LG WD(M)-16350(5)FD Service Manual page 23

MAIN PWB ASSEMBLY
220-240V
1 2
MAIN PWB ASSEMBLY
HEATING WITHOUT WATER
When pressing Time Delay and Rinse + at the same
time after draining, is the water level frequency 255
or more? When pressing Time Delay, Rinse +
buttons at the same time while wash, is the water
level frequency between 230 - 243 ?
YES
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?
NO
NO
NO
NO
22
Replace the
NO
S.PRESSURE SWITCH
ASSEMBLY
NO
Replace the MAIN PWB
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.