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
Air conditioner
does not start
Air from unit does
not feel cold
enough
Air conditioner
cooling, but room
is too warm- ice
forming on cooling
coil behind
decorative front.
Air conditioner
cooling, but room
is too warm- NO
ice forming on
cooling coil behind
decorative front.
Air conditioner turns on
and off rapidly
Noise when unit is
cooling
All manuals and user guides at all-guides.com
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.
Power is OFF. Turn power ON.
Room temperature below 62 F(17 C ). Cooling may not occur until room temperature
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O
rises above 62 F(17 C).
Temperature sensing behind air filter element touching cold coil. Keep it from the cold
coil.
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 filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost,
set to FAN ONLY mode.
Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN ONLY
mode. 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 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.
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 FAN speed to a Higher setting to bring air past
cooling coils more frequently.
Air movement sound. This is normal . If too loud, set to a slower FAN setting.
Window vibration - poor installation. Refer to installation instructions or check with installer.
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