Read LG WS-12091TD Service Manual online
22
HEATING WITHOUT WATER
When pressing Rinse and Medic Rinse at
the same time after draining, is the water
level frequency 248~262 or more?
When pressing Rinse and Temp. buttons
at the same time while wash, is the water
level frequency between 230 - 243?
Checking voltage between two pins
(Connector RD & YL )as press
the POWER button is the voltage
220-240V~?
(Connector RD & YL )as press
the POWER button is the voltage
220-240V~?
Replace the
S.PRESSURE
SWITCH ASSEMBLY.
Replace the MAIN
PWB ASSEMBLY.
YES
YES
NO
DRAIN MALFUNCTIONING
Is the drain hose twisted or frozen?
Repair the DRAIN
HOSE ASSEMBLY.
HOSE ASSEMBLY.
NO
YES
Is the impeller of the drain pump clogged?
Remove foreign
material.
material.
NO
YES
Is the connector disconnected,
disassembled?
disassembled?
Is the coil of the drain pump cut-off?
(resistance of coil is 80~150
Ω
)
When checking voltage between
connectors ( , )on spinning, is the
voltage 220-240V~ as the figure?
Repair the DRAIN
PUMP ASSEMBLY.
Repair the MAIN PWB
ASSEMBLY.
Reconnect or repair the
connector.
connector.
NO
NO
YES
NO
YES
1
4
AC 220V~240V
<PWB ASSEMBLY (MAIN)>
1
1
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