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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 breakertripped.
MODE selector isOFF position.
Unit was turned off andthen ontoo quickly.
TEMP Control set warmer than room temperature.
The current interrupter device is triped
Then...
Push plugfirmly into wall outlet.
Replace fuse withtime delaytype or reset circuit breaker.
Turn MODE selector tothe desired COOL setting.
Turn unit off and wait 3 minutesbefore restarting.
Turn TEMP Control clockwise to a cooler setting (highernumber).
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...
MODE selector in LOW COOL position.
TEMP Control set too warm (lower number).
Roomtemperature below 70F (21°C).
Temperature sensing tube touching evaporator coil,
locatedbehind front grille.
Turn selector to HIGH COOL position
Turn TEMP Control clockwise to a cooler setting.
Cooling may notoccur untilroom temperature risesabove 70°F (21°C).
Straighten tube away from evaporator coil.
THE AIR CONDITIONER COOLING, BUT ROOM IS TOO WARM - ICE FORMING ON COOLING COIL BEHIND FRONT GRILLE.
Check if... Then...
Outdoor temperature below 70_'F(21_'C). To defrost the coil, setselectorto FAN position.Then, turn TEMP control
counterclockwise to awarmer setting.
Airfilter may be dirty. Clean filter. Referto Maintenance section of owner's manual. To defrost,
set selector to FAN position.
TEMP Control set too coldfor night-time cooling. Todefrostthecoil,setselectorto aFANposition.Then,set theMODE
controlat FANpositionor "HighCool"withthe TEMPcontroltoawarmerposition.
THEAIRCONDITIONERCOOLING,BUT ROOMISTOO WARM.
Check if...
Dirty airfilter- air restricted. Clean airfilter. Refer to Maintenance section ofowner's manual.
TEMP Control set too warm. Turn TEMP control clockwiseto acooler setting (higher number).
Front of unit is blocked by drapes, blinds,furniture, Clear blockage infront 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. Allowadditionaltimeto removestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
IOutside temperature is extremely hot. i Set MODE onHIGH speedto bring air pastcooling coils faster, i
NOISE WHEN UNIT IS COOLING.
Check if... Then...
[ Soundoffanhittingwater- fromthemoistureremovalsystem, t This is normal when humidityis high. Closedoors,windows, and registers, t
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 isimproperly installed. Tiltair 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 largequantities of moisture This is normal during excessively humid days.
from humid room.
-13-
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