E-6
TROUBLE SHOOTING
Warning
• If anything is abnormal with the air conditioner (ex. a burning smell), stop the operation
immediately and turn the circuit breaker OFF.
• Do not repair the air conditioner by yourself. Wrong repair may cause fire. please contact service
center.
If the unit appears to be malfunctioning, check the following points before calling for service.
Symptom
Cause
Corrective measures
The unit does not
operate at all
Phase reverse or fuse broken
Change phase or replace fuse
Power off
It will restart when power is on
Loose plug
Put the plug into place
Batteries of remote controller fall
Replace batteries
Out of the remote controlling range
Keep distance in 0 m or less
Operation stops
suddenly
There is obstacle at the air intake or outlet.
Remove it
The unit fails to
cool (or heat) the
room effectively
There is obstacle at the air intake or outlet.
Remove it
Wrong temperature setting
Refer to p.5
Low fan speed
Refer to p.5
Air direction is not correct
Refer to p.6
The door or window is open.
Close them
Direct sunshine
Close the curtain or blinder
There is heat source or too many people in the
room.
The air filter is dirty or blocked.
Clean it
The following conditions do not denote equipment malfunctions
Symptom
Trouble
Cause
The unit does not
operate
when you restart the unit
This is to protect the internal
mechanisms. Wait 3 minutes before
operating the unit.
when power is switched on
Wait for minute
Mists come out
when cooling
Room air is chilled rapidly and
becomes foggy
Outdoor unit is hot after the unit is stopped
Compressor is emitting heat to get
ready for restarting
Noise
Buzz is heard at starting
It's the starting sound of thermostat
and will turn low after minute
Sound of running water can be heard during
operation
This is caused by the refrigerant
flowing inside the unit
A "shuh" sound is heard when unit starts/stops
operation or defrost.
A continuous low "shah" sound is heard during
cooling operation or at a stop.
This is the noise of refrigerant caused
by flow stop and flow change
The noise is heard when the drainage
pump is in operation
Cracking noise can be heard during or after
operation
This sound is generated by the
friction of the front panel and other
components expanding or connecting
due to a temperature change
Dust from the unit
Starting operation after not using for a long time. Dust absorbed by the unit blows out
Odors
During operation
Carpet and furniture odors that
entered into the unit may be sent out
from the unit
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08.10.28 11:42:44 AM