LG Wd 80490t Service Manual

							10
5. OPERATION
Water temperature
selector
Press the button to select
water temperature.
The water temperature 
[60
C ➔95C➔Cold ➔
30
C ➔40C] can be
selected in Cotton. 
95C  is selected for Cotton
and Baby Care.
Option
Rinse+
Used to additional rinse, which may
assist in removing traces of detergent
residue.
• By selecting Rinse+ function, the rinse
time and the rinse water are increased.
Pre Wash
If the laundry is heavily soiled, “Pre
Wash” course is effective.
Pre Wash is available in Cotton and
Synthetic Program.Crease Care
If you want to prevent crease,
select this button with spin speed.
Bio
• If you want to eliminate protein
stains(milk, blood, chocolate...), 
you may select Bio by pressing the
option button.[You can select Bio
when temperature is higher than
60°C in Cotton, Synthetic and Baby
Care.]
LED display
• Display the estimated
remaining time
(Hour:Minute) to finish.
• In case of abnormal
operation, error indications
are dispayed.
(                                       )
• See troubleshooting guide.
Child - lock
NOTE
If the Program lamps are blinked at the same time after the 
power off or the end of the washing, the child lock mode is set. 
Cancel the child lock mode by pressing the [Temp.] and the [ Option]
button simultaneously for 3 seconds.
Child Lock system can be set and canceled by pressing both
[Temp.] and [Option] button simultaneously for 3 seconds.
Once Child Lock is set, all buttons are not functioning except
power button.
Child Lock system can be set anytime even during Power-off
and operation.
It is automatically cancelled when an operational error occurs. 
  
						

							11
Start/Pause button
Use the button to start or pause
wash cycle.
The power turn off automatically
4 minutes after the pause button
is pressed.
Spin
WD-10480S/N/T
WD-10490S/N/T
Rinse Hold ➔No Spin ➔ 400
➔ 800 ➔ 1000
WD-80480S/N/T
WD-80490S/N/T
Rinse Hold ➔No Spin ➔ 400
➔ 800
Time
Time Save
By selecting the Time Save option, the wash time may
be reduced, depending on the program selected.
Time Delay
Press the button when reservation washing is needed.
When the button is pressed, [          ] is displayed,
maximum delay of [          ] hours can be set.
Each press advances time delay by the hour.
Use [Power] button to cancel [Time Delay]
[Time Delay] means the time required from the present
to the completion of washing.
Wash program selector
8 programs can be set depending on the type of the laundry.
By turing the dial (pressing the button : WD-10490S/N/T,
WD-80490S/N/T )
[Cotton ➔ Baby Care ➔ Synthetic ➔ Delicate ➔  
Hand Wash/Wool ➔ Quick 30 ➔ Rinse+Spin ➔ Spin]
can be selected.
Power button
Press the button to turn
on and off.
  
						

							12
6. WIRING DIAGRAM/ PROGRAM CHART
YL BK
WASHING
HEATER
BLYL
* Water Supply : WÆS        * Intermittent Spin : IÆS        * Disentangle : DÆT
*                       Basic Cycle
*                       Optional Cycle                                                                                
* Pre-Setting Time : Water Supply - 120 sec.                                                         * Basic time is minute i
                                    Drain          -   60 sec.                                                          * The
* ~ Time for varies as the temperature or      the amount of laundry                          water temperature or ambient te
WashingRinseSpin
W
Æ
S
PreMain
WashingDrainI
Æ
SW
Æ
SRinsingWashingStaycoolingHeatingWashingDrainW
Æ
S
12376549810
Normal
DrainI
Æ
S
1112
1
W
Æ
SRinsing
1314
DrainI
Æ
S
1516
2
W
Æ
SRinsing
1718
DrainI
Æ
S
1920
W
Æ
SRinsing
2122
DrainI
Æ
S
2324
W
Æ
SRinsing
2526
Rinse +
DrainSpinDÆT
A
U
T
O
O
F
F
34
27282920
E
N
D
20
Cotton
Normal
Working
Time
(Hour:Minute)
About 2:57(54)
120MIN60MIN120240601206060240120360602401203606024012036060240120360604801202020
C
   Y
      C
         L
           ES
  T
    E
      P C
O
U
R
S
E Time
   (SEC)
858
~
95
Synthetic
Delicate
Baby Care
About 2:10(07)
About 1:03
About 2:57(54)
About 1:09
4
18
SpinAbout    14(11)
❇ (  ) : WD-8048(9)0S/N/T
Rinse
+ SpinAbout    22(19)
4
18
4
~
24
Handwash/Wool24Quick 30About    30
❋Pre Wash : •If the laundry is heavily soiled, “Pre Wash” course is effective.
❋Time Save : • This option can be used to reduce the time of a wash program.
• To use this option press the Time Save button once before the wash program is started.
• This option is not available with Quick 30 program.
❋Rinse+ : • Used to additional rinse, which may assist in removing traces of detergent residue.
• By selecting Rinse+
function, the rinse time and the rinse water are increased.
❋Crease Care : • If you want to prevent crease, select this button with spin speed. 
❋Bio : • If you want to eliminate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the
option button.
  
						

							7-1. BEFORE PERFORMING SERVICE

						

							14
7-5.ERROR DISPLAY.
ERROR SYMPTOM CAUSE
1WATER INLETWater has not reached to the pre-set level within 4 min. since
ERRORinlet valve operated, or water has not reached to the normal
level within 25 min.
2IMBALANCEThe appliance is tilted. 
ERRORLaundry 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.
5SENSOR PRESSURE
The sensor pressure switch is out of order.S/W ERROR
6DOOR OPENThe 
[Start/Pause]button is pressed with the door open.
ERROR
The door switch is out of order.
7HEATING
ERROR
The thermistor is out of order.
If you press the ¥
¥[Start/Pause]button when an error is displayed, any error except S/W ERRORwill disappear
and the machine will change into pause status.
In case of   if the error is not resolved within 20 sec. In the case of other
errors, if the error is not resolved within 4 min. power will be turned off automatically and the error code will be
blinked. But in case of  , power will not be turned off. 
,,,
  
						

							15
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
  
						

							16
SYMPTOM GUIDE FOR SERVICE CALL
DOOR OPEN ERROR
Refer to 
7-3 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. 
  
						

							17
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.
  
						

							18
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
NOYES
YES
YES
NO
NO YES
PWB ASSEMBLY
12
Check the fuse 
Check the harness
Assembly. When measuring the voltage of the outlet, 
is the voltage AC 220-240V?
When measuring the voltage of pin 
						

							19
NO
YES
NO
YESNO
YES
NO
NO
YES
YES
YESNO
NO
NO
YES
Wiring diagram
option (HOT)
option (HOT)
MAIN WASH
: Detergent 
WASHPRE -
WMAIN
SOFTENERASH
MAXmax
Is the water supply shut-off?
Is the tap opened?
Is the inlet valve filter clogged with impurity?
Is resistance of the inlet valve connector 
between the 2 to 8
kΩ?
Check the voltage between each terminals of
inlet Valve is 220 - 240V~.
(Refer to 7-2 TEST MODE)
Is water supplied?
Are receptacles correctly connected to the
terminals of inlet valve?
Is detergent put in the correct compartment of
the drawer?
Is the detergent caked or hardened?Open the tap.
Clean the filter.
Replace the inlet valve.
Replace PWB assembly
Refer to solution
NO INLET
Check the wiring on the
dispenser.
Put the detergent in the
correct position 
PRE+MAIN
Clean the drawer.
NO WATER SUPPLY
DETERGENT DOES NOT FLOW IN