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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 plugdisconnected.
House fuse blown orcircuit breaker tripped.
Power is OFF.
Unitwas turned off and then on too quickly.
TEMP Control setwarmer than room temperature.
The current interrupter device is triped
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or reset circuitbreaker.
Push the power button.
Set unit offand wait 3 minutes before restarting.
Set TEMP Controlto lowertemperature.
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...
FAN SPEED set at LOW.
TEMP Control settoo warm.
Room temperature below 70°F (21°C).
Temperature sensing tube touching evaporator coil,
located behindfront grille.
Then...
Push FAN SPEED buttonto set at HI.
Set TEMP Controlto lowertemperature.
Cooling may not occur until room temperature rises above 70°F (21°C)
Straighten tube away from evaporator coil.
THEAIRCONDmONERCOOLING,BUTROOMISTOOWARM-ICE FORMINGONCOOLINGCOILBEHINDFRONTGRILLE.
Check if... Then...
Outdoor temperature below70°F (21°C) To defrostthe coil, setthe MODE to FAN.
Air filtermay be dirty. Clean air filter. Refer to Maintenance section of owner's manual.
TEMP Control settoo cold for night-time cooling. To defrostthecoil,setthe MODE to FAN or "High Cool" with the
TEMPcontrolto hiqhertemperature.
THE AIRCONDITIONERCOOLING,BUT ROOMISTOO WARM.
Check if... Then...
Dirtyairfilter- airrestricted. Cleanairfilter.Referto Maintenancesectionofowner'smanual.
TEMPControlsettoowarm. SetTEMPControlto lowertemperature.
Frontofunitisblockedbydrapes,blinds,furniture,etc. Clearblockagein frontofunit.
Airdistributionisrestricted.
Doors,windows,registers,etc.open.Coldairescapes. Closedoors,windows,registers,etc.
Unitrecentlyturnedon inhotroom. Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetFANSPEEDonHItobringairpastcoolingcoilsfaster. I
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Soundoffanhittingwaterfromthemoistureremovalsystem. Thisisnormalwhenhumidityishigh.Closedoors,windows,andregisters.
Windowvibration- poorinstallation. Refertoinstallationinstructionsor checkwithinstaller.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
Theairconditionerisimproperlyinstalled. TiltinstallationairconditionerinstructionsSlightlYortOchecktheoutsidewithinstaller.t°allowwaterdrainage.Referto
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theunitis removinglargequantitiesofmoisture Thisisnormalduringexcessivelyhumiddays.
fromhumidroom.
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