Read LG WM0742HGA Service Manual online
28
SPIN TROUBLE
Check during spin if the frequency of the water
level is 248 or more.
level is 248 or more.
Press the START/ PAUSE button 2 times in QC
Test mode, is the drum spinning at low speed?
Test mode, is the drum spinning at low speed?
Is it disconnected, or disassembled?
[Red: 3pin(1), NA: 4pin(2)]
[Red: 3pin(1), NA: 4pin(2)]
Replace the MAIN PWB ASSEMBLY.
Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL
the terminal the same as the figure?
MOTOR TERMINAL
Resistance of terminal:
~ / ~ / ~ : About 5Ω~15Ω
Check the SENSOR
SWITCH ASSEMBLY or
HOSE (Pressure).
If the problem is on the
SENSOR SWITCH
ASSEMBLY or the HOSE,
replace the SENSOR
SWITCH ASSEMBLY or
the HOSE.
SWITCH ASSEMBLY or
HOSE (Pressure).
If the problem is on the
SENSOR SWITCH
ASSEMBLY or the HOSE,
replace the SENSOR
SWITCH ASSEMBLY or
the HOSE.
Normal
Correct the connection.
Replace the STATOR
ASSEMBLY.
YES
NO
NO
NO
YES
YES
YES
NO
3
2
1
1
2
2
3
3
1
ERROR
Does the spring of Latch Hook actuate?
Is there clicking sound once or twice when the
START/ PAUSE button is pressed to start the
cycle?
START/ PAUSE button is pressed to start the
cycle?
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 4 pin and white 4 pin
connector (1)).
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 4 pin and white 4 pin
connector (1)).
Replace Door Assembly.
NO
NO
YES
YES
Is DOOR SWITCH ASSEMBLY broken?
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
YES
Click on the first or last page to see other WM0742HGA service manuals if exist.