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Spin Trouble - LG WM0742H*A Service Manual

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SPIN TROUBLE

Check during spin if the frequency of the water
level is 248 or more.
Press the START/ PAUSE button 2 times in QC
Test mode, is the drum spinning at low speed?
Is it disconnected, or disassembled?
[Red: 3pin(1), NA: 4pin(2)]
Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL
Resistance of terminal:
~
/
~
/
~
1
2
2
3
3
1
Replace the MAIN PWB ASSEMBLY.
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?
Is DOOR SWITCH ASSEMBLY broken?
YES
NO
NO
3
2
1
: About 5Ω~15Ω
YES
ERROR
YES
YES
28
Check the SENSOR
SWITCH ASSEMBLY or
HOSE (Pressure).
NO
If the problem is on the
SENSOR SWITCH
ASSEMBLY or the HOSE,
replace the SENSOR
SWITCH ASSEMBLY or
the HOSE.
Normal
YES
YES
Correct the connection.
Replace the STATOR
NO
ASSEMBLY.
Replace Door Assembly.
NO
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
NO
(Red 4 pin and white 4 pin
connector (1)).
Replace the DOOR
YES
SWITCH ASSEMBLY.

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Wm0742h series