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Avoid Service Checklist
Before calling for service, review this list. It may save you time and expense. This
list includes common occurrences that are not the result of defective workmanship
OCCURRENCE SOLUTION
Air conditioner will not operate. Wall plug disconnected. Push plug firmly into wall outlet.
House fuse blown or circuit breaker tripped. Replace fuse with time delay type or
reset circuit breaker.
Selector Control in OFF position. Turn selector to ON (some models) or the desired
FAN or COOL setting.
Unit turned off by moving thermostat to a higher number and then immediately
turning back to a colder number. Wait approximately 3 minutes. Listen for compress
or to start.
Air from unit does not feel cold
enough.
Turn selector to a higher COOL position
Thermostat set too warm. Set thermostat to colder temperature.
Air conditioner cooling, but
room is too warm- ice forming
on cooling coil behind
decorative front.
Outdoor temperature below 60°F (15°C). To defrost the coil, set selector to FAN
position. Then, set thermostat to warmer position.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set
selector to FAN .
Thermostat set too cold for night-time cooling. To defrost the coil, set selector to a
FAN position. Then, set thermostat to a warmer position.
Air conditioner cooling, but
room is too warm-NO ice
forming on cooling coil
behind decorative front.
Dirty air filter-air restricted. Clean air filter. Refer to Care and Cleaning section.
Thermostat set too warm. Turn thermostat clockwise to a colder setting.
Plug current device tripped. Preset RESET button.
Room temperature below 60°F (15°C). Cooling may not occur until room temperature
rises above 60°F (15°C).
Temperature sensing tube touching cold coil, located behind air filter. Straighten
tube away from coil.
Air directional louvers positioned improperly. Position louvers for better air
distribution.
Front of unit 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, etc.
Unit recently turned on in hot room, allow additional time to remove “ stored heat”
from walls, ceiling, floor and furniture.
Air conditioner turns on and
off rapidly.
Dirty air filter-air restricted. Clean air filter.
Outside temperature extremely hot. Set to high cool to bring air past cooling coils
more frequently.
Noise when unit is cooling
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Sound of fan hitting water-moisture removal system. This is normal when humidity
is high. Close doors windows and registers.
Window 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. Refer to installation instructions - check with installer.
Water dripping OUTSIDE when
unit is cooling.
Unit removing large quantity of moisture from humid room. This is normal during
excessively humid days.
or materials in this appliance
Unit turned off and then on too quickly. Turn unit off and wait 3 minutes before
restarting.
Thermostat set too low. Adjust thermostat to higher number for cooling.