T6515TDCT4 - LG Washing Machine Service Manual (repair manual). Page 56

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56
14) Power is automatically turned off during operation or immediately
turning on the power switch.
Where, what & how to check?
Result of Check Possible Cause How to repair & settle
Main voltage
1. It is mostly caused by noise from
mains or transfomerient power cut.
Auto Off switch or
Controller
1.Check whether power is
automatically turned off when
turning on the auto off switch after 
unplugging the power cord from the 
outlet
2. It would be defect of the controller if 
power is automatically turned off 
immediately when turning on the 
power switch even though there is 
no defects in the auto off switch.
Automatically
turned off
Defect in main.
Mechanical defect
of the auto off 
switch.
Explain the cause. 
(It happens specially 
when a high frequency 
equipment is a used 
around the washer or in 
the case voltage 
fluctuation is big)
Change the auto off
switch.
Change the controller.
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