Heating Without Water - LG WD-10120FD Service Manual

MAIN PWB ASSEMBLY
220-240V
2 1
MAIN PWB ASSEMBLY

HEATING WITHOUT WATER

When pressing Rinse and Spin at the same time after
draining, is the water level frequency 252 or more?
When pressing Rinse, Spin buttons at the same time
while wash, is the water level frequency between
230 - 243 ?
Checking voltage between two pins as press the
POWER button is the voltage 220 - 240V~?
DRAIN MALFUNCTIONING
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of the drain pump cut-off?
(resistance of coil is 90~160 )
When checking voltage between connectors
( , ) on spinning, is the voltage 220 - 240V~
as the figure?
YES
NO
NO
NO
NO
22
Replace the
NO
S.PRESSURE SWITCH
ASSEMBLY
Replace the MAIN PWB
YES
ASSEMBLY
Repair the DRAIN HOSE
YES
ASSEMBLY.
YES
Remove foreign material.
Reconnect or repair the
YES
connector
Repair the DRAIN PUMP
YES
ASSEMBLY.
Repair the MAIN PWB
NO
ASSEMBLY.