8
Symptom Cause Action
The air 
conditioner does 
not operate 
although the 
power is turned 
on.
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Poor cooling 
or heating 
performance
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If your air conditioner does not work properly even after checking each item of 
“Before Requesting Services” and “Troubleshooting”
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Before Requesting Services
Troubleshooting
OI_00_291492_EU.indb   82017/6/20   10:47:10