LG WD-12270RD Service Manual ▷ View online
16
ERROR SYMPTOM
CAUSE
OVER
CURRENT
ERROR
• MAIN PWB ASSEMBLY is out of order.
• Winding in the STATOR ASSEMBLY is short-circuited.
• The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector
(3-pin, female, white) of STATOR ASSEMBLY.
(3-pin, female, white) of STATOR ASSEMBLY.
• The electric contact between the connectors
(3-pin, male, white) in the MOTOR HARNESS
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR
ASSEMBLY and MAIN PWB ASSEMBLY is cut (open
circuited).
circuited).
• The hall sensor is out of order/defective.
8
9
LOCKED
MOTOR
ERROR
• Loose Ball Sensor Connector.
• Ball Sensor is out of order.
• Ball Sensor is out of order.
※ Displayed only when the START/PAUSE button is first
pressed in the QC Test Mode.
10
BALL SENSOR
ERROR
• The washer experienced a power failure.
• The Dry Heater is out of order.
- Replace the Dry Heater
• The connector of the Dry Heater is not connected
properly to the connector in the main PWB ASSEMBLY.
- Reconnect or repair the cannector.
- Reconnect or repair the cannector.
• The Dry Fan Motor is out of order.
-Replace the fan motor.
12
13
POWER
FAILURE
DRY HEATER
ERROR
• EEPROM is out of order.
※ Displayed only when the START/PAUSE button is first
pressed in the QC Test Mode.
11
EEPROM
ERROR
17
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
220~240 V AC outlet?
220~240 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
18
SYMPTOM
GUIDE FOR SERVICE CALL
Door error
Drain trouble
Was the load too large?
Visit to service.
Visit to service.
19
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
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.
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