WD-3243RHD, WD-3245RHD - LG Washing Machine Service Manual (repair manual). Page 14

7. TROUBLESHOOTING

7-1.BEFORE PERFORMING SERVICE

Be careful of electric shock or disconnecting the parts while trouble shooting.

Voltage of each terminal in 120-127V~ and DC while applying an electric current.

7-2.QC TEST MODE.

①

① Pressing  SPIN, and DRY button simultaneously.
②

② Power supply ON with pressing upper two button.Then buzzer sound twice.
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 SPIN and DRY button simultaneously.

ex) 241 : Water level frequency = 241

10-1

=24.1

7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR

AT OPERATING CONDITION.

■ Thermistor in tub : Press the [WATER TEMP] button.
■ Thermistor in dry duct : Press the [DRY] button.
■ Thermistor in condensing duct : Press the [SPIN] and [DRY] button simultaneously.

The digits means water level frequency (10

-1 

) 

Pressing number of

Start/Pause button

Checking Point

Display Status

None

All lamps turn on

1 time

Clockwise spin (right)

Drum rpm (About 40~52)

2 times

Low speed Spin

Drum rpm (About 70~90)

3 times

High speed Spin

Drum rpm (About 90~110)

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)

6 times

Inlet valve for dry operation 

Water level frequency (25~65)

7 times

Counterclockwise spin (left)

Drum rpm (About 40~52)

8 times

Heater is in operation for 3 sec.

Water temperature

9 times

Draining pump operation

Water level frequency

10 times

Dry operation for 6 minutes

Auto off operation after 6 minutes