LG WD-8050F Service Manual page 23

AC 220-240V
Yellow
Red
1
WASH HEATER TROUBLE
When checking the voltage between two
receptacles of the PWB assy(Power) during
washing.
Is the voltage AC 220-240V?
After power off, is the resistance between yellow
wire and red wire of
connector 10 to 30¥ ?
After power off, is the resistance of heater
10 to 30¥ ?
HEATING WATER CONTINUOUSLY ABOVE
THE SELECTED WATER TEMPERATURE
Is the resistance between two receptacles with
BL/WH wires parted from PWB assy
2.5k¥ to 180k¥ (105 ¡ ~0 ¡ )?
When checking thermistor on the tub cover,
is the thermistor gotten more than 2 mm out of the
rubber?
YES
NO
YES
22
Replace the PWB assy
NO
(Power)
Normal
YES
Replace the heater assy
NO
Replace the thermistor
NO
(6322FR2046B)
Get the thermistor back
YES
to the rubber.