Test Running Without Water - LG WT5070C series Service Manual

4-3. TEST RUNNING WITHOUT WATER

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 and hold the SOIL LEVEL and SPECIAL USE buttons: then press the POWER button. The buzzer will
sound twice.
• Press the Start/Pause button to advane to the subsequent test mode step.
Number of times the
START/PAUSE
button is pressed
None
1 time
2 time
3 time
4 time
5 time
6 time
7 time
8 time
9 time
10 time
11 time
Check Point
Main program version
Display program version
None
Inlet valve for bleach detergent turns
on. (Cold Water)
✽ On :67~33 (26.7kHz~23.3kHz)
Inlet valve for softener dispenser turns
on. (Hot water)
Inlet valve for J-dispenser turns on.
(Cold Water)
Heater check (on heater model)
Wave force check
Drain pump and agitate (pulsator) check
Agitate (tub) check
High speed spin
Off
. Unlocks the door
. Turns off all LED
T1 and main program version
T2 and display program version
T3
A and water level frequency (1~10 Level)
✽ The meaning of 67~33 number is
26.7kHz~23.3kHz really
B and water level frequency (1~10 Level)
C and water level frequency (1~10 Level)
T4 and the coefficient of flood sensing
T5 and the coefficient of load sensing
T6 and water level frequency
T7 and the coefficient of load sensing
T8 and RPM
None
28
Display Status