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Troubleshooting; Before Performing Service; Qc Test Mode; How To Know The Water Level Frequency - LG WD(M)-14400(5)TB Service Manual

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7. TROUBLESHOOTING

7-1. BEFORE PERFORMING SERVICE

Be careful of electric shock or disconnecting the parts while troubleshooting.
Voltage of each terminal in 220-240V~and DC while applying an electric current.

7-2. QC TEST MODE.

Pressing Option, and Spin button simultaneously.
Power supply on with pressing upper two button. Then buzzer sound twice.
Press the Start/Pause button as follows.
[ Press the Start/Pause button more 4 times until stop spinning ]
Pressing number of
[Start/Pause] button
None
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times
11 times

7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY

* Press the Rinse and Spin button simultaneously.
ex)241 : Water level frequency = 241 X 10
Checking Point
All lamps turn on
Clockwise spin (right)
Low speed Spin
High speed Spin
Inlet valve for prewash operation
Inlet valve for mainwash operation
Hot inlet valve in case of hot water fill
Inlet valve for mainwash operation
Counterclockwise spin (left)
Heater is in operation for 3 sec.
Circulation pump operation
Draining pump operation
Auto off operation
The digits means water level frequency (10
-1
Drum rpm (About 40~50)
Drum rpm (About 53~65)
Drum rpm (About 120~140)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Drum rpm (About 40~50)
Water temperature
Water level frequency
Water level frequency
-1
kHz)
kHz = 24.1 kHz
13
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