Read LG W120FN Service Manual online
36
4-6. TEST RUNNING WITHOUT WATER
1) METHOD TO USE QC TEST MODE
Check method
No.
Check points
Start/Pause
Errorr
Remedy
KEY PUSH Press
Load
Display
1
LED
Begining point
Buzz once
�
LED on all
-
�
Check pressure
and
�
No.200 displayed
S/W assembly.
Pressure
Sensor
LEVEL
�
No.264~270 is
�
Check connector.
(check level)
displayed.
�
Replace
controller's IC3.
2
Motor
Press once
�
Pulsator
�
No.70~125 is
�
Check in unload
rotates to
displayed.
condition.
left four
�
Check connector.
times and
�
Check driving
right four
part (Motor,
times.
Clutch, V-belt,
Capacitor).
Capacitor).
3
Cold water valve
Press twice
�
Cold
valve
-
starts.
4
Hot water valve
Press three time
�
Hot water
�
Top filter of supply
valve
valve is clogged
starts
with dregs.
�
Check connector.
Check if TR3(hot)
TR4(cool) and
TR4(cool) and
5
Shower valve
Press four times
�
Shower
TR5(shower) are
valve
ON in load driving
starts
-
Part of connector
asm.
asm.
6 Check drain valve
Press five times
�
Drain valve
�
Check door.
ON(Turbo
Door
�
Check drain hose
Drum).
error
and drain motor.
(Buzz
�
Check connector.
continued)
�
Check TR6 in
controller asm.
controller asm.
7
Check the drain
Press Six times
�
Drain Pump
�
Check drain pump
Pump.
ON
�
Check TR8 in
�
Drain Valve
controller asm.
ON
�
Check connector.
8 Check the AUTO Press Seven times
�
Power off
�
LED off
OFF switch.
within 1
sec.
50Hz
60Hz
Normal condition
sensor
Frequency
display
▶
To use check program (QC test mode), power ON with water temperature and water level.
Key pressed in non-load empty water.
Click on the first or last page to see other W120FN service manuals if exist.