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TROUBLESHOOTING TIPS
Before calling for service, review this list. It may save your time and expense. This list includes common
occurrences that are not the result of defective workman-ship or materials in this appliance.
Problem
Solution
Air conditioner
does not start
Room temperature below 62°F(17°C). Cooling may not occur until room temperature rises
above 62°F(17°C).
Air from unit does
Temperature sensing behind air filter element touching cold coil. Keep it from the cold coil.
not feel cold
enough
Set to a Lower temperature.
Compressor stopped when changing modes. Wait for 3 minutes after set to the COOL mode.
Outdoor temperature below 64°F(18°C). To defrost the coil, set FAN ONLY mode.
Air conditioner
cooling, but room
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set to
is too warm- ice
FAN ONLY mode.
forming on cooling
coil behind
Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN ONLY mode.
decorative front.
Then, set temperature to a Higher setting.
Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
Temperature is set too High, set temperature to a Lower setting.
Air conditioner
Air directional louvers positioned improperly. Position louvers for better air distribution.
cooling, but room
Front of units is blocked by drapes, blinds, furniture, etc. - restricts air distribution. Clear
is too warm- NO
blockage in front of unit.
ice forming on
cooling coil behind
An open doors, windows,or register may allow cold air to escape. Close any doors, winows,
decorative front.
or registers.
The room may be too warm. Allow additional time to remove "Stored heat" from walls,
ceiling, floor and furniture.
Air conditioner
Dirty air filter- air restricted. Clean air filter.
turns on and off
rapidly
Outside temperature extremely hot. Set FAN speed to a Higher setting to bring air past
cooling coils more frequently.
Noise when unit is
Air movement sound. This is normal . If too loud, set to a slower FAN setting.
cooling
Window vibration - poor installation. Refer to installation instructions or check with installer.
Page 34
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.
Power is OFF. Turn power ON.
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