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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.
Housefuse btownorcircuitbreakertripped.
PowerisOFF.
Unitwasturnedoffandthenon tooquickly.
TEMP Controlsetwarmerthanroomtemperature.
Pushplugfirmlyintowalloutlet.
Replacefusewithfimedelaytypeor resetcircuitbreaker.
Pushthepowerbutton.
Setunitoffandwait3minutesbeforerestarting.
SetTEMPControltoalowernumber.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then..,
FANSPEEDsetatLOW.
TEMPControlsettoowarm.
Roomtemperaturebelow70°F(21°C).
Temperaturesensingtubetouchingcoldcoil,
locatedbehindairfilter.
PushFANSPEEDbuttontosetatHI.
SetTEMPControltoa lowertemperature.
Coo(ingmay nutoccuruntilroomtemperaturerisesabove70°F(21°C).
Straightentubeawayfromcoil.
THEAIRCONDITIONERCOOUNG,BUTROOMISTOOWARM-ICEFORMINGONCOOUNGCOILBEHINDINLETGRILLE,
Check if... Then..,
Outdoortemperaturebelow70°F(21°C). Todefrostthecoil,settheMODEtoFAN.
Air filtermay bedirty. Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
TEMP Controlsettoolowerfornight-timecooling. Todefrostthecoil,setthe MODEtoFANor "HighCool"withthe
TEMPoo_ toahighernumber.
THEAIR CONDITIONERCOOLING,BUTROOMISTOOWARM- NOICEFORMINGONCOOUNGCOILBEHINDINLETGIRILLE.
Check if...
Dirtyairfilter- air restricted.
TEMP Controlsettoowarm.
Frontofunitisblockedbydrapes,blinds,furniture,etc.
Air distributionisresthcted.
Doors,windows,registers,etc.open.Cold airescapes.
Unitrecentlyturnedon inhot room.
Then..,
Cleanairfilter.RefertoMaintenancesectionofowner'smanual,
SetTEMPCoutroltoa lowernumber.
Clearblockageinfrontofunit.
Closedoors,windows,registurs,etc.
Allowadd'_nal_ toremovestcredheatfromwalls,ceiling,floor,andfumilore.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetFANSPEEDonHItobrthgairpastceolingcoilsfaster.
NOISE WHEN UNIT'IS COOLING.
Check if...
I Soundoffanhittlogwater- moistureremovalsystem.
Windowvibration- poorinstallafion.
I
Then..,
I Thisisearmalwheahumid_ishigh.Closedoors,windows,and registers.
Refertolostalla_onins_ctions or checkwth nstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if... Then..,
I Theairooedtlionerisimproperlyinstalled. I Tilta,rcondtllonerslightlytotheoutsideto allowwaterdrainage.Referto
instaUattoninstructonsorcheckw th nsta er.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING,
Check if... Then...
I The unit is removing large quantilies ofmoisture This is normal duringexcessively humiddays.fromhumidroom.
-14-
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