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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.
1. Unit does not Start
when Pressing on/off
Button
The Water Collection Tray is full. Turn off
the unit, drain the water from the Water
Collection Tray and restart the unit.
In COOL mode: room temperature is
lower than the set temperature
2. Unit does not
cool well
The air filter is blocked with dust or
animal hair
Turn off the unit and clean the filter
according to instructions
Exhaust hose is not connected or is
blocked
Turn off 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 off 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
Place the unit on a flat, level surface
The air filter is blocked with dust or
animal hair
Turn off 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
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