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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... Then...
Wallplugdisconnected.
Housefuseblownorcircuitbreakertripped.
MODEselectorisOFFposition,
UnitwastumedoffbymovingTEMPControltoawarmer
andthenimmediatelyturningbacktoacoldersetting.
Unitwasturnedoffandthenontooquid<iy.
TEMPControlsetwarmerthanroomtemperature.
Pushpingfirmlyintowailoutlet.
Replacefusewithtimedelaytypeorresetcircuitbreaker.
TurnMODEselectortothedesiredCOOLsetting.
Waitapproximately3minutes.Ustenfor compressortostart.
Turnunitoffandwait3minutesbeforerestarting.
TurnTEMPControlclockwisetoacoldersetting(highernumber).
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
MODEselectorinaLOWCOOLposition.
TEMPControlsettoowarm(lowernumber).
Roomtemperaturebelow70°F(21°C).
Temperaturesensingtubetouchingcoldcoil,
locatedbehindairtilter.
TurnselectortoaHIGHCOOLposition
TurnTEMPControlclockwisetoacoldersetting.
Coolingmaynotoccuruntilroomtemperaturerisesabove70°F(21°C).
Straightentubeawayhemcoil.
Airfiltermaybedirty.
TEMPControlsettoocoldfornight-timecooling.
THEAIRCONDmONERCOOUNG,BUTROOMISTOOWARM-ICE FORMINGONCOOLINGCOILBEHINDDECORA'RVEFRONT.
;heck if... Then...
Outdoortemperaturebelow70°F(21°C). Todefrostthecoil,setselectortoFANposition.Then,turnTEMPControl
clockwisetoawarmersetting.
Cleanfilter.RefertoMaintenancesectionofowner'smanual.Todefrost,
setselectortoFAN.
Todefrostthecoil,setselectortoa FANposition.Then,setTEMPControl
toawarmerpositbn.
THEAIRCONDITIONERCOOLING,BUTROOMISTOOWARM- NOICEFORMINGONCOOLINGCOILBEHINDDECORA11VEFRONT.
Check if...
Dirtyairfilter- airrestricted.
TEMPControlsettoowarm.
Frontofunitisblockedbydrapes,blinds,furniture,
etc.Airdistributionisres_ctad.
Doors,windows,registers,etc.open.Co!dairescapes.
Unitrecentlyturnedoninhotroom.
Then...
Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
TumTEMPControlclockwisetoacoldersetting.
Clearblockageinfrontofunit.
Closedoors,windows,registers,etc.
Allowaddi_ timetoremovestoredheatfromwalls,ceiling,flocr,andlurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetMODEonHIGHspeedtobringairpastcoolingcoilsmorefrequently. I
NOISE WHEN UNIT IS COOLING.
Check If... Then...
Airmovementsoundistooloud.
Soundoffanhittingwater- mo!stureremovalsystem.
Windowvibration- poorinstallation.
I umselectortoLOWsettJng.
Thisisnemlatwhenhumidityishkjh.Ck_edeors,windows,andregisters.
Refertoinstallationinstructionsorcheckwithinstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check If... Then...
Theairconditionerisimproperlyinstalled. Tiltairconditionerslightlytotheoutsidetoallowwaterdrainage.Referto
instailaltoniostnJctJons.Checkwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theunitisremovinglargequantityofmoisture Thisisnormalduringexcessivelyhumiddays. I
fromhumidroom.
I
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