Read LG WM2550HVCA Service Manual online
28
NO
YES
NO
NO
YES
NO
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
YES
SOFTENER
MAX
Is water supply shut-off?
Is the tap opened?
When you press both
CUSTOM PROGRAM
button and
PRE-WASH
button simultaneously, is
the water level frequency below 246?
Is the inlet valve filter clogged?
Is resistance between each terminal of INLET
VALVE ASSEMBLY 0.8-1.2
VALVE ASSEMBLY 0.8-1.2
kΩ
?
Verify the voltage of the inlet valve connector is
120 V AC.
(Refer to 7-2 QC TEST MODE)
Is water supplied?
Are receptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?
terminals of the INLET VALVE ASSEMBLY?
Has detergent been put in the correct compartment
of the dispenser?
of the dispenser?
Is the detergent caked or hardened?
Open the tap.
Check the
AIR CHAMBER
and the tube (clogged).
Clean the filter.
Replace the INLET VALVE
ASSEMBLY.
ASSEMBLY.
Check electrical connection.
Replace the MAIN PWB
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
Refer to
「
NO WATER SUPPLY
」
Check the wiring.
Put the detergent in the
correct place.
correct place.
Clean the dispenser.
NO WATER SUPPLY
DETERGENT DOES NOT FLOW IN
Prewash
Hot water
Main wash
Steam
Bleach
Prewash
Hot water
Main wash
Steam
Bleach
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