LG Electronics WD(M)-14220(5)FD, 16221FD Troubleshooting, Before Performing Service, QC Test Mode

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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 Option1, 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

Checking Point

Display Status

Start/Pause

button

 

 

None

 

 

All lamps turn on

 

 

 

 

 

 

1 time

 

 

Clockwise spin (right)

Drum rpm (About 40~50)

 

 

 

 

 

2 times

 

 

Low speed Spin

Drum rpm (About 53~65)

 

 

 

 

 

3 times

 

 

High speed Spin

Drum rpm (About 140~160)

 

 

 

 

 

4 times

 

 

Inlet valve for prewash operation

Water level frequency (25~65)

 

 

 

 

 

5 times

 

 

Inlet valve for mainwash operation

Water level frequency (25~65)

 

 

 

 

 

Hot inlet valve in case of hot water fill

 

 

 

 

 

 

 

 

 

6 times

 

 

Inlet valve for mainwash operation

Water level frequency (25~65)

 

 

 

 

 

7 times

 

 

Counterclockwise spin (left)

Drum rpm (About 40~50)

 

 

 

 

 

8 times

 

 

Heater is in operation for 3 sec.

Water temperature

 

 

 

 

 

9 times

 

 

Circulation pump operation

Water level frequency

 

 

 

 

 

10 times

 

 

Draining pump operation

Water level frequency

 

 

 

 

 

11 times

 

 

Auto off operation

 

 

 

 

 

 

7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY

Press the Rinse and Spin button simultaneously.

The digits means water level frequency (10-1)

ex) 241 : Water level frequency = 241 10-1 =24.1

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