22
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.
Position the louvers for better air distribution.
The front of the unit is blocked
by drapes, blinds, furniture, or
other objects 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
doors, windows, etc.
The unit was recently turned
on in a hot room.
Allow additional time to remove “stored heat”
from the walls, ceiling, oor, and furniture.
The air conditioner turns on
and o rapidly.
The air lter is dirty and the air
is restricted.
Clean the air lter.
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 is not sensing. The remote control is not
located within range of the
unit.
Place the remote control within 16 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.