LG WD-12031TD Service Manual ▷ View online
16
8-1.DIAGNOSIS AND ANSWER 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
220-240V~ outlet?
Power failure? or Breaker opened?
Visit to check
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?
Visit to check
Clean the filter of
inlet valve
inlet valve
17
SYMPTOM
• DOOR DOES NOT
OPEN
• ERROR DISPLAYED
ON THE PROGRAM
OPEN
• ERROR DISPLAYED
ON THE PROGRAM
• DRAIN TROUBLE
• POWER FAILURE
GUIDE FOR SERVICE CALL
NO
YES
NO
YES
Started with door opened?
NO
YES
Is the debris filter clogged with foreign
material such as pin, coin and etc.?
Is the drain hose frozen with water,
kinked or crushed?
Visit to check
Restart the cycle
Close the door
Visit to check
Check if the door switch is O K.
Is " " displayed?
Clean up
the filter.
the filter.
.
18
SYMPTOM GUIDE FOR SERVICE CALL
°Suds overflow from the
appliance.
(In this condition, wash and
spin do not operate
normally)
°No effect of softener
YES
YES
YES
YES
YES
Is low-sudsing detergent for the drum
washing machine used?
Is the proper amount of detergent used
as recommended?
Recommend to reduce the using amount
of detergent.
Is softener put in the correct compartment of
the drawer?
Is the drawer closed during wash?
Is the softener cap clogged?
Explain how to use softener
< Clean the compartment for softener >
Visit to check
LOW-SUDSING
This appliance has the automatic suds sensing function which
operates under much suds condition for good rinse and
preventing overflow.
operates under much suds condition for good rinse and
preventing overflow.
When much suds are sensed, suds removing function such as
drain, water input and pause will operate without rotating the
drum.
drain, water input and pause will operate without rotating the
drum.
19
8-2.FAULT DIAGNOSIS AND TROUBLE SHOOTING
1. Be careful of electric shock or disconnecting the parts while trouble shooting.
2. First of all, check the connection of each part terminal with wiring diagram.
3. If you replace the PWB ASSEMBLY, Put in the connectors correctly.
NO
NO
YES
YES
YES
NO
NO
YES
<PWB ASSEMBLY (Power)>
<PWB ASSEMBLY (MAIN)>
Check the fuse?
Replace MAIN PWB
ASSEMBLY
ASSEMBLY
Reconnect the PWB
ASSEMBLY
ASSEMBLY
Reconnect the PWB
ASSEMBLY
ASSEMBLY
When measuring the voltage of the outlet,
is the voltage AC 220-240V~?
Is the led(1) on?
Is connector(2) disconnected or
disassembled?
Is wire of the PWB ASSEMBLY disconnected?
Replace PWB ASSEMBLY
NO POWER
CAUTION
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