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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...
Wallplugdisconneded.
Housefuse btownorcircuitbreakertripped.
PowerisOFF.
Unitwasturnedoffandthenontooquickly.
TEMP Controlsetwarmerthanroomternperatum.
Pushplugfirmlyintowailoutlet.
Replacefusewithtimedelaytypeor resetdrcuitbreaker.
Pushthepowerbutton.
Turnunitoffand wait3minutesbeforerestarting.
TumTEMPControltoalowernumber.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
FANSPEEDseta LOW.
TEMP Controlsettoohighernumber.
Roomtemperatureb_ow 66°F(19°C).
Temperaturesensingtubetouchingcoldcoil,
locatedbehindairfilter.
PushFANSPEEDbuttontoseta HI.
TumTEMPControlto alowernumber.
Coolingmaynotoccurunfilroomtemperaturedsesabove66°1:(19°C).
S_ighten tubeawayfromcoil.
THEAIRCONDmONERCOOUNG,BUTROOMISTOOWAI_ -ICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if...
Outdoor temperaturebelow66°F (19°C).
Air filter may be dirty.
TEMPControlsettoolowerfornight-fimecooling.
Then...
To defrostthecoil,setMODEtoFAN.
Clean airfilter. Referto Maintenancesection of owner'smanual.
To defrostthecoil,settheMODEto FANor"HighCool" withthe
TEMP controltoa highernumber.
THEAIRCONDITIONERCOOUNG,BUTROOMISTOOWARM- NOICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if...
Dirtyairfilter- airrestricted.
TEMPControlsettoohighernumber.
Frontofunitisblockedby drapes,blinds,furniture,
etc,Airdistributionisreskicted.
Doors,windows,registers,etc.open.Coldairescapes.
Unitrecentlyturnedoni_hotroom.
Then...
Cleanair_er. RefertoMaintenancesectionofowner'smanual.
"rumTEMPcontroltoalowernumber.
Clearblockageinfrontofunit.
Closedoors,windows,registers,etc.
Allowed_r_llime toremovestoredheatfromwalls,oeiling,l_z, andfurniture.
THE AIR CONDITIO,NER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetamperatureisextremelyhot. I SetFANSPEEDenHItobringairpastccolingceilsmorefmquenfiy.
NOISE WHEN UNIT IS COOLING.
Check if.,.
Soundoffanhittingwater- moistureremovalsystem.
Windowvibration- poorinstallation.
Then...
Thisisnormalwhenhumidityishigh.Closedoors,windows,andregisters.
Refertoinstalla_enins'euctlonsorcheckwithinstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if... Then...
I Theairconditionerisimproperlyinstalled. I Tillairconditionerslighfiytotheoutsidetoallowwaterdrainage.Referto
installa_oninstrucitonsorcheckwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if.., Then...
I Theunitisremovinglargequantitiesofmoistare Thisisnormaldudngexcessivelyhumiddays.
fromhumidroom.
I
I
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