Troubleshooting Without Error Codes; Power Failure Or No Power - LG F J5WNW Series Service Manual

8. TROUBLESHOOTING WITHOUT ERROR CODES

PF (Power Failure or no power)
Is the Power Plug connected
firmly to the power outlet?
And is the supply voltage
220~240V AC?
YES
Is Multi-plug socket used ?
Is the Connector connected correctly to
the Main PCB and the Noise Filter
Is the Harness alright ?
Noise Filter
YES
Is Red LED ON while power supplied ?
YES
Is the connectors connected
Correctly to the Display
PCB?
NO
?
PCB
Noise Filter
Main PCB
Reconnect Power Plug
NO
Check the fuse or
reset the circuit breaker.
Don't use Multi-plug
YES
Use Single Plug
washing machine.
NO
Reconnect or repair the
Or replace the
NO Check and replace
Check connectors otherwise.
YES
Replace Display PCB
firmly.
socket.
socket for
Connector .
Harness .
Main PCB .
.