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TROUBLESHOOTING TIPS
Solution
Problem
Dirty air filter-- air restricted. Clean air filter. Refer to Care and Cleaning section.
Unit recently turned on in hot room. Allow additional time to remove stored heat from
walls, ceiling, floor and furniture.
Air conditioner
cooling, but room
is too warm-- NO
ice forming on
cooling coil behind
decorative front.
Temperature is set too high. Set temperature to a lowercase setting.
Air directional louvers positioned improperly. Position louvers for better air distribution.
Front of units is blocked by drapes, blinds, furniture, etc. -- restricts air distribution.
Clear blockage in front of unit.
Doors, windows, registers, etc. open-- cold air escapes. Close doors, windows, registers.
Air conditioner turns on
and off rapidly.
Noise when unit is
cooling.
Water dripping
INSIDE when
unit is cooling.
Improper installation. Tilt air conditioner slightly to the outside to allow water drainage.
Refer to installation instructions -- check with installer.
Dirty air filter- air restricted. Clean air filter.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Outside temperature extremely hot. Set FAN speed to a higher setting to bring air past
cooling coils more frequently.
Window vibration -- poor installation. Refer to installation instructions or check with installer.
Water dripping
OUTSIDE when
unit is cooling.
Remote sensing
(some models).
radius of the front of the unit.
Remote control signal obstructed. Remove obstruction.
Room too cold.
Set temperature too low. Increase set temperature.
Unit removing large quantity of moisture from humid room. This is normal during
excessively humid days.
Remote control not located within range. Place remote control within 16.4' (5 m) and 180ยบ
deactivating
prematurely
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