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20
The exhaust duct is too long
The exhaust is obstructed
The unit is set in
dehumidifying mode
The unit is set to low fan
speed
Make the exhaust duct as
short as possible
Check the exhaust duct.
Remove any obstructions
Set the unit in cooling mode
Set the unit to high fan speed
The unit has worked for a
long time, but the room is not
cold enough
Windows or doors are open
There are too many people in
the room
There is direct sunshine into
the room
The room is a kitchen, with
many heat-producing
appliances
There is a server in the room
The room is too large
There are many electrical
appliances in the room
Close all windows and doors
into the room when the unit is
cooling
You may need additional
cooling or another air
conditioner
Close curtains and blinds. Try
to minimize the amount of
direct sunlight into the room
You may need additional
cooling or another air
conditioner
You may need additional
cooling or another air
conditioner
You may need additional
cooling or another air
conditioner
You may need additional
cooling or another air
conditioner
The unit is very noisy The unit is not level
The floor underneath the unit
is uneven
Make sure the unit is level
Move the unit to a location
with a level, even floor
The unit is leaking water onto
the floor
The drain upper and lower
rubber stoppers are not
installed
The unit is tilted, or is not level
Install the rubber drain
stoppers to both the upper
and lower drain port.
Make use the unit is level
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