WD-80150TUP, WD-80151TUP - LG Washing Machine Service Manual (repair manual). Page 14

7-1.BEFORE PERFORMING SERVICE

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

7-2.QC TEST MODE.

① Pressing Pre Wash and Crease Care button simultaneously.
② Power button ON with pressing upper two button. then buzzer sound twice.
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 Bio and Time delay button simultaneously.

ex) 241 : Water level frequency = 241× 10-1kHz

= 24.1kHz

7. TROUBLESHOOTING

The digits means water level frequency (10

-1 

kHz) 

Checking Point

Display Status

None

All lamps turn on

1 time

Clockwise spin (

lef)                                   Motor rpm (About 50)

2 times

Low speed Spin

Motor rpm (About 63~67)

3 times

High speed Spin

Motor rpm (About 79~85) : WD-6515(0~9)T

(U)P

WD-8015(0~9)S(N)(T)

(U)P

Motor rpm (About 95~106) : WD-9015(0~9)T

(U)P

WD-1015(0~9)S(N)(T)

(U)P

4 times

Inlet valve for pre-wash operation

Water level frequency (225~265)

5 times

Inlet valve for main-wash operation

Water level frequency (225~265)

Hot inlet valve in case of hot water fill

6 times

Inlet valve for main-wash operation 

Water level frequency (225~265)

7 times

Counterclockwise spin 

(right)

Motor rpm (About 50)

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

Pressing number of

[START / PAUSE] button