGNOSTIC MODE
Activate:
no
no
Identify and repair damaged
wires or poor connections
between Inverter Board and
Compressor.
yes
Replace Main Control Board.
VCC Resistance Check
Check resistance between terminals 1 and
2, 2 and 3, 3 and 1.
If all resistances are equal,
compressor is operative.
Replace Inverter Board
IMPORTANT SAFETY NOTE
The information provided herein is designed to assist qualified repair personnel only. Untrained persons should
not attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing
this appliance.
IMPORTANT
Timing
Gear
If any green grounding wires are removed during servicing, they must be returned to their original position
and properly secured.
1
5
2
4
J3
3
6
9
10
+12V DC
REVERSIBLE
12V
DC SIDE
FLAPPER
MOTOR
BLK
USER
INTERFACE
3
2
1
J4
PIN 3
PIN 4
PIN 5
PIN 3
PIN 4
PIN 5
LH2
RH2
WHT
RED
1
2
J9
3
4
AC SIDE
GND
2
GRY/WHT
1
AT1
FRESH FOOD
SENSOR
BLK
M
2
2
PIN 4
PIN 7
1
PIN 1
PIN 8
GRN/BLU
RED 1 DK. BLU
TWIST
MOTOR
MB1
M
BAIL ARM
SWITCH
TRAY
SENSOR
IM1
PIN 4
PIN 2
PIN 1
PIN 8
PIN 2
PIN 3
PIN 1
PIN 7
PIN 5
PIN 2
PIN 4
PIN 6
PIN 6
PIN 5
PIN 3
PIN 1
IM2
MC2
GRY/BLK
GRY/BLK
GRN/BLU
DK. BLU
WHT
RED
BLU
YEL
GREY
GREY
1
8
2
3
J7
4
7
5
6
BLK
LT. BLU
LT. BLU
COMM.
NEUTRAL
+5V DC
CAB. GROUND
+12V DC
LT. BLU
12 VDC
GRN/YEL
BASE PLATE
GROUND
BLK
PIN 5
1
J1 2
3
+5V DC
LT. BLU
+5V DC
RL4
RL8
+12V DC
REVERSIBLE 12V DC
+5V DC
J2 3
7
4
J3
YEL/RED
YEL/BLK
U2
6
RED
RL9
J3 3
YEL
RL7
5
AT1
FLIP MULLION COVER
PIN 8
PIN 3
RIGHT HINGE
GROUND
REFRIGERATOR LIGHTS
LT. BLU
YEL/BLK
PIN 9
1
LT. BLU/BLK
LT. BLU
BLK
SPLICE
PIN 9
PIN 6
PIN 1
PIN 1
1
PIN 2
3
RH3
SPLICE
PIN 1
RH1
CONDENSER FAN
2
GRN/YEL
2
PIN 6
PIN 4
LT. BLU/BLK
LT. BLU/WHT
MULLION HEATER
FLAPPER & SUMP
HEATER
2
1
PIN 2
LH1
TWIST ICEMAKER
WATER VALVE
TAN
DISPENSER
WATER VALVE
LT. BLU
LT. BLU
DIODE
+5V DC
RIGHT DOOR
FLANGE
LT. BLU
PIN 2
LT.BLU/BLK
MC1
FREEZER LIGHT
1
MC1
RL5
GRN/YEL
2
YEL/RED
+5V DC
VARIABLE SPEED
COMPRESSOR/ INV.
CONTROL SIGNAL
RED/BLK
BLK/WHT
SPLICE
TAN
GRY/WHT
7
8
9
J6
10
11
12
POWER
LT. BLU
SPLICE
YEL
GRY/YEL
1
FREEZER
SENSOR
IM FAN
MOTOR
GRY/YEL
2
COMPRESSOR
GROUND
BLK
LINE
FREEZER
EVAPORATOR
SENSOR
RIBBED
(NEUTRAL)
DISPENSER
PADDLE
DISPENSER
LIGHT
PIN 1
+12V DC
BASE PLATE
GROUND
FLAPPER
POSITION
SWITCH
PIN 4
+12V DC
NON-RIBBED
(LINE)
POWER CORD
MAIN INLET
WATER VALVE
SPLICE
TAN/YEL
SPLICE
SPLICE
DIODE
YEL/BLU
PIN 1
2
PIN 3
RED/WHT
BRN/WHT
MB1
RED
COMPRESSOR
CONTROL SIGNAL
BLK
RED/BLK
1
BLK/WHT
2
AT1
RED/YEL
PIN 6
12V DC
DAMPER
MOTOR
RED/YEL
BRN/YEL
PIN 5
BRN/YEL
BLK/YEL
WHT/YEL
BLK/YEL
PIN 3
WHT/YEL
PIN 2
YEL/BLK (COM)
YEL/GRY (N/C)
LH LIGHT
SWITCH
(DOOR OPEN)
PURPLE (N/O)
PURPLE (COM)
PIN 5
PIN 8
YEL/PNK
FREEZER DOOR
SWITCH
(DOOR OPEN)
INLINE CONNECTOR ABBREVIATION KEY
ABBR.
EXPLANATION
AT1 9 PIN CONNECTION AT AIR TOWER
9 PIN CONNECTION IN FRESH
IM1
FOOD ICEMAKER COMPARTMENT
6 PIN CONNECTION IN FRESH
IM2
FOOD ICEMAKER COMPARTMENT
6 PIN CONNECTION AT THE LEFT
LH1
DOOR UPPER HINGE
5 PIN CONNECTION AT THE LEFT
LH2
DOOR UPPER HINGE
9 PIN CONNECTION IN THE MAIN
MB1 BOARD HOUSING BEHIND THE TOE
GRILLE
4 PIN CONNECTION IN THE MAIN
MB2 BOARD HOUSING BEHIND THE TOE
GRILLE
9 PIN CONNECTION IN THE
MC1 MACHINE COMPARTMENT TO THE
LEFT OF THE COMPRESSOR
8 PIN CONNECTION IN THE
MC2 MACHINE COMPARTMENT TO THE
LEFT OF THE COMPRESSOR
9 PIN CONNECTION AT THE RIGHT
RH1
DOOR UPPER HINGE
5 PIN CONNECTION AT THE RIGHT
RH2
DOOR UPPER HINGE
2 PIN CONNECTION AT THE RIGHT
RH3
DOOR UPPER HINGE
1 2 4 6
RH LIGHT
SWITCH
(DOOR OPEN)
YEL/GRY
YEL/GRY
YEL/PNK
BLK/ORN
BLK
MB1
PIN 4
PIN 5
YEL/PNK
YEL/PNK
NEUTRAL
5
6
J5
3
4
11
J5
7
12
J5
8
RL1
+12V DC
1
5
J1 4
J2
BLK
GND
BLK
PIN 3
LT. BLU
PIN 2
BRN
BLK/ORN
YEL/PNK
PIN 4
FREEZER
EVAPORATOR
HEATER
MB2
+12V DC
+12V DC
1
J8
2
1 2 4 6
YEL/BLK (COM)
YEL/GRY (N/C)
PUR/BLK (N/O)
PURPLE (COM)
RH1
11
12
LINE
+12V DC
FREEZER ICEMAKER
WATER VALVE
PIN 1
3
OUT1A
1
OUT2A
RL6
OUT2B
J3 2
J2 2
BROWN/BLUE
BLU/WHT
BROWN
PIN 7
AUGER MOTOR
BLU/WHT
PIN 3
PIN 2
MC1
RL3
J3 1
PIN 9
DEFROST
BIMETAL
CUBE/CRUSH
SOLENOID
AUGER
MOTOR
PURPLE
PIN 7
PUR/BLK
BEHIND FRONT
LEFT ROLLER
ICEMAKER
EVAPORATOR
HEATER
PIN 1
PIN 8
+5V DC
BOARD-MOUNTED
AMBIENT THERMISTOR
GRN/YEL
PIN 5
IM1
RL2
YEL/BLU
2
COIL COVER
GROUND
CABINET
WRAPPER
OUT1B
FREEZER DOOR
SWITCH
(DOOR OPEN)
4
FREEZER
ICE MAKER
(SEE FZ ICE
MAKER DIAGRAM)
ERF2500++ISO
REFRIGERATOR
CONTROL
YEL/PNK
THERMAL
CUT-OUT
PIN 4
RH1
+5V DC
+5V DC
SPLICE
PIN 4
IM1
LT. BLU
PURPLE (COM)
PURPLE (N/O)
6 4 2 1
1
YEL/BLU
6 4 2 1
EVAPORATOR
FAN (DC)
YEL/WHT
PIN 2
4
3
4
5
6
7
J4
8
9
BOARD VIEW
LH LIGHT
SWITCH
(DOOR OPEN)
YEL/GRY (N/C)
YEL/BLK (COM)
RH LIGHT
SWITCH
(DOOR OPEN)
PURPLE (COM)
PUR/BLK (N/O)
YEL/GRY (N/C)
YEL/BLK (COM)
J9
J10
2 4
J1
RH1
RH3
LH1
LH2
FRONT INSIDE
VIEW
IM1
RL2
1
RL3
1
RL6
9
LH2 & RH2
LH1
4
3
9
1
1
BACK VIEW
7
1
1
7
6
MB1
3
3
6
3
9
9
3
1
7
7
1
MB2
4
8 8
4
1
5 5
1
RL8
2
2
1
1
J8
AMBIENT
TEMP
SENSOR
1
J4
1
1
J7
U2 RL4
RL7
J5
1
1
1
MC2
MC1
MC2
LATCH
CATCH
AT1
MC1
RH3
5
5
4
2
RL9
J3
3
12
1
RL5
IM2
AT1, IM1, MB1, & RH1
11
J6
J2
RH2
1 4
RL1
1 3
J11
IM2
2
4
4
2
3
6 6
3
1
3
3
1
1
4
4
1
MB2
Wire Diagram A01830901