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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...
Wallplug disconnected.
House fuse blown or circuit breaker tripped.
MODE selector is OFF position.
Unit was turned offand then ontoo quickly.
TEMP Controlset warmer than room temperature.
The current interrupter device is triped
Then...
Push plug firmly intowall outlet.
Replacefuse with time delay type or resetcircuit breaker.
Turn MODE selector tothe desiredCOOL setting.
Turn unit off andwait 3 minutes before restarting.
Turn TEMP Control clockwiseto acooler setting (higher number).
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 DOE8 NOT FEEL COLD ENOUGH.
Check if,.. Then...
FanSpeedSwitchinLOWposition. TurnFanSpeedSwitchto HIposition
ControlKnobsettoowarm. TurnMode/TempControlKnobclockwisetoacoolersetting.
Roomtemperaturebelo\u70°F(21°C). Coolingmaynotoccuruntilroomtemperaturerisesabove70°F(21°C).
Temperaturesensingtubetouchingevaporatorcoil, Removefrontgrille,andstraightentubeawayfromevaporatorcoil.
locatedbehindfrontgrille.
THEAIRCONDITIONERCOOLING,BUTROOM18TOOWARM- ICEFORMINGONCOOLINGCOILBEHINDINLETGRILLE.
Check if... Then...
Outdoortemperaturebelow70°F(21°C). Todefrostthecoil,setMode/TempControlKnobtoFanOnlyposition.
Airfiltermaybedirty. Cleanfilter.RefertoMaintenancesectionofowner'smanual.To defrost,
setMode/TempcontroltoFanOnlyposition.
Mode/TempcontrolKnobsettoocoldfor Todefrostthecoil,setMode/TempcontroltoFanOnlyposition.
night-timecooling.
THEAIRCONDITIONERCOOLING,BUTROOM18TOOWARM
Check if... Then...
Dirtyairfilter- airrestricted. Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
Mode/TempcontrolKnobsettoowarm. ControlKnobclockwisetoaCOOLERsetting.
Frontofunitisblockedbydrapes,blinds,furniture, Clearblockageinfrontofunit.
etc.Airdistributionisrestricted.
Doors,windows,registers,etc.open.Coldairescapes. Closedoors,windows,registers,etc.
Unitrecentlyturnedoninhotroom. Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURN8 ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetFanSpeedSwitchonHiGHspeedtobringairpastcoolingcoilsfaster. I
NOI8E WHEN UNIT 18 COOLING.
Check if... Then...
Soundoffanhittingwater-fromthemoistureremovalsystem. Thisisnormalwhenhumidityishigh.Closedoors,windows,andregisters.
Windowvibration- poorinstallation. Refertoinstallationinstructionsorcheckwithinstaller.
WATER DRIPPING INSIDE ROOM WHEN UNIT 18 COOLING.
Check if... Then...
Theairconditionerisimproperlyinstalled. Tiltairconditionerslightlytotheoutsidetoallowwaterdrainage.Referto
installationinstructionsorcheckwithinstaller.
WATER DRIPPING OUT81DE WHEN UNIT 18 COOLING.
Check if... Then...
Theunitisremovinglargequantitiesofmoisture Thisisnormalduringexcessivelyhumiddays.
fromhumidroom.
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