Kenmore 795.775626, 795.775796 manual Communication Error, Yes Display PCB Is the connection loose?

Page 27

Communication Error

 

 

 

 

 

 

 

Hinge

 

 

 

 

 

 

CON5

 

 

 

RD(Rx)

 

RD(Tx)

 

 

CON101

 

 

 

4

 

4

4

 

3

 

 

MAIN

BN(Tx)

 

BN(Rx)

 

 

 

3

3

3

 

4

DISPLAY

 

 

 

 

 

 

 

PCB

 

2

BO(GND)

 

2

2

 

BO(GND)

5

PCB

 

 

 

WH/BK(12V)

WH/BK(12V)

 

 

 

 

1

1

1

6

 

* Rx: Receiver

 

 

 

 

 

 

 

 

 

 

 

Wiring diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

Tx: Transmitter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is Er-CO displayed?

Display PCB

Is the voltage between No pin3 and pin5 of CON101

0 V or 5 V?

Replace Display PCB

Yes

Display PCB

Yes

Is the connection loose?

 

No

Display PCB

Is the voltage between No pins 4 and pin 5 of

CON101?

pin5 BO pin4 BN

Receiver fail Voltages

Test Point

 

Ressult

 

 

 

pin4 to pin5

 

0 V or 5 V

 

 

 

Yes

 

Reconnect

Replace the Display PCB

Pin5 BO

Pin3 RD

Transmitter Voltages

 

Test Point

 

Ressult

 

 

 

 

 

 

 

 

pin3 to pin5

 

0 V or 5 V

 

 

 

 

 

 

 

 

Yes

 

 

 

Is the joint connection

No

 

loose In the Hinge?

 

 

 

 

 

 

 

 

 

 

 

 

Yes

Reconnect

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Image 27
Contents Refrigerator Safety Precautions ContentsSpecifications Parts Identification Explanation Of Each Function OperationControl Of Freezer Fan Motor Ice Plus SelectionDispenser Use Selection Dispenser LightAlarm for Open Door Ice PlusFreezer and Refrigerator Lamp Auto Off Defect Diagnosis Function Defrosting removing frostIce Maker Function Time to Supply Indications Remarks Icemaking ModeHarvest Mode Fill/Park PositionDivision Indicator Contents Remarks Stage Items Indicator RemarksWiring Diagram Composition AdjustmentCompressor RoleCompressor DiagnosisPositive Temperature Coefficient PTC Starter Remove the cover Positive Temperature Coefficient PTC Over Load Protector OLPDefine Troubleshooting Error Code SummaryCategory Yes Troubleshooting With ErrorPower Off Freezer Sensor Err orPin9 pin10 Refrigerator Sensor ErrorWiring dia gram Yes Is the connection loose?Defrost Sensor Error Yes Is the connection loose? Reconnect Power OffPin7 pin8 Pin1 BL pin2 BL Icing Room Sensor ErrorWiring diagram Pin2 BL pin1 BL Icing room Sensor ResistanceCON6 CON3 Defrost Heater ErrorHeater Resistance Pin10 WH Pin4 BL Resistance Test Point RessultIs the connection loose? Yes Reconnect Open or Short of Fuse-MFreezer Fan Error Pin1 WH Pin2 BK Freezer Fan VoltagesPin2 BK Pin3 PR Feedback Voltages Condenser Fan Error Pin7 SB Pin8 BO Condenser Fan VoltagesPin8 BO Pin9 GN Feedback Voltages Pin5 BL Pin6 BN Feedback Voltages Icing Room Fan ErrorReset Pin4 RD Pin4 BL Icing Fan VoltagesPin5 BO Pin3 RD Transmitter Voltages Communication ErrorYes Display PCB Is the connection loose? Pin5 BO pin4 BN Receiver fail VoltagesPin2 BO pin4 RD Transmitter Voltages Main PCB Yes Is the connection loose?Pin2 BO pin3 BN Receiver Voltages Main PCBCube Mode doesn’t work Troubleshooting ElseCON2 Output voltage of auger motor Yes Cube ModePin5 SB Pin3 WHResistance of Dispenser solenoid Pin3 WH Output voltage of Auger motor Crush Mode Doesnt workWiring diagram Display PCB Yes Is the connection loose? Crush ModePin7 BL Water Mode Pin1 PROutput voltage of door water valve Machine room Checking resistance of First-valve Second Water- valveOutput voltage of machine room water valve Result 360 ~ 420 Ω Yes First Water- valveCON6CON3 Freezer-lamp Doesn’t workPin11 GY Pin10 GY Refrigerator-lamp Doesn’t workPart CON4Poor cooling in the refrigerator compartment Main PWBCON3 CON4 Checking Damper itself Is the resistance Values between 1 Cutting of jumper wire1BL 2YL Yes 1RD 2WH Resistance of DamperBK BL CON3 Over cooling in the refrigerator compartmentChange RCR1 Enter the Test 3 Mode YesPush the Test button on the Main PWB You can start the Test ModeWire Color AC TPA Test Button DC TPAHow to check the Fan-Error Component Testing Information Sheath Heater How to MeasureDoor Heater Assembly How to Measure StandardButton Plunger How to Switch, Freezer Switch, Refrigerator MeasureDoor Switch BeepSolenoid Test Points Result44 ~ 54 Ω AC Motor Assembly Geared Motor & Solenoid How to Geared Motor Cube Solenoid MeasureExtension How to Measure Damper CircuitLamp Socket Dispense Ice Maker Water ValveRight Door Figure Disassembly InstructionsRemoving and Replacing Refrigerator Doors Removing Refrigerator Door Left Door FigureRemove gasket Door Gasket Replacement 1. Insert gasket bracket clipsDoor Gasket Removal Remove door frame cover Remove gasket bracket clipsDoor Alignment FAN and FAN Motor EvaporatorReplace door frame cover Refrigerator Compartment Lamp Defrost Control AssemblyLamp Control BOX-REFRIGERATORDispenser Display PCB ReplacementFunnel Replacement Multi DuctSUB PWB for Working Dispenser Duct Door ReplacementICE Corner Door Replacement Icemaker AssemblyAuger Motor Cover HOW to Insert the Door ICE BIN HOW to Remove the Door ICE BINFollow Steps to Remove HOW to Remove and Reinstall the Pullout DrawerFollow Steps to Reinstall FAN and FAN Motor Disassembly Method Water Valve Disassembly MethodHook Pull OUT DrawerPCB Assembly Main PCB Assembly6871JB1431 by July EBR34917102 from Aug Dispenser PWB Display and Dispenser Drive PCB AssemblyValve & Water Tube Parts Case Parts LOC No 775*3ST 775*2SW 775*9WB 775*4BI Description LAMP,INCANDESCENT Freezer Parts Refrigerator Parts Door Parts LOCNo 775*3ST 775*2SW 775*9WB 775*4BI Description Dispenser Parts ICE Maker & ICE Bank Parts