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...
Wallplugdisconnected.
Housefuseblownor circuitbreakertripped.
MODEselectoris OFFposition.
Unitwastemed offand thenon tonquickly.
TEMPControlsetwarmerthan roomtemperature.
Then...
tushplugtirmlyintowallouUet.
Replacefusewithtimedelaytypeor resetdrceitbreaker.
TurnMODEselectortothedesiredCOOLset_ng.
Turnunitoffand wait3 minutesbeforerestarti_.
TurnTEMPControlclockwisetoacoolersetting(highernumber).
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
MODEselectorinaLOWCOOLposition.
TEMPControlsettoowarm(lowernumber).
Roomtemperaturebelow70°F(21°C).
Temperaturesensingtubetouchingcoldcoil,
locatedbehindairtilter.
TurnselectortoaHIGHCOOLposition
TurnTEMPControl_e to acoolersetti_.
Coolingmaynotoccuruntilroomtemperaturedsesabove70°F(21°C).
Straightentubeawayfromcoil.
THEAIRCONDITIONERCOOUNG,BUTROOMIS TOOWARM-ICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if... Then..,
Outdoortemperaturebelow70°F(21°C). Todeffost thecoil,setselectortoFANposition.Then,ternTEMP control ]
counterclockwisetoa warmerset_ng.
Airfiltermay be dirty. Cleantilter.RefertoMaintenancesectionofowneCsmanual.To defrost,
setselectortoFAN position. J
TEMPConlmlset toocold fornight-timecooling. Todefrostthecoil,setsel,,e_,,ortoaF_ posi_on.Then,settheMODE {
controlat FANpositionor HighCo_ withtheTEMPcoctrdto awarmerposition,j
THEAIRCONDI'[]ONERCOOUNG,BUTROOMISTOOWARM- NOICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if...
Dirtyairfilter-airresl]icted.
TEMPControlset toowarm.
Frontofunit isblockedbydrapes,blinds,furniture,
etc.Airdis_bution is restricted.
Doors,windows,re_]isters,etc. open.Coldairescapes.
Unitrecentlyturnedonin hot room.
Then...
Cleanairfilter.RefertoMaintenancesec_onofowner'smanual
"rumTEMPcontrolclockwisetoacoolersetting(highernumber).
Clearblockageinfrontofunit.
Closedoors,windows,r_isters,etc.
Allowadditionaltimetoremovestoredheatfromwalls,ceiling,ttoor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatoreisextremelyhot. ISetMODEonHIGHspsedtobringairpastcoolingcoilsfaster. 1
NOISE WHEN UNIT IS COOLING.
Check if...
Soundoffanhittingwater- moistureremovalsystem.
Windowvibration- poorinstallation.
Then...
Thisisnormalwhenhumidityishk.:.:jh.C_e doors,windows,andregisters.
Refertoinstella_n instructionsorcheckwithinstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theairconditioneris impropertyinstalted. I Tiltaircenditionerslightlytotheoutsideto allowwaterdrainege.Referto
installationinstructionsorcheckwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT ISCOOLING.
Check if... Then...
Theunitisremovinglargequantitiesofmoisture Thisisnormalduringexcessivelyhumiddays.
fromhumidroom.
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