Trouble Shooting
Before ask for services, please first check your unit against the following. Air conditioner won't start.
Is power supply switch turned on?
Power supply switch is not set at ON.
Is city power supply normal?
Power failure?
Is leakage current breaker activated?
This is very dangerous, please disconnect power supply immediately and contact your dealer.
Poor cooling or heating
Are operation control | Is air filter too dirty? | Are there any obstacles in inlet | |
adjusted correctly |
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| or outlet grill? |
as specified? | Proper |
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temp |
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Are horizontal louvers at up | Any doors or windows left |
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position (in heating mode)? | open? |
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Poor cooling
Is there any direct sunlight in the room? 
Cold air blows out (in heating mode)
If there are unexpected heat sources in the room?
Too many people in the room?
Is air conditioner in standby condition in heating mode?
If your unit still can't work properly after above mentioned checks, or following problems occur, please stop it immediately and contact your dealer.
Fuses or circuit breakers often blow out.
Water comes out in cooling/dry operation. 
Operation is abnormal or sound is heard.
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