Kenmore 795.78733.804 Service Manual page 46

MAIN PWB
Is the connection loose?
No
Main PWB
Is the voltage between
pin 2 and pin 3 of
CON5 0V or 5V?
pin2 BO
pin3 BN
Receiver Voltages
Test Point Result
pin2 To pin3 0 V or 5 V
No
Yes
Reconnect
Replace
Yes
MAIN PWB
(Position No:
500A)
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Main PWB
Is the voltage between
pin2 and pin4 of CON5
0 V or 5 V?
pin2 BO
pin4 RD
Transmitter Voltages
Test Point Result
pin2 To pin4 0 V or 5 V
No
After plug in,
If Er-CO is disappeared,
Explain to the customer!
Replace
Yes
MAIN PWB
(Position No:
500A)