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11 Troubleshooting
In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused
from an electrical defect, another is ineffective Air Conditioning caused by a defect in the refrigeration
circuit and improper application, and the other is called the Structure Damage.
TROUBLES POSSIBLE CAUSES SUGGEST REMEDIES
1. Unit does not Start when
Pressing on/off Button
P1 Error Code Drain the water in the bottom tray.
In COOL mode: room
temperature is lower than
the set temperature
Reset the temperature.
2. Unit does not cool
well
The air filter is blocked with dust or
animal hair
Turn of the unit and clean the
filter according to instructions
Exhaust hose is not connected or is
blocked
Turn of the unit, disconnect the
hose, check for blockage and
reconnect the hose
The unit is low on refrigerant
Call a service technician to inspect
the unit and top of refrigerant
Temperature setting is too high Decrease the set temperature
The windows and doors in the room are
open
Make sure all windows and doors
are closed
The room area is too large Double-check the cooling area
There are heat sources inside the room
Remove the heat sources if
possible
3. The unit is noisy
and vibrates too
much
The ground is not level or not flat
enough.
Place the unit on a flat, level
surface
The air filter is blocked with
dust or animal hair
Turn of the unit and clean the
filter according to instructions
4. The unit makes a
gurgling sound
This sound is caused by the flow of
refrigerant inside the unit
It is normal.
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