WM2601HL - LG Washing Machine Service Manual (repair manual). Page 23

7. TEST MODE

7-1. SAFETY CAUTION

There’s built-in AC 120V and DC power in output terminal of PWB assembly in common. 
Be careful electric shock when disconnecting parts while trouble shooting. (Wear Electro
Static Discharge gloves when working.)

After cutting off the power when changing PWB assembly, disconnect or assemble.

Be careful static when handling PWB assembly, and use Electro Static Discharge plastic
pack when delivering or keeping it.

7-2. LOAD TEST MODE

1. Press the SPIN SPEED and SOIL LEVEL buttons simultaneously.

2. Press the Power      button, while the above condition. Then buzzer will sound twice.

3. Press the Start/Pause      button repeatedly to cycle through the test modes.

None 

1 time 

2 times 

3 times 

4 times 

5 times 

6 times 

7 times 

8 times 

9 times 

10 times 

11 times 

12 times 

13 times 

14 times

15 times

16 times

Turns on all lamps and locks the door.

Tumble clockwise.

Low speed Spin.

High speed Spin.

It will be take about 2minits to be

high speed spin

Inlet valve for prewash turns on.

Inlet valve for main wash turns on.

Inlet valve for hot water turns on.

Inlet valve for steam turns on.

Inlet valve for bleach turns on.

Tumble counterclockwise.

Heater turns on for 3 seconds.

Circulation pump turns on.

Drain pump turns on.

Steam water level sensor operates.

Steam heater turns on for 1.2sec.

Vibration sensor check.

off

LOAD TEST MODE

rpm (42~50)

rpm (35~45)

rpm (110~117)

Water level frequency (0~255)

Water level frequency (0~255)

Water level frequency (0~255)

Water level frequency (0~255)

Water level frequency (0~255)

rpm (42~50)

Water temperature

Water level frequency (25~65)

Water level frequency (25~65)

AG tub water level frequency (0~255)

Steam generator temperature

- None error (bs0)

- Main vibration error (bs1)

- Display vibration error (bs2)

- Both error (bs3)

-

The washer must be empty and the controls must be in the off state.