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...
Wall plugdisconneded.
Housefuse btownorcircuitbreakertripped.
PowerisOFF.
Unitwasturnedoffandthenontooquickly.
TEMP Controlsetwarmerthanroomternperatum.
Pushplugfirmlyintowailoutlet.
Replacefusewithtimedelaytypeor resetdrcuit breaker.
Pushthepowerbutton.
Turnunitoffand wait3 minutesbeforerestarting.
TumTEMPControltoa lowernumber.
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.
TEMPControlset toolowerfornight-fimecooling.
Then...
To defrostthecoil,set MODEto FAN.
Clean airfilter. Refer to Maintenancesection of owner'smanual.
To defrost thecoil,settheMODEto FANor"High Cool" withthe
TEMP controlto a highernumber.
THEAIRCONDITIONERCOOUNG,BUTROOMISTOOWARM- NOICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if...
Dirtyairfilter- airrestricted.
TEMPControlsettoohighernumber.
Frontofunitis blockedby drapes,blinds,furniture,
etc,Air distributionisreskicted.
Doors,windows,registers,etc.open.Coldairescapes.
Unitrecentlyturnedoni_hotroom.
Then...
Cleanair_er. Referto Maintenancesectionofowner'smanual.
"rumTEMPcontrolto a lowernumber.
Clearblockageinfrontof unit.
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.
Referto installa_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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