14
Troubleshooting
Before ask for services, please first check your unit against the following.
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.
Air conditioner won't start.
Poor cooling or heating
Is power supply switch turned on?
Power supply switch is not set at ON.
Is city power supply normal?
Is leakage current breaker activated?
This is very dangerous, please
disconnect power supply immediately
and contact your dealer.
Are operation control adjusted
correctly as specified?
Is air filter too dirty?
Are there any obstacles in inlet or
outlet grill?
Are horizontal louvers at up position
(in heating mode)?
Any doors or windows left open?
Is there any direct sunlight in the room?
If there are unexpected heat sources
in the room?
Too many people in the room?
Poor cooling
Cold air blows out (in heating mode). Is air conditioner in standby condition in heating mode?
Power
failure?
Proper
temp
