Read LG WD-12121TD Service Manual online
13
7-1.BEFORE PERFORMING SERVICE
■
Be careful of electric shock or disconnecting the parts while trouble shooting.
■
Voltage of each terminal in 220-240V and DC while applying an electric current.
7-2.QC TEST MODE.
①
①
Press Wash and Spin buttons simultaneously.
②
②
Press Power with above two buttons pressed and then buzzer will sound.
③
③
Press the START/PAUSE button as follows.
~
Press the START/PAUSE button more 4 times until stop spinning
₩
7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Rinse button and Spin button simultaneously.
ex) 241 : Water level frequency = 241
×
10-1kHz
= 24.1kHz
7. TROUBLESHOOTING
The digits means water level frequency (10
-1
kHz)
Pressing number of
[
START/PAUSE
]
button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin (right)
Motor rpm (About 47)
2 times
Low speed Spin
Motor rpm (About 590~650)
3 times
High speed Spin
Motor rpm (About 1160~1200) : WD-10121(6)TD / WD-12121(6)TD
Motor rpm (About 1360~1400) : WD-14121(6)TD
4 times
Inlet valve for pre-wash operation
Water level frequency (225~265)
5 times
Inlet valve for main-wash operation
Water level frequency (225~265)
Hot inlet valve in case of hot water fill
6 times
Inlet valve for main-wash operation
Water level frequency (225~265)
7 times
Counterclockwise spin (left)
Motor rpm (About 47)
8 times
A Heater is in operation for 3 sec.
Water Temperature
9 times
Draining pump operation
Water level frequency
10 times
Auto off operation
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