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.
Housefuse blownorcircuitbreakertripped.
MODEselectorisOFFposition.
Unitwastemedoffandthenontonquickly.
TEMPControlsetwarmerthanroomtemperature.
Then...
t ush plugtirmlyintowallouUet.
Replacefusewithtimedelaytypeorresetdrceitbreaker.
TurnMODEselectortothedesiredCOOLset_ng.
Turnunitoffandwait3minutesbeforerestarti_.
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 toacoolersetti_.
Coolingmaynotoccuruntilroomtemperaturedsesabove70°F(21°C).
Straightentubeawayfromcoil.
THEAIRCONDITIONERCOOUNG,BUTROOMISTOOWARM- ICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if... Then..,
Outdoortemperaturebelow70°F(21°C). Todeffostthecoil,setselectortoFANposition.Then,ternTEMPcontrol ]
counterclockwisetoawarmerset_ng.
Airfiltermay bedirty. Cleantilter.RefertoMaintenancesectionofowneCsmanual.Todefrost,
setselectortoFANposition.
J
TEMPConlmlsettoocoldfornight-timecooling. Todefrostthecoil,setsel,,e_,,ortoaF_ posi_on.Then,settheMODE {
controlatFANpositionor HighCo_ withtheTEMPcoctrdtoawarmerposition,j
THEAIRCONDI'[]ONERCOOUNG,BUTROOMISTOOWARM- NOICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if...
Dirtyairfilter- air resl]icted.
TEMP Controlsettoowarm.
Frontofunitisblockedbydrapes,blinds,furniture,
etc.Airdis_butionisrestricted.
Doors,windows,re_]isters,etc.open.Coldairescapes.
Unitrecentlyturnedoninhotroom.
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. I SetMODEonHIGHspsedtobringairpastcoolingcoilsfaster. 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...
Theairconditionerisimpropertyinstalted. I Tiltaircenditionerslightlytotheoutsidetoallowwaterdrainege.Referto
installationinstructionsorcheckwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theunitisremovinglargequantitiesofmoisture Thisisnormalduringexcessivelyhumiddays.
fromhumidroom.
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