LG / GOLDSTAR WD-1488FHD
Service Manual

WASH HEATER TROUBLE
MAIN PWB ASSEMBLY
2

When checking the voltage between connectors ( 1 , 2 ) during whites washing, Is the voltage
1

NO

Replace the MAIN PWB ASSEMBLY

220 - 240V ~ ?

220 - 240V~

YES
After power off,is the resistance of wire (RED-YELLOW) connectors between 10 ~30 ?
1 2 3

YELLOW

RED

YES

Normal

NO
After power off and the heater terminal is disconnected, is the resistance 10~30 ?

NO

Replace the HEATER ASSEMBLY

HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE
MAIN PWB ASSEMBLY
2

(1)

4

When disconnect the connector (1) on the, MAIN PWB ASSEMBLY is the resistance of the natural connectors (Blue/White), (Sky blue) between 2.5k to 180k (105 ~0 )? 1 2 3
4 5 6

Replace the THERMISTOR

NO

(6322FR2046B)

YES
When checking THERMISTOR on the tub is the THERMISTOR loosened above 2mm from the rubber?

YES

Push the THERMISTOR tightly to the rubber.

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