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18
Issue
Possible Cause
Solution
The air conditioner is cooling but
the room is too warm. NO ice is
forming on the cooling coil
behind the decorative front.
The air directional louvers are
positioned improperly.
Reposition the louvers for
better air distribution.
The front of the unit is blocked
by drapes, blinds, furniture,
etc. that restrict air distribution.
Clear any blockage in front of
the unit.
There are open doors,
windows, etc.
When entrances are open
cold air escapes. Close all
doors, windows, etc.
The unit was recently turned
on in a hot room.
Allow additional time to
remove “stored heat” from the
walls, ceiling, floor, and
furniture.
The air conditioner turns on and
off rapidly.
The air filter is dirty and the air
is restricted.
Clean the air filter.
The outside temperature is
extremely hot.
Set the FAN speed to a
higher setting to bring air past
the cooling coils more
frequently.
There is noise when the unit is
cooling.
Some air movement sound is
normal.
If the unit is too loud, set it to
a slower FAN setting.
There is window vibration due
to poor installation.
Refer to the installation
instructions or check with the
installer.
There is water dripping INSIDE
when the unit is cooling.
The unit was improperly
installed.
Tilt the air conditioner slightly
to the outside to allow water
drainage.
There is water dripping
OUTSIDE when the unit is
cooling.
The unit is removing a large
quantity of moisture from a
humid room.
This is normal during
excessively humid days.
The remote control is not
sensing.
The remote control is not
located within range of the
unit.
Place the remote control
within 20 feet and a 180
degrees radius of the front of
the unit.
The remote control signal is
obstructed.
Remove the obstruction.
The room is too cold.
The temperature is set too
low.
Increase the set temperature.
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