WD-12807TXZ - LG Washing Machine Service Manual (repair manual). Page 14

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.

7-1. 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. TROUBLESHOOTING

7-4.HOW TO KNOW THE WATER LEVEL FREQUENCY

Press the Temp. and Spin button simultaneously.

ex) 241 : Water level frequency = 241

× 10-1kHz

=24.1kHz

The digits means water level frequency (10

-1 

kHz) 

Checking Point

None

All lamps turn on

1 time

Clockwise spin (right)

Motor rpm (About 45)

2 times

Low speed Spin

Motor rpm (About 63~67)

3 times

High speed Spin

Motor rpm (About 79~85) : WD-80480S/N/T, 80490S/N/T

Motor rpm (About 95~106) : WD-10480S/N/T, 10490S/N/T

4 times

Inlet valve for pre-wash operation

Water level frequency (25~65)

5 times

Inlet valve for main-wash operation

Water level frequency (25~65)

Hot inlet valve in case of hot water fill

6 times

Inlet valve for main-wash operation 

Water level frequency (25~65)

7 times

Counterclockwise spin (left)

Motor rpm (About 45)

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

7-2. QC TEST MODE.  

① Pressing Option and Time button simultaneously.
② Power supply ON with pressing upper two button.
③ Press the START/PAUSE button as follows.

~Press the START/PAUSE button more 4 times until stop spinning₩

Pressing number of

［START/PAUSE］button