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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...
Wall plug disconnacted.
Housefuse blown orcircuit b reakertripped.
Power isOFF.
Unit wasturned offand thenon too quickly.
TEMP Controlsetwarmerthan roomtemperature.
Pushplug firmly intowalloutlet.
Replacefusewithtime delay typeor reset circuitbreaker.
Pushthe powerbutton.
Set unit off and wait3 minutesbefore restarting.
Set TEMPControlto a lower number.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if...
Then...
FAN SPEED setat LOW.
TEMP Controlset too warm.
Room temperaturebelow 70°F (21°C).
Temperaturesensing tube touchingcoldcoil,
locatedbehindair filter.
PushFANSPEED buttonto setat HI.
SetTEMPControlto a lower temperature.
Coolingmay not occuruntil roomtemperaturerises above 70°F (21°C).
Straightentube away from coil.
THE AIRCONDmONER COOUNG, BUT ROOM ISTOOWARM-ICE FORMING O NCOOUNG COIL BEHIND INLET GRILLE.
Check if...
Then...
Outdoor temperature b elow 70°F (21°C).
To defrostthe coil,settheMODE toFAN.
Air filter may be dirty.
Cleanairfilter. R efertoMaintenance section of owner's manual.
TEMP Controlsettoolowerfornight-timecooling.
Todefrost thecoil, s ettheMODE to FANor"HighCool"with the
TEMPcontro_ toa highernumber.
THEAIRCoNOmONERCOOUNG, B UTROOM ISTOOWARM- NOICEFORMING ONCOOUNOCOILBEHINDINLET GIRILLE
Check
if...
Dirtyair filter- air restricted.
TEMPControl settoo warm.
Frontof unit is blockedbydrapes,blinds,fumiture,etc.
Air distributionis resbicted.
Doors,windows,rerJisters, e tc. open.Coldair eseapes.
Unit recenfiytumedon in hot room,
Then...
Cleanair filter. R efertoMaintenance sectionofowner's manual.
Set TEMPControl t o a lowernumber.
Clearblockageinfront of unit.
Closedoors, w indows,registers,etc.
Allowadditional timeto remove stored heat f romwalls, c eiling, f loor,andfumifure.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if...
Then...
I Outside t emperature isextremely h ot.
F SetFANSPEED onHIte bnng airpastcooilng coilsfaster.
NOISE WHEN UNIT IS COOLING.
Check if...
I Sound of fanhitting water- moistureremovalsystem.
Window vibrafion - poor instalLafion.
I
Then...
I This is normalwhen humidityis high,Closedoors,windows,andregisters.
Referto installafioninstructions or check w th nstailer.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if...
Then.,.
I Theaireonditiooerisimpropedyinstalled.
I Tiltaircondifionerslightlytotheoutsidetoalfuwwaterdrainage.
Refertol
installafion
instructions
orcheckwith installer,
i
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if...
Then...
Theunitisremoving largequantities ofmoisture
Thisisnormal d uring excessively humid days.
fromhumidroom.
-14-
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