LG WD(M)-16220(5)FB Service Manual page 25

MAIN PWB ASSEMBLY
2
1
220 - 240V~
YELLOW
RED
MAIN PWB ASSEMBLY
2
4 (1)
WASH HEATER TROUBLE
When checking the voltage between
connectors ( ,
1 2
whites washing, Is the voltage
~
220 - 240V ?
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 ~30 ?
After power off and the heater terminal is
disconnected, is the resistance 10~30
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When disconnect the connector (1) on the,
MAIN PWB ASSEMBLY is the resistance of the
natural connectors (White),
between 2.5k to 180k
(105 ~0 )?
When checking THERMISTOR on the tub is the
THERMISTOR loosened above 2mm from
the rubber?
) during
YES
1 2 3
NO
?
(Blue/White)
4 3
2 1
YES
24
Replace the MAIN PWB
NO
ASSEMBLY
YES
Normal
NO
Replace the
HEATER ASSEMBLY
Replace the THERMISTOR
NO
(6322FR2046B)
Push the THERMISTOR
YES
tightly to the rubber.