LG WM2477HS Service Manual ▷ View online
20
8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION
8. ERROR DIAGNOSIS AND CHECK LIST
SYMPTOM
GUIDE FOR SERVICE CALL
No power
Water inlet trouble
YES
YES
YES
NO
NO
YES
NO
NO
Is the power plug connected firmly to
120 V AC outlet?
120 V AC outlet?
Power failure? or Breaker opened?
Is the outlet controlled by a switch?
Is the outlet controlled by a switch?
Visit to service.
Is displayed?
Is the tap opened?
Is the tap frozen?
Is the water supply shut-off?
Is filter in the inlet valve clogged with
foreign material?
foreign material?
Visit to service.
Clean the filter of
inlet valve
inlet valve
21
SYMPTOM
GUIDE FOR SERVICE CALL
Door error
Drain trouble
Was the load too large?
Visit to service.
Visit to service.
22
SYMPTOM
GUIDE FOR SERVICE CALL
Suds overflow from the
appliance.
(In this condition, wash and
spin do not operate normally)
appliance.
(In this condition, wash and
spin do not operate normally)
YES
YES
YES
YES
SOFTENER
MAX
Is a low-sudsing detergent used?
Is the proper amount of detergent used
as recommended?
as recommended?
Recommend to reduce the amount
of detergent.
of detergent.
Is liquid laundry product put in the correct
compartment of the dispenser?
compartment of the dispenser?
Is the cap clogged?
Explain proper use of liquid laundry products.
Clean the compartment.
Visit to service.
LOW-SUDSING
This appliance has an automatic suds sensing function which
prevents overflow.
prevents overflow.
When excessive suds are sensed, the suds removing
implementations such as drain, water input, pause will operate,
without rotating the drum.
implementations such as drain, water input, pause will operate,
without rotating the drum.
Liquid laundry products do not
flow in.
flow in.
23
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
Connector
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
WH
SB
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
WH
SB
Is the supplied voltage 110/120 V AC?
Is the voltage between the 2 FILTER ASSEMBLY
connectors 120 V AC?
connectors 120 V AC?
Is the LED (1) on?
Are the connectors (2) on the PWB loose?
Is wire of the DISPLAY PWB ASSEMBLY
broken?
broken?
Replace DISPLAY PWB ASSEMBLY
or repair wire.
or repair wire.
Check the fuse or reset
the circuit breaker.
the circuit breaker.
Replace the FILTER
ASSEMBLY (CIRC).
ASSEMBLY (CIRC).
Replace MAIN PWB
ASSEMBLY.
ASSEMBLY.
Reconnect.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
NO POWER
8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING
1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
CAUTION
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