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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.
Problem
Air conditioner
does not start
Selector Control in OFF position. Turn selector to the desired FAN or COOL setting.
Unit turned off and then on too quickly. Turn unit off and wait 3 minutes before restarting.
Air from unit does
not feel cold
Temperature sensing tube touching cold coil, located behind air filter. Straighten tube away from coil.
enough
Thermostat set too warm. Set thermostat to colder temperature.
Air conditioner
cooling, but room
is too warm- ice
forming on cooling
coil behind
Thermostat set too cold for night-time cooling. To defrost the coil, set selector to FAN position.
Then, set thermostat to a warmer position.
decorative front.
Air conditioner
cooling, but room
Thermostat set too warm. Turn thermostat clockwise to a colder setting.
is too warm- NO
ice forming on
cooling coil behind
decorative front.
Air conditioner
turns on and off
rapidly
Noise when
unit is
cooling
Window vibration - improper installation. Refer to installation instructions or check with installer.
Water dripping
INSIDE when
unit is cooling.
Water dripping
OUTSIDE when
unit is cooling.
TROUBLESHOOTING TIPS
Solution
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.
Plug current device tripped. Press the RESET button.
Room temperature below 17 C (62 F). Cooling may not occur until room temperature rises above 17 C (62 F).
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Compressor shut-off by changing modes. Wait approximately 3 minutes and listen for
compressor to restart when set in the COOL mode.
Outdoor temperature below 18 C (64 F). To defrost the coil, set FAN ONLY mode.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set selector to FAN.
Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
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 .
Doors, windows, registers, etc. are open; cold air escapes. Close doors, windows, registers.
Unit recently turned on in hot room. Allow additional time to remove stored heat from walls, ceiling, floor and furniture.
Dirty air filter- air restricted. Clean air filter.
Outside temperature extremely hot. Set to high cool to bring air past cooling coils more frequently.
The unit makes normal sounds while in operation. If too loud, turn selector to lower FAN setting.
Sound of fan hitting water-moisture removal system. This is normal when humidity is high.
Close doors, windows and registers.
Improper installation. Tilt air conditioner slightly towards outside to allow water drainage. Refer to installation
instructions - check with installer.
Unit removing large quantity of moisture from humid room. This is normal during excessively humid days.
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