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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
;heck if... Then...
Wallplugdisconnected.
Housefuseblownorcircuitbreakertripped.
MODEselectorisOFFposition.
UnitwasturnedoffbymovingTEMPControltoa warmer
andthenimmediatelyturningbacktoacoldersetting.
Unitwasturnedoffandthenontonquickly.
TEMPControlsetwarmerthanroomtemperature.
Pushplugfirmlyintowalloutlet.
Replacefusewithtimedelaytypeorresetcircuitbreaker.
TurnMODEselectortothedesiredCOOLsetting.
Waitapproximately3minutes.Listenfor compressortostart.
Turnunitoffandwait3 minutesbeforerestarlJng.
TurnTEMPControlclockwisetoacoldersetting(highernumber).
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
MODEselectorina LOWCOOLposition.
TEMPControlsettonwarm(lowernumber)
Roomtemperaturebelow70°F(21°C)
Temperaturesensingtubetouchingcoldceil,
locatedbehindairfilter.
Turnselectortoa h_herCOOLposition
TurnTEMPControldeckwisetoacoldersetting.
Coolingmaynotoccuruntilroomtemperaturerisesabove70°F(21°C).
Straightentubeawayfromcoil.
THEAIRCONDI110NERCOOLING,BUTROOMISTOOWARM-ICE FORMINGONCOOLINGCOILBEHINDDECORATIVEFRONT.
Check if... Then...
Outdoortemperaturebelow70°F(2!°C).
Airfiltermaybedirty.
TEMPControlsettoocoldfornight-timecooling.
Todefrostthecoil,setselectortoFANposition.Then,turnTEMPControl
clockwisetoawarmersetting.
Cleantilter RefertoMaintenancesectionofowner'smanual.Todefrost,
setselectortoFAN,
Todefrosttheceil,setselectortoaFANposition.Then,setTEMPControl
toawarmerposition.
THEAIRCONDmoNERCOOUNG,BUTROOMISTOOWARM-NOICEFORMINGONCOOUNGCOILBEHINDDECORATNEFRONT.
Check if...
Dirtyairtilter-airrestricted.
TEMPControlsettonwarm.
Frontofunitisblockedbydrapes,blinds,furniture,
etc.Airdistributionisrestricted.
Doors,windows,registers,etc.open.ColdairescaF_.
Unitrecentlyturnedoninhotroom.
Then...
Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
TurnTEMPControlclockwisetoacoldersetting.
Clearblockageinfrontofunit.
Closedoors,windows,registers,etc.
Allowadd_ timetoPernovestoredheatfromwalls,ceiling,floor,andfumiture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetMODEonHIGHspeedtobringairpastcoolingcoilsmerefrequently. I
m
NOISE WHEN UNIT IS COOLING.
Check if... Then...
AirmovementSoundistooioed. TurnselectortoLOWsetlJng. |
Soundoffanhittingwater- moistureremovalsystem. Thisisnormalwhenhurniddyishigh.Closedoors,windows,andregisters.
/
Windowvibration- poorinstallation. Refertoinstallationinstructionsorcheckwi_installer.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theairconditionerisimproperlyinstalled. "nitairconditionerslightlytotheoutsidetoallowwaterdrainage.Referto
installationinstructions.Checkwithinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theunitisremovinglargequantityofmoisture Thisisnormalduringexcessivelyhumiddays.
fromhumidroom.
-13-
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