15
Issue
Possible Cause
Solution
Air conditioner is cooling
but room is too warm, NO
ice is forming on cooling
coil behind decorative
front
Open doors, windows,
etc.
Open = cold air
escapes. Close doors,
windows, etc.
Unit recently turned on
in hot room
Allow additional time to
remove “stored heat”
from windows, ceiling,
floor and furniture.
Air conditioner turns on
and off rapidly
Dirty air filter, air
restricted
Clean air filter.
Outside temperature
extremely hot
Set FAN speed to a
higher setting to bring
air past cooling coils
more frequently.
Outside temperature
extremely hot
Air movement sound,
this is normal
Set FAN speed to a
higher setting to bring
air past cooling coils
more frequently.
If too loud, set to a
slower FAN setting.
Wall vibration, poor
installation
Refer to installation
instructions or check
with installer.
Water dripping INSIDE
when unit is cooling
Improper installation
Tilt air conditioner
slightly to the outside
to allow water
drainage.
Water dripping OUTSIDE
when unit is cooling
Unit removing large
quantity of moisture
from humid room
This is normal during
excessively humid
days.
Remote not sensing
Remote control not
located within range
Place remote control
with 20 feet and 180
degrees radius of the
front of the unit.
Remote control signal
obstructed
Remove obstruction.
Room too cold
Set temperature too
low
Increase set
temperature.