When problems occur
Before asking services, please firstly check your unit according to following.
Air conditioner won't start.
Is power supply switch Is city power supply normal? turned on?
Power
Power supply failure? switch is not set
at ON.
Is leakage current breaker activated?
This is very dangerous, please disconnect power supply immediately and contact your dealer.
Poor cooling or heating
Are operation controlls | Is air filter too dirty? |
adjusted correctly |
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as specified? |
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Are there any obstacles at inlet or outlet grill?
Proper temp
Are horizontal louvers at up position (in heating mode)? 
Any doors or windows left open?
Poor cooling
Is there any direct sunlight in the room?
If there are unexpected heat | Too many people in the room? | ||||||||||||||
sources in the room? |
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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.
If the fuse on PC board is broken please change it with the type of T3.15A/250VAC.
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