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Troubleshooting Tips... Before you call for service
Problem
Air conditioner does
not start
Air from the unit does
not feel cold enough
Air conditioner cooling,
but room is too warm.
Ice is forming on
cooling coil behind
decorative front.
Air conditioner turns
on and off rapidly
Noise when unit is
cooling
Water dripping INSIDE
when unit is cooling
Water dripping
OUTSIDE when unit is
cooling
Room too cold
Error code "AS" in the
display
Error code "HS" in the
display
Error code "•" in the
display
49-5000712 Rev. 1
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
rises above 62°F (17°C).
Temperature sensor behind air filter may be 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 the filter. Refer to Care and Cleaning section. To defrost,
set to FAN ONLY mode.
Thermostat set to cold for night-time cooling. To defrost the coil, set to FAN ONLY
mode. Then, set temperature to a higher setting.
Dirty air filter, or the air is restricted. Clean the air filter. Refer to Care and Cleaning
section.
Temperature is set too high. Set the temperature to a lower setting.
Air directional louvers positioned improperly. Position louvers for better air distribution.
Front of unit is blocked by drapes, blinds, furniture, etc, which restricts air distribution.
Clear blockage in front of unit.
Doors, windows, registers, etc, may be open. Close doors, windows, registers.
walls, ceiling, floor, and furniture.
Dirty air filter, the air is restricted. Clean air filter.
Outside temperature extremely hot. Set FAN speed to a higher setting to cool outdoor
cooling coil.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Improper installation. Refer to installation instructions or check with installer.
Improper installation. Tilt air conditioner slightly to the outside to allow water drainage.
Refer to installation instructions, and check with installer.
excessively humid days.
Set temperature to low. Increase set temperature.
call for service. NOTE: In Fan only mode, it will display "LO" or "HI".
for service.
repeats, call for service.
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