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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 blown or circuit breaker tripped.
Power is OFF.
Unit was turned off and then on too quickly.
TEMP Control set warmer than room temperature.
The current interrupter device is triped
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or resetcircuit breaker.
Push the power button.
Set unit off andwait 3 minutes before restarting.
Set TEMP Control to cooler temperature.
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.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
FAN SPEED set at LOW. Push FAN SPEED button to set at HIGH.
TEMP Control set too warm. Set TEMP Control to acooler temperature.
Roomtemperature below 70°F (21oC). Cooling may not occur until room temperature rises above 70°F (21°C).
Temperature sensing tube touching evaporator coil, Remove the front grillethen
located behind front grille, straighten tube away from evaporator coil.
THE AIRCONDITIONER COOLING, BUT ROOM ISTOO WARM - ICEFORMING ONCOOLING COIL BEHIND FRONT GRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C). To defrost the coil, set the MODE to FAN.
Airfilter may be dirty. Clean air filter. Refer to Maintenance section of owner's manual.
TEMP Control set too cold for night-time cooling. To defrostthecoil,setthe MODE to FAN speed to "HIGH" withthe
TEMP controltowarmertemperature.
THEAIR CONDITIONERCOOLING,BUT ROOMISTOO WARM.
Check if... Then...
Dirty airfilter - air restricted. Clean air filter. 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. Cold air escapes. Close doors, windows, registers, etc.
Unit recently turned on in hot room. Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,and furniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outside temperature is extremely hot. I SetFAN SPEED on HIGH to bring air past cooling coils faster.
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Sound offan hittingwater fromthe moisture removalsystem. This is normal when humidity is high. Close doors, windows, and registers.
Window vibration - poor installation. Refer to nsta at on nstruct ons or check wth nsta er.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
The airconditioner is improperly installed. Tilt air conditioner slightly to the outside to allow water drainage. Refer to
installation instructions or check with installer.
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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