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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...
Wail plug disconnected.
House fuse blown or circuit breaker tripped.
Power is OFF.
Unit was turned off andthen ontoo quickly.
TEMP Control set warmer than room temperature.
Push piug firmly into wail outiet.
Replace fuse withtime delay type or reset circuit breaker.
Push the power button.
Set unit off and wait 3minutes before restarting.
Set TEMP Control to a lower number.
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 lower temperature.
Room temperature below 70°F (21°C). Cooling may not occur untilroom temperature rises above 70°F (21°C).
Temperature sensing tube touching evaporator coil, Straighten tube away from evaporator coil.
located behind front grille.
THEAIR CONDITIONERCOOLING, BUT ROOM ISTOO WARM- ICE FORMING ONCOOLING COIL BEHIND INLETGRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C). To defrost the coil,set the MODE to FAN, FAN speed to High.
Air filter may be dirty. Clean airfilter. Refer to Maintenance section of owner's manual.
To defrostthecoil, setthe MODE to Cool, Fan speed to high, and the
TEMP Control set too tow. Temp control to a higher temperature.
THEAIRCONDITIONERCOOLING, BUTROOM18TOOWARM
Check if... Then...
Dirty air filter- air restricted. Clean airfiIter. Refer to Maintenance section of owner's manual.
TEMP Control set too warm. Set TEMP Control to a lower temperature.
Front of unit is biocked 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 recentlyturned on in hot room. Aliowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
Outside temperature is extremely hot. [ Set FAN SPEED on HiGH to minimizethe cooling load. [
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Soundoffan hittingwater- fromthe moistureremovalsystem. This is normal when humidity ishigh. Ctose doors,windows, and registers.
Window vibration - poor installation. Refer to nsta aton nstruct ons or check w th nsta er.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
The air conditioner is improperly installed. Tiltinstallationair conditionerinstructionsslightlyor tocheckthe outsidewith 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 normaIduring excessively humid days.
from humid room.
-18-
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