Read LG WM0742HGA Service Manual online
23
NO WATER SUPPLY
DETERGENT DOES NOT FLOW IN
Is water supply shut-off?
Is the tap opened?
Is the inlet valve filter clogged?
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?
compartment of the dispenser?
Is the detergent caked or hardened?
Open the tap.
Check the AIR CHAMBER
and the tube (clogged).
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.
Clean the dispenser.
Put the detergent in the
correct place.
correct place.
: Detergent
Pre-wash
Main wash
NO
YES
NO
NO
YES
YES
YES
YES
When you press both WASH/RINSE button and
DELAY WASH button simultaneously, is the water
level frequency below 246?
DELAY WASH button simultaneously, is the water
level frequency below 246?
NO
YES
YES
NO
NO
NO
NO
NO
YES
Is resistance between each terminal of INLET
VALVE ASSEMBLY 0.8-1.2kΩ?
VALVE ASSEMBLY 0.8-1.2kΩ?
Verify the voltage of the inlet valve connector is
120V AC.
(Refer to 7-2 QC TEST MODE)
120V AC.
(Refer to 7-2 QC TEST MODE)
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