LG WM3431H Series Service Manual page 29

Is
Is the tap opened?
Is the inlet valve filter clogged?
Is resistance between each terminal of
INLET 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)
28
Replace the INLET
VALVE ASSEMBLY.
Check electrical connection.
Replace the MAIN PWB
ASSEMBLY