LG DWD-1074FB Service Manual ▷ View online
ERROR
SYMPTOM
CAUSE
8
9
10
• The electric contact between the connectors
(5-pin, male in the wire harness and 5-pin female in the hall sensor) is
bad or unstable.
Reconnect or repair the contact in the connector.
• The connector (6-pin, male, natural) in the wire harness is not
connected to the connector (6-pin, female, natural) of PWB assembly
(Main) or the electric contact of connectors is bad/unstable.
Reconnect or repair the contact in the connector.
• The electric contact between the connectors
~6-pin, male in the wire
harness and 6-pin female in the controller (Main)
₩is bad or unstable.
Reconnect or repair the contact in the connector.
• The wire harness between hall sensor in the MOTOR and PWB
assembly (Main) is cut (open circuited).
Repair/replace the damaged WIRE HARNESS.
• The hall sensor is out of order/defective.
Replace the motor.
• The controller (Main) is out of order/defective.
Replace the PWB assembly (Main).
• PWB assembly (Main) is out of order.
Replace the PWB assembly (Main).
• Winding in the MOTOR is short-circuited.
Replace the MOTOR.
• The connector (3-pin, male, white) in the wire harness is not connected
to the connector (3-pin, female, white) of MOTOR.
Reconnect or repair the connector.
• The electric contact between the connectors
~3-pin, male, white in the
wire harness and 6-pin, female, white in the PWB assembly (Main)
₩is
bad or unstable.
Reconnect or repair the contact in the connector.
• The wire harness between the MOTOR and PWB assembly (Main) is
cut (open circuited).
Repair the damaged (open-circuited) WIRE HARNESS.
• The hall sensor is out of order/defective.
Replace the PWB assembly (Main).
SENSOR
ERROR
CURRENT
ERROR
LOCK
ERROR
16
17
9-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION
9. 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?
is the outlet controlled by a switch
Visit to check.
Is
I E
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
18
SYMPTOM
GUIDE FOR SERVICE CALL
DOOR OPEN ERROR
Refer to
7-4 ERROR DISPLAY
7-4 ERROR DISPLAY
Drain trouble
NO
YES
YES
NO
NO
YES
Did you press the Start/Pause button when
the door is open?
Visit to check.
Check if the door switch is O.K
Is O E displayed?
Is the debris filter clogged with foreign
material such as pins, coins, and etc.?
Is the drain hose frozen with water, kinked,
or crushed?
Visit to check.
Close the door
Clean up
the filter.
the filter.
19
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 amount
of detergent.
Is softener put in the correct compartment of
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
DETERGENT
Compartment for
softener
softener
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, the suds removing function such
as drain, water input, and pause will operate without rotating the
drum.
as drain, water input, and pause will operate without rotating the
drum.
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