LG F14A8YD / F14A8YD6 Service Manual ▷ View online
34
Dry Heater Error (dHE)
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
.
Clean the
Bellows
.
Replace the
Thermistor
.
Is the resistance of t.he
Thermistor
out of range
2.5 ~ 180KΩ at 105 ~ 0°C?
YES
Disassemble the
Cabinet cover
and
Condensing Bellows.
Is there any foreign object in
Condensing Bellows
?
Disassemble the
Dry Fan Assy and Dry Duct Upper,
and clean foreign object in
Duct and Fan
.
Check for
Dry Heater
trouble.
Page 38
Check for
Dry Fan Motor
trouble.
Page 39
YES
NO
NO
NO
YES
35
Dry Heater Trouble
After power off, is the resistance of
Dry Heater
out of
range 33 ~ 37Ω?
Is
Thermostat
closed ?
When checking voltage between
connectors(1,2)
on drying, is the voltage AC 220-240V as the figure ?
YES
YES
Replace the
Dry Heater
.
NO
Replace the
Thermostat
.
NO
Replace the
PWB assembly (main)
.
NO
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
.
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