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...

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...

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....

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...

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...

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...