Heating Without Water - LG WD-14331(6)AD Service Manual

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

HEATING WITHOUT WATER

When pressing Rinse Hold after draining, is the
water level frequency 248 ~ 262 or more?
When pressing Rinse Hold while wash, is the
water level frequency between 230 - 245?
Checking voltage between two pins as press
the POWER button is the voltage 220-240V~?
D R A I N M A L F U N C T I O N I N G
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 80~150Ω)
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
YES Replace the MAIN PWB
ASSEMBLY
YES Repair the DRAIN HOSE
ASSEMBLY.
YES
Remove foreign
material.
Reconnect or repair the
YES
connector
Repair the DRAIN PUMP
YES
ASSEMBLY.
Repair the MAIN PWB
NO
ASSEMBLY.