Test Mode; Safety Caution; Load Test Mode - LG WM3885H*CA Service Manual

7. TEST MODE

7-1. SAFETY CAUTION

Both 120 volts AC and DC voltages are present on the main board. Be careful to avoid a shock hazard.
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 handling or storing the board or other components.

7-2. LOAD TEST MODE

The washer must be empty and the controls must be in the off state.
1. Press the SPIN SPEED and SOIL LEVEL buttons simultaneously.
2. Press the Power
3. Press the STEAM button to load test mode. Without pressing the STEAM button, you
can load demo mode.
4. Press the START/PAUSE
Number of times the
Start/Pause button is pressed
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
button, while the above condition. Then buzzer will sound twice.
button repeatedly to cycle through the test modes.
Turns on all lamps.
Tumble clockwise.
Low speed Spin.
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 bleach turns on.
Inlet valve for steam 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 1.2 sec.
off
Check Point
22
Display Status
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 (0~255)
Water level frequency (0~255)
AG tub water level frequency (0~255)
Steam generator temperature