Read LG WT-R10686 Service Manual online
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1) SAFETY CAUTION
• The main power board assembly has exposed live Rating and live DC voltages. Use care when disconnecting
connectors during troubleshooting and testing. (Wear electrostatic discharge gloves when handling the board.
• Unplug the power when handling the board assembly. (Wear electrostatic discharge gloves when handling the
board. Store the board in an ESD [ElectroStatic Discharge] plastic bag.)
2) SERVICE MODE
The washer must be empty and the controls must be plugged in and turned off.
• Press the POWER button: then press and hold the SOFT and HOT buttons. The buzzer will sound twice.
• Press the Start/Pause button to advane to the subsequent test mode step.
4-4. TEST RUNNING WITHOUT WATER
Number of times the
START/PAUSE
button is pressed
Check Point
Display Status
None
Main program version
t1 and main program version
1 time
Display program version
t2 and display program version
2 time
None
t3
3 time
Inlet valve for bleach dispenser and Cold
detergent turns on
A and water level frequency
* Service mode on :
Water level frequency
70~33
(27.0kHz~23.3kHz)
* WM turns off at
23.3kHz
4 time
Inlet valve for softener dispenser and Hot
detergent turns on
B and water level frequency
5 time
Inlet valve for Jet spray dispenser turns on C and water level frequency
6 time
Heater check (on heater model)
t4 and 0
7 time
Wave force check
t5 and rpm
8 time
Drain pump check
t6 and water level frequency
Auto-start
Load sensing check
t7 and the coefficient of load sensing
Auto-start
Agitate (pulsator) check
t8 and the coefficient of load sensing
9 time
Spin and dE error check
Rpm<500 : current rpm
Rpm>500 : UB→Divergence→RS1 UB→current rpm
10 time
WM turns Off
None
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