LG Wd 10164n Service Manual

							10
5. OPERATION
LED display
Display the estimated remaining time
(Hour : Minute) to finish.
In case of abnormal operation, error
indications are displayed.  
(                                                  )
See troubleshooting guide.
Eco
It is possible in cotton
course when 60
C
Power button
Press the button to turn power on and off.
Press the button to cancel the time delay.
Start/Pause button
Use the button to start or pause wash
cycle.
The power turns off automatically 4 minutes
after the pause button is pressed.
Wash program selector
8 program can be set
depending on the type of the
laundry.
If the power button is pressed,
all lamps are on
By turning the dial, [Cotton
Delicate Quick 30 
Rinse + Spin Spin Hand
Wash
Wool Synthetic]
can be selected.
(The opposite is possible)
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Child - Lock
IChild Locksystem can be set and canceled by pressing and
holding both [Spin] and [Crease Care] button simultaneously
more than 2 seconds.
IOnce Child Lockis set, all buttons are inoperable.
IChild Lock system can be set anytime even during Power-
off and operation.
IIt is automatically cancelled when an operational error occur.
Spin
IWD(M)-80150FB I
						

							12
6. WIRING DIAGRAM/ PROGRAM CHART
 
42
87
26
51
11
58
58
57
2:35(2:34)
❋Pre Wash : If the laundry is heavily soiled, “Pre Wash” course is effective. Pre Wash is available in Cotton and Synthetic Program.
❋Eco : By selecting Eco function, the water temperature is reduced and washing time is lengthened. So you can economize in your
consumption of energy.
❋Rinse+ : If you wish to rinse more, the Rinse+ function will remove any trace of detergents.
❋Bio : If you want to eliminate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the option button.
❋Quick 30 : By selecting this function, you may wash a small quantity of colored laundry which is lightly soiled fast.
❋You can select Bio function and Eco function when temperature is higher than 60˚Cin Cotton and Synthetic. If the function is
selected, the beginning water temperature can not be changed.

						

							7-1.BEFORE PERFORMING SERVICE

						

							14
7-4.ERROR DISPLAY.
If you press the Start/Pausebutton any error except  will disappear and the machine will change
into pause status.
In case of if the error is not resolved within 20 sec. In case of other errors, if the
error is not resolved within 4 min. Power will be turned off automatically and the error only will be
blinked. But in the case of 
, power will not be turned off.
ERROR  SYMPTOM
1WATER INLETWater has not reached to the pre-set level within 4 min. since
ERROR inlet valve operated, or water has not reached to the normal
level within 25 min.
2IMBALANCE
The appliance is tilted. 
ERROR
Laundry is gathered to one side.
Non distributable things are put into the drum.
3DRAIN ERROR
Water has not drained enough within 5 min.
4OVERFLOW
Water is automatically being pumped out because too much
ERROR water is in the tub.
5
SENSOR PRESSUREThe sensor pressure switch is out of order.
S/W ERROR
6DOOR OPEN
The Start/Pausebutton is pressed with the door open.
ERROR
The door switch is out of order.
7HEATING
ERROR
The thermistor is out of order.
8SENSOR
The connector (5-pin, male, white) in the wire harness is not 
ERROR connected to the connector (5-pin, female) of hall sensor in 
the MOTOR.
Reconnect or repair the contact in the connector.
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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
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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?
Is the outlet controlled by a switch.
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
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SYMPTOM GUIDE FOR SERVICE CALL
DOOR OPEN ERROR
Refer to 
7-4 ERROR DISPLAY
Drain Trouble
NOYES
YES
NO
NO
YES
Did you press the Start/Pausebutton when
the door is open?
Visit to check
Check if the door switch is O.K 
Is  displayed?
Is the debris filter clogged with foreign
material such as pins, coins, etc.?
Is the drain hose frozen with water, kinked, or
crushed?
Visit to check Close the door 
Clean up 
the filter. 
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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 durm
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
This appliance has the automatic suds sensing function which
operates under much suds condition for good rinse and
preventing overflow.
When much suds are sensed, the suds removing fuction such as
drain, water input, and pause will operate without rotating the
drum.
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8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING
1. Be careful of electric shock or disconnecting the parts while troubleshooting.
2. First of all, check the connection of each part terminal with wiring diagram.
3. If you replace the PWB assembly (Main), put in the connectors correctly.
CAUTION
NO
NO
NO
YES YES
YES
YES
NO
NOYES


(1)
(6) (5)
(2)
Check the fuse?
Replace PWB assembly 
(Main)
Replace PWB assembly
(Main)
Reconnect the PWB
assembly (Display)
Reconnect the PWB
assembly (Display) When measuring the voltage of the outlet, 
is the voltage AC 220-240V?
Is the LED (1) on?
When measuring the voltage of natural
connector (5,6) is the voltage DC 10~16.5V?
Is connector (2)  disconnected or
disassembled?
Is wire of the PWB assembly (Display)
disconnected?
Replace PWB assembly (Display)
NO POWER
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