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LG WD-14331(6)AD - Fault Diagnosis: Wash Heater Trouble; Fault Diagnosis: Continuous Heating

LG WD-14331(6)AD
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23
NO
YES
YES
WASH HEATER TROUBLE
When checking the voltage between
connectors ( , ) during
whites washing, Is the voltage
220 - 240V ?
Replace the MAIN PWB
ASSEMBLY
YES
NO
After power off and the heater terminal is
disconnected, is the resistance 10~30 ?
Replace the
HEATER ASSEMBLY
NO
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 ~30 ?
Normal
NO
YES
RED
YELLOW
4
2
1
1
2
2
3
~
MAIN PWB ASSEMBLY
220-240V
MAIN PWB ASSEMBLY
(1)
42
Replace the
THERMISTOR
(6322FR2046C)
Push the THERMISTOR
tightly to the rubber.
When disconnect the connector (1) on the
MAIN PWB ASSEMBLY is the resistance of the
natural connectors 󳛪
󳡊󳡊
(White/Red),
󳡌󳡌
(Blue/White)󳛫between
2.5
k
to 180
k
(105
~0
)?
When checking THERMISTOR on the tub is the
THERMISTOR loosened above 2mm from
the rubber?
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE

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