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BEFORE CALLING FOR SERVICE
Check the following listto 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 plug disconnected.
House fuse blown or circuit breaker tdpped.
Power is OFF.
Unitwasturnedoffandthenontooquickly.
TEMPControlsetwannerthanroomtemperature.
Push plug firmly into walloutlet.
Replace fuse withtime delay type or reset circuit breaker.
Push the powerbutton,
Set unit off and wait 3 minutes before restarting,
Set TEMP Control to a lower number,
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
FANSPEEDsetatLOW.
TEMPControlsettoowarm.
Roomtemperaturebelow70°F(21°C).
Temperaturesensingtubetouchingevaporatorcoil,
locatedbehindfrontgrille.
PushFANSPEEDbuttontosetatHL
SetTEMPControlto alowertemperature.
Coolingmaynotoccuruntilroomtemperaturerisesabove70°F(21°C),
Straightentubeawayfromevaporatorcoil.
THEAIRCONDn'IONERCOOUNG,BUTROOMISTOOWARM-ICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE.
Check if... Then...
Outdoortemperaturebelow70°F(21°C). Todefrostthe coil,settheMODEtoFAN,FANspeedtoHigh.
Airfiltermaybedi_. Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
TEMPControlsettoolow. Todefrostthecoil,settheMODEtoCool,Fanspeedtohigh,andthe
Tempcontroltoa highertemperature.
THEAIRCONDITIONERCOOUNG,BUTROOMISTOOWARM
Check if...
Dirtyairfilter- airrestricted.
TEMPControlsettoowarm.
Frontofunitisblockedbydrapes,blinds,furniture,etc.
Afrdistributieais restricted.
Doors,windows,registers,etc.open.Coldairescapes.
Unitrecentlyturnedonin hotream.
Then.,.
Cleanairfiltar.RefertoMaintenancesectionofowner'smanual.
SetTEMPControltoalowertemperature.
Clearblockageinfrontofunit
Close doors, windows,recjistere,etc.
Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY,
Check if.., Then...
! Outsidetemperatureisextramalyhot I SetFANSPEEDonHItobringairpastcoolingcoilsfaster. I
NOISE WHEN UNIT IS COOLING.
Check If... Then,..
I Soundoffanhittingwater- fromthemoistureremovalsystem.ThisisnormalwhenhumidityishighClosedoom,windows,andregistera
Windowvibration-poornstallatJon. Referoinstalfaioninstructionsorcheckwithnstaler.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if,.. Then...
t Theairoonditiooerisimproperlyinstalled. I 331tairconditionerslightlytotheoutaidetoallowwaterdrainage.Referto
installationnstructionsor checkwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
I Theunitisremovinglargequantitiesofmoisture
fromhumidroom. I Thisisoormaiduringexcessivelyhureiddays" t
-17-
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