LG WD-14030RD Service Manual ▷ View online
32
Is
Thermostat
closed ?
After power off, is the resistance of
Dry Heater
out of
range 33~37Ω?
Replace the
Dry Heater
.
Dry Heater Trouble
YES
YES
NO
Replace the
Thermostat
.
NO
Replace the
PWB assembly (main)
.
NO
When checking voltage between
connectors(1,2)
on drying, is the voltage AC 220-240V as the figure ?
1
2
33
Are the resistance same between
terminal
points?
V~U / U~W / W~V : 2~5Ω
Is the
Connector
connected correctly to
the
Main PCB
and the
Dry Heater
or
Fan Motor
?
Or is the
Harness
alright?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Dry Fan Motor
.
When checking voltage between
connectors(1,2)
on drying, is the voltage DC 20~30V as the figure ?
Dry Fan Motor Trouble
YES
YES
NO
NO
Replace the
PWB assembly
(main)
.
NO
V U W
1
2
34
No Power
Is the Power Plug connected
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?
Is the
Connector
connected correctly to
the
Main PCB
and the
Noise Filter
?
Or is the
Harness
alright ?
Noise Filter
Main PCB
Noise Filter
PCB
Reconnect
Power Plug
firmly.
Check the fuse or
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
Display PCB
.
Check and replace
Main PCB
.
8. TROUBLESHOOTING WITHOUT ERROR CODES
35
Vibration & Noise In 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 7)
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