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

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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