Read LG F1220ND5 Service Manual online
24
WASH HEATER TROUBLE
When checking the voltage between
connector ( , ) the PWB assembly
(Main) during cotton 95°C washing ,Is
the voltage 220 - 240V ~ ?
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10Ω to 30Ω?
(RED-YELLOW) connectors between
10Ω to 30Ω?
After power off and the heater terminal
is disconnected, is the resistance
10 to 30Ω?
is disconnected, is the resistance
10 to 30Ω?
Replace the PWB
assembly (Main)
Normal
Replace the
heater assembly
YES
NO
NO
YES
NO
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When disconnect the connector (1) on
the PWB assembly (Main) is the
resistance of the Red connectors [
(BL/WH), (SBL)] between 2.5kΩ to
180kΩ (105°C
180kΩ (105°C
0°C
When checking thermistor on the tub,
is the thermistor loosened above 2mm
from the rubber?
Replace the thermistor
(6322FR2046C)
Push the thermistor
tightly to the rubber.
YES
NO
YES
220-240V~
PWB ASSEMBLY (MAIN)
1
2
3
RED
YELLOW
1
2
3
4
3
4
(1)
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