LG WM1355HW Service Manual ▷ View online
20
NO
YES
NO
NO
YES
NO
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
YES
Is water supply shut-off?
Is the tap opened?
When you press both Intensive button and
Option(Left) button simultaneously, is the water
level frequency below 240?
Option(Left) button simultaneously, is the water
level frequency below 240?
Is the inlet valve filter clogged with impurity?
Is resistance between each terminal of INLET
VALVE ASSEMBLY is 2~8
VALVE ASSEMBLY is 2~8
k
Ω
?
Check the voltage of the inlet valve connector
220-240V~.
(Refer to 7-2 QC TEST MODE)
Is water supplied?
Are replaceptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?
terminals of the INLET VALVE ASSEMBLY?
Is detergent put in the correct compartment of
the drawer?
the drawer?
Is the detergent hardened?
Open the tap.
Check the AIR CHAMBER
and the tube clogged
with impurity.
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+MAIN
MAIN WASH
: Detergent
Clean the drawer.
NO WATER SUPPLY
DETERGENT DOES NOT FLOW IN
21
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
A B N O R M A L S O U N D
S O F T E N E R D O E S N O T F L O W I N
Fix the bolt tightly.
Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.
ASSEMBLY or ROTOR
ASSEMBLY.
Refer to
^NO WATER SUPPLY_
Check the wiring on the
dispenser.
dispenser.
Put it in the correct
compartment.
compartment.
Clean the cap and
drawer.
drawer.
Is the motor bolt loosened?
Is there friction noise from the motor?
Is water supplied?
Are receptacles correctly connected to the terminals
of the INLET VALVE ASSEMBLY?
of the INLET VALVE ASSEMBLY?
Is softener put in the correct compartment of the
drawer?
Is the softener cap clogged?
22
Replace the
S.PRESSURE SWITCH
ASSEMBLY
Replace the POWER
PWB ASSEMBLY
PWB ASSEMBLY
Repair the DRAIN
HOSE ASSEMBLY.
HOSE ASSEMBLY.
Remove foreign
material.
material.
Reconnect or repair the
connector
connector
Repair the DRAIN
PUMP ASSEMBLY.
PUMP ASSEMBLY.
Repair the MAIN PWB
ASSEMBLY.
ASSEMBLY.
When pressing Intensive and Option(Left) at the
same time after draining, is the water level frequency
248 ~ 262 or more?
When pressing Rinse and Temp. buttons at the
same time while wash, is the water level
frequency between 230 - 243?
same time after draining, is the water level frequency
248 ~ 262 or more?
When pressing Rinse and Temp. buttons at the
same time while wash, is the water level
frequency between 230 - 243?
Checking voltage between two pins (Connector
RD
RD
① & YL ②) as press the POWER button is the
voltage 220-240V~?
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of the drain pump cut-off?
(resistance of coil is 80~150
Ω)
When checking voltage between connectors
(
①
,
④
)on spinning, is the voltage 220-240V~
as the figure?
HEATING WITHOUT WATER
D R A I N M A L F U N C T I O N I N G
23
WH/RD
(Refer to the 7-2 QC Test Mode)
BLUE
Option(Left) and Temp.
temperature?
button simultaneously
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
Click on the first or last page to see other WM1355HW service manuals if exist.