THE AIR CONDITIONER WILL NOT OPERATE
Check if... Then...
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
THE AIR CONDITIONER COOLING, BUT ROOM IS TOO WARM – ICE FORMING ON COOLING COIL BEHIND INLET GRILLE.
Check if... Then...
Then...
THE AIR CONDITIONER COOLING, BUT ROOM IS TOO WARM
Check if...
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
NOISE WHEN UNIT IS COOLING.
Check if... Then...
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Fan Speed Switch in LOW position. Turn Fan Speed Switch to HI position
Control Knob set too warm. Turn Mode/Temp Control Knob clockwise to a cooler setting.
Room temperature below 70°F (21°C). Cooling may not occur until room temperature rises above 70°F (21°C).
Temperature sensing tube touching evaporator coil,
Remove front grille, and straighten tube away from evaporator coil.
located behind front grille.
Outdoor temperature below 70°F (21°C).
To defrost the coil, set Mode/Temp Control Knob to Fan Only position.
Air filter may be dirty. Clean filter. Refer to Maintenance section of owner's manual. To defrost,
set Mode/Temp control to Fan Only position.
Mode/Temp control Knob set too cold for
night-time cooling.
To defrost the coil, set Mode/Temp control to Fan Only position.
Dirty air filter – air restricted. Clean air filter. Refer to Maintenance section of owner's manual.
Mode/Temp control Knob set too warm. Control Knob clockwise to a COOLER setting.
Front of unit is blocked by drapes, blinds, furniture, Clear blockage in front of unit.
etc. Air distribution is restricted.
Doors, windows, registers, etc. open. Cold air escapes. Close doors, windows, registers, etc.
Unit recently turned on in hot room. A
llow additional time to remove stored heat from walls, ceiling, floor, and furniture.
Outside temperature is extremely hot.
Set Fan Speed Switch on HIGH speed to bring air past cooling coils faster.
Sound of fan hitting water – from the 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.
The air conditioner is improperly installed. Tilt air conditioner slightly to the outside to allow water drainage. Refer to
installation instructions or check with installer.
The unit is removing large quantities of moisture This is normal during excessively humid days.
from humid room.
BEFORE CALLING FOR SERVICE
Check the following list to be sure a service call is really necessary. A quick reference to this manual may
help you avoid an unneeded service call.
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.
MODE selector is OFF position. Turn MODE selector to the desired COOL setting.
Unit was turned off and then on too quickly. Turn unit off and wait 3 minutes before restarting.
TEMP Control set warmer than room temperature. Turn TEMP Control clockwise to a cooler setting (higher number).
The current interrupter device is triped Press the RESET button located on the power cord plug
If the RESET button will not stay engaged, discontinue use of the air
conditioner and contact a qualified service technician.
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