Test Running Without Water - LG WT5270CW 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 the POWER button: then press and hold the Wash Temp. and Soil Level buttons. 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 Main program version
1 time Display program version
2 time None
3 time Inlet valve for bleach detergent turnson. (Cold Water)
⁕ On :67~33 (26.7kHz~23.3kHz)Inlet valve for softener
4 time
dispenser turnson. (Hot water)
5 time Inlet valve for J-dispenser turns on.(Cold Water)
6 time Heater check (on heater model)
7 time Heater check (on heater model)
8 time Drain pump and agitate (pulsator) check
9 time Load sensing Check
10 time Agitate (tub) check
11 time Spin Check
Off
12 time • Unlocks the door
• Turns off all LED
Check Point
28
Display Status
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 is26.7kHz~23.3kHz
reallyB and water level frequency (1~10 Level)
C and water level frequency (1~10 Level)
T4 and the coefficient of flood sensing
T5 and alpha RPM
T6 and water level frequency
T7 and the coefficient of load sensing
T8 and RPM
T9 and RPM
None