LG F14A8RD25 / F14A8YD2 Service Manual ▷ View online
36
Dry Fan Motor Trouble
Is the
Connector
connected correctly to
the
Main PCB
and the
Dry Heater
or
Fan Motor
?
Or is the
Harness
alright?
Are the resistance same between
terminal
points?
V~U / U~W / W~V : 2~5Ω
When checking voltage between
connectors(1,2)
on drying, is the voltage DC 20~30V as the figure ?
YES
YES
Reconnect or repair the
Connector
.
Or replace the
Harness
.
NO
Replace the
Dry Fan Motor
.
NO
Replace the
PWB assembly
(main)
.
NO
V U W
37
8. TROUBLESHOOTING WITHOUT ERROR CODES
PE (Power Failure or no power)
Is the Power Plug connected
firmly to the power outlet?
And is the supply voltage
220~240V AC?
firmly to the power outlet?
And is the supply voltage
220~240V AC?
Is
Red LED ON
while power supplied ?
Is Multi-plug socket used ?
NO
NO
NO
YES
YES
YES
NO
Is the connectors connected
Correctly to the Display
PCB?
Correctly to the Display
PCB?
Is the
Connector
connected correctly to
the
Main PCB
and the
Noise Filter
?
Is the
Harness
alright ?
Noise Filter
Main PCB
PCB
Noise Filter
Reconnect
Power Plug
firmly.
Check the fuse or
reset the circuit breaker.
reset the circuit breaker.
Don’t use
Multi-plug
socket.
Use
Single Plug
socket for
washing machine.
YES
YES
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Check connectors otherwise.
Replace
Replace
Display PCB
.
Check and replace
Main PCB
.
38
No Power
Is the Power Plug connected
firmly to the power outlet?
And is the supply voltage
220~240V AC?
firmly to the power outlet?
And is the supply voltage
220~240V AC?
Is
Red LED ON
while power supplied ?
Is Multi-plug socket used ?
NO
NO
NO
YES
YES
YES
NO
Are the connectors connected
Correctly to the Display
PCB?
Correctly to the Display
PCB?
Is the
Connector
connected correctly to
the
Main PCB
and the
Noise Filter
?
Is the
Harness
alright ?
Noise Filter
Main PCB
PCB
Reconnect
Power Plug
firmly.
Check the fuse or
reset the circuit breaker.
reset the circuit breaker.
Don’t use
Multi-plug
socket.
Use
Single Plug
socket for
washing machine.
YES
YES
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Check connectors otherwise.
Replace
Replace
Display PCB
.
Check and replace
Main PCB
.
39
Vibration & Noise During Spin
Have all the
Transit Bolts
and the
Base Packing
been removed?
NO
Remove the
Transit Bolts
and
the
Base Packing
.
Washer
Base Packing
Packing Support
YES
Refer to INSTALLATION. (Page 8)
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