Troubleshooting; Before Performing Service; Qc Test Mode; How To Check The Water Level Frequency - LG WM2455H Series Service Manual

7. TROUBLESHOOTING

7-1. BEFORE PERFORMING SERVICE

Be careful of electric shock when disconnecting parts while troubleshooting.
The voltage of each terminal is 120 V AC and DC when the unit is plugged in.

7-2. QC TEST MODE.

The washer must be empty and the controls must be in the off state.
1. Press the WASH/RINSE and SPIN SPEED buttons simultaneously.
2. Press the Power
3. 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

7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY

❋ Press the CUSTOM PROGRAM and PRE-WASH buttons simultaneously.
A display indicating 41 means a water level frequency of 24.1 kHz.
button, while the above condition. Then buzzer will sound twice.
button repeatedly to cycle through the test modes.
Check Point
Turns on all lamps and locks the door.
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.
Tumble counterclockwise.
Water Temperature (Thermistor)
Drain pump turns on.
Off
The digits indicate the water level frequency.
rpm (42~50)
rpm (55~65)
rpm (105~115)
Water level frequency (225~265)
Water level frequency (225~265)
Water level frequency (225~265)
Water level frequency(225~265)
rpm (42~50)
Water Temperature [°C]
Water level frequency (225~265)
14
Display Status
➔ ➔