LG WM2801HRA Service Manual ▷ View online
20
6. WIRING DIAGRAM / PROGRAM CHART
21
Cool-down
22
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.)
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.
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)
-
Number of times the
Start/Pause button is pressed
Check Point
Display Status
The washer must be empty and the controls must be in the off state.
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If you press the START/PAUSE button when an error is displayed, any error except will
disappear and the machine will go into the pause status.
In case of , , if the error is not resolved within 20 seconds, or the in case of other
errors, if the error is not resolved within 4 minutes, power will be turned off automatically and the error
code will blink. But in the case of , power will not be turned off.
disappear and the machine will go into the pause status.
In case of , , if the error is not resolved within 20 seconds, or the in case of other
errors, if the error is not resolved within 4 minutes, power will be turned off automatically and the error
code will blink. But in the case of , power will not be turned off.
8-1. 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.
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.
ERROR
SYMPTOM
CAUSE
WATER INLET
ERROR
• Correct water level (24.6kHz) is not reached within
8 minutes after water is supplied or it does not reach
the preset water level within 20 minutes.
1
UNBALANCE
ERROR
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
2
DRAIN ERROR
• Not fully drained within 10 minutes.
3
OVERFLOW ERROR
• Water is overflowing.
(water level frequency is over 21.3kHz).
If is displayed, the drain pump will
operate to drain the water automatically.
4
PRESSURE SENSOR
ERROR
• The PRESSURE SENSOR ASSEMBLY is out of
order.
• When water level frequency maintain condition of
below 10 kHz and over 30 kHz.
5
DOOR OPEN ERROR
• Door not all the way closed.
• Loose electrical connections at Door switch and
PWB Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
6
HEATING ERROR
• The THERMISTOR is out of order.
7
8. TROUBLESHOOTING
8-2. ERROR MODE SUMMARY
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