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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.
THE AIR CONDITIONER WILL NOT OPERATE
Check if...
Wall plug disconnected.
House fuse btown or circuit breaker tripped.
Power is OFF.
Unit was turned off and then on too quickly.
TEMP Control set warmer than room temperature.
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or reset circuit breaker.
Push the power button.
Set unit off and wait 3 minutes before restarting.
Set TEMP Control to cooler temperature.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
FAN SPEED set at LOW. Push FAN SPEED buttonto set at HI.
TEMP Control set too warm. Set TEMP Control to a cooler temperature.
Room temperature below 70F (21C). Cooling may not occur untilroom temperature rises above 70F (21C).
Temperature sensing tube touching evaporator coil, Remove front grille,then Straighten tube away from evaporator coil.
located behind front grille.
THE AIR CONDITIONERCOOLING, BUT ROOMt8 TOO WARM-ICE FORMINGON COOLING COILBEHIND FRONT GRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C). To defrost the coil, set the MODE to FAN.
Air filter may bedirty. Clean airfilter. Refer to Maintenance section of owner's manual.
TEMP Control set too cold for night-time cooling. To defrostthe coil,set the MODE to FAN or Cool withthe TEMPcontrolto
warmertemperature.
THEAIR CONDITIONERCOOUNG, BUT ROOM18TOO WARM.
Check if... Then...
Dirty airfilter - air restricted. Clean airfilter. Refer to Maintenance section of owner's manual.
TEMP Control set too warm. Set TEMP Control to cooler temperature.
Front of unit is blocked by drapes, blinds, furniture, etc. Clear blockage in front of unit.
Air distribution is restricted.
Doors, windows, registers, etc. open. Cotd air escapes. Close doors, windows, registers, etc.
Unit recently turned on inhot room. Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outside temperature is extremely hot. I Set FAN SPEED on High to bring airpast cooling coilsfaster. I
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Sound offan hittingwaterfrom the moistureremoval 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.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
The airconditioner is improperly installed. Tiltinstallationair conditionerinstructionsslightlyor tochecktheoutsidewith installer,to allow water drainage. Refer to
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
The unit is removing large quantities of moisture This is normal during excessively humid days.
from humid room.
-14-
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