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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... Then...
WaII plug disconnected.
House fuse blown or circuit breaker tripped.
Power is OFF.
Unit was turned offand then on too quickly.
TEMP Control set warmer than room temperature.
Push piug firmly into waiI outiet.
Replace fuse withtime delay type or reset circuit breaker.
Push the power button.
Set unit offand 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 button to set at HI.
TEMP Control set too warm. Set TEMP Control to a cooler temperature.
Room temperature below 70F (21C). Cooling may not occur until room temperature rises above 70F (21C).
Temperature sensing tube touching evaporator coil, Straighten tube away from evaporator coil.
located behind front grille.
THEAIR CONDITIONERCOOLING, BUT ROOMISTOO WARM - ICEFORMING ONCOOLINGCOIL BEHINDFRONT GRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C). To defrost the coil, set the MODE to FAN.
Air filter may be dirty. Clean airfilter. Refer to Maintenance section of owner's manual.
TEMP Control set too coldfor night-time cooling. To defrostthecoil,setthe MODE to FAN or "High Coot" with the
TEMP controltowarmertemperature.
THEAIRCONDITIONERCOOLING,BUTROOM18TOOWARM.
Check if... Then...
Dirty air fitter- 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. Coldair escapes. Close doors, windows, registers, etc.
Unit recently turned on in hot 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 SPEEDon Hi tobring air past cooling coils faster. I
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Sound offan hittingwater from the moistureremovalsystem. 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 air conditioner is improperly installed, installationTiltair conditionerinstructionsslightlyor tocheckthe outsidewith installer,to allow water drainage. Refer to
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
The unit is removing largequantities of moisture This is normal during excessively humid days.
from humid room.
-14-
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