WFT8061DD - LG Washing Machine Service Manual (repair manual). Page 27

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12-2. How to diagnose and maintain according to symptoms 
1)  Power Failure 
Where, what and how 
Check results 
Possible 
reasons 
Solution measures 
Power   
 
Yes 
 
Electric 
problems 
 
1. Check if the socket is in poor 
contact.  
Replace plugs 
Normal  
None 
 
2. measure voltage 
0V Power 
supply 
Contact Power Supply Bureau
 
<1Ω 
 
None  
 
 
Washer harness 
1. Measure power cord resistance with 
plug short-circuit   
Infinite  
Power  cord 
cracks 
Replace power cord 
2. Check if all the connectors are 
connected properly. 
Separation of M and 
F connectors 
Poor contact
Connect again 
3. Check all wire resistance Infinite 
Harness 
cracks 
Replace harness 
<0.5Ω None 
 
>1Ω 
Poor contact
Replace power cord 
10-14V None 
 
Replace 
transformer 
Electrical appliance
0V 
Coil cracks 
Replace filter 
1.check if the fuse is damaged Yes 
Bad 
fuse 
Replace 
filter 
PC board 
 
 
 
Replace PC board if all 
appliances are not damaged. 
 
It must be that PC board damage if 
problems are not mentioned above. 
15% higher than 
standard voltage. 
 
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