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

Models: 795.775626 795.775696 795.775726 795.775736 795.775646 795.775636 795.775796

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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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Page 27
Image 27
Kenmore 795.775626 Communication Error, Yes Display PCB Is the connection loose?, Pin5 BO pin4 BN Receiver fail Voltages