LG WM1377HW Service Manual page 22

NO WATER SUPPLY
Is water supply shut-off?
Is the tap opened?
When you press both Water plus button and
Option(Left) button simultaneously, is the water
level frequency below 255?
Is the inlet valve filter clogged with impurity?
Is resistance between each terminal of INLET
VALVE ASSEMBLY is 2~8
Check the voltage of the inlet valve connector
113-127V~.
(Refer to 7-2 QC TEST MODE)
DETERGENT DOES NOT FLOW IN
Is water supplied?
Are replaceptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?
Is detergent put in the correct compartment of
the drawer?
Is the detergent hardened?
kΩ
?
21
Open the tap.
Check the AIR CHAMBER
and the tube clogged
with impurity.
Clean the filter.
Replace the INLET VALVE
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY
Refer to
NO WATER SUPPLY
Check the wiring on the
dispenser.
Put the detergent in the
correct position
PRE+MAI N
MAIN WASH
: Detergent
Clean the drawer.