Copyright © 2016 - 2017 LG Electronics Inc. All rights
reserved. Only training and service purposes.
30
1) SAFETY CAUTION
•
The main power board assembly has exposed live 120 VAC 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 Temp. and Soil buttons. The buzzer will sound twice.
• Press the Start/Pause button to advane to the subsequent test mode step.
4-3. 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 detergent turns on.(Cold Water) A and water level frequency(268 ~ 233)
4 time Inlet valve for detergent turns on.(Hot Water) b and water level frequency(268 ~ 233)
5 time Inlet valve for softener turns on.(Cold Water) C and water level frequency(268 ~ 233)
6 time Inlet valve for jet spray turns on.(Cold Water) d and water level frequency(268 ~ 233)
7 time Inlet valve for bleach turns on.(Cold Water) E and water level frequency(268 ~ 233)
8 time Heater check (on heater model) t4 and the coefcient of ood sensing
9 time Drain pump check t6 and water level frequency(268 ~ 233)
10 time Load sensing check t7 and the coefcient of load sensing
11 time Agitate (tub) check and Door Lock check t8 and RPM
12 time Spin check t9 and RPM
13 time
Off
Unlocks the door
Turns off all LED
None
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