No Water Supply - LG WD14750SD Service Manual

NO WATER SUPPLY

Is water supply shut-off?
Is the tap opened?
When you press both Rinse button and Medic
Rinse button simultaneously, is the water level
frequency below 40?
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
220-240V~.
(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?
NO
YES
NO
NO
k
?
YES
YES
YES
YES
20
NO
Open the tap.
Check the AIR CHAMBER
YES
and the tube clogged
with impurity.
YES
Clean the filter.
Replace the INLET VALVE
NO
ASSEMBLY.
NO
Replace the MAIN PWB
ASSEMBLY
NO
Refer to
NO WATER SUPPLY
Check the wiring on the
NO
dispenser.
Put the detergent in the
correct position
NO
PRE+MAIN
MAIN WASH
: Detergent
YES
Clean the drawer.