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Avoid Service Checklist
OCCURRENCE SOLUTION
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 workman-
ship or materials in this appliance.
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.
Control is OFF. Turn Control ON and set to desired FAN or COOL setting.
Unit turned off and then on too quickly, wait 3 minutes before compressor will automatically
restart.
Thermostat set too HI. Adjust thermostat to lower number for cooling.
Air from unit does not feel cold
enough.
Room temperature below 60°F (16°C). Cooling may not occur until room temperature rises above
60°F (16°C).
Temperature sensor touching cold coil, located behind air filter.
Reset to a Lower temperature.
Compressor shut-off by changing modes. Wait approximately 3 minutes, and listen for compressor to
restart when set in the COOL modes.
Air conditioner cooling, but room is
too warm — ice forming on cooling
coil behind decorative front.
Outdoor temperature below 60°F (16°C). To defrost the coil, set selector to FAN ONLY Mode.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set selector to
FAN ONLY Mode.
Temperature is set too Low for night-time cooling. To defrost the coil, set to FAN ONLY Mode.
Then, set Temperature to a Higher number.
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.
Temperature is set too High. Set temperature to a Lower number.
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 FAN speed to a faster setting to bring air past cooling coils
more frequently.
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.
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.