Troubleshooting Without Error Codes; Pf (Power Failure Or No Power) - LG F1 20TD Series Service Manual

8. TROUBLESHOOTING WITHOUT ERROR CODES

No Power
Is the Power Plug connected
firmly to the power outlet?
And is the supply voltage
220~240V AC?
Is Multi-plug socket used ?
Is the Connector connected correctly to
the Main PCB and the
Or is the Harness alright ?
Noise Filter
Is Red LED ON while power supplied ?
Is the connectors connected
Correctly to the Display
PCB?
YES
NO
Noise Filter?
PCB
YES
YES
NO
YES
NO
NO
YES
31
Reconnect Power Plug
Check the fuse or
reset the circuit breaker.
Don't use Multi-plug socket.
Use Single Plug socket for
washing machine.
Reconnect or repair the Connector.
Or replace the Harness.
Check and replace Main
Check connectors otherwise.
Replace Display PCB.
firmly.
PCB.