LG F1695RDH7 Service Manual ▷ View online
33
Dry Heater Error (dHE)
Is the Connector connected correctly to
the Main PCB and the Dry Heater or Fan Motor?
Or is the
the Main PCB and the Dry Heater or Fan Motor?
Or is the
Harness
alright?
Reconnect or repair the Connector.
Or replace the Harness.
Or replace the Harness.
Replace the Thermistor.
Is the resistance of t.he Thermistor out of range
2.5 ~ 180KΩ at 105 ~ 0°C?
2.5 ~ 180KΩ at 105 ~ 0°C?
YES
Disassemble the Dry Fan Assy and Dry Duct Upper,
and clean foreign object in Duct and Fan.
and clean foreign object in Duct and Fan.
Check for Dry Heater trouble.
Page 34
Check for Dry Fan Motor trouble.
Page 35
YES
NO
NO
NO
34
Dry Heater Trouble
After power off, is the resistance of Dry Heater out of
range 33 ~ 37Ω?
range 33 ~ 37Ω?
Is Thermostat closed ?
When checking voltage between connectors(1,2)
on drying, is the voltage AC 220-240V as the figure ?
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
35
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?
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 ?
on drying, is the voltage DC 20~30V as the figure ?
YES
YES
Reconnect or repair the Connector.
Or replace the Harness.
Or replace the Harness.
NO
Replace the Dry Fan Motor.
NO
Replace the PWB assembly
(main).
(main).
NO
V U W
36
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?
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?
Or is the Harness right?
the Main PCB and the Noise Filter?
Or is the Harness right?
Noise Filter
Main PCB
PCB
Reconnect Power Plug firmly.
Check the fuse or
reset the circuit breaker.
Check the fuse or
reset the circuit breaker.
Don’t use Multi-plug socket.
Use Single Plug socket for
washing machine.
Use Single Plug socket for
washing machine.
YES
YES
Reconnect or repair the Connector.
Or replace the Harness.
Or replace the Harness.
Check connectors otherwise.
Replace Display PCB.
Replace Display PCB.
Check and replace Main PCB.
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