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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...
Wallplugdisconnected.
Housefuseblownorcircuitbreakertripped.
PowerisOFF.
Unitwasturnedoffandthenontooquickly.
TEMPControlsetwarmerthanroomtemperature.
Thecurrent interrupterdevice istriped
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or reset circuit breaker.
Push the power button.
Set unit off and wait 3 minutes before restarting.
Set TEMP Control to lower temperature.
Press the RESET button located on the power cord plug
If the RESET button will not stay engaged, discontinue use of the
air conditioner and contact a qualified service technician.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if...
FAN SPEED set at LOW.
TEMP Control set too warm.
Room temperature below 70°F (21°C).
Temperature sensing tube touching evaporator coil,
located behind front grille.
Then...
PushFANSPEEDbuttontosetatHI.
SetTEMPControltolowertemperature.
Coolingmaynotoccuruntilroomtemperaturerisesabove70°F(21°C)
Straightentubeawayfromevaporatorcoil.
THEAIRCONDITIONERCOOLING,BUTROOMISTOOWARM-ICE FORMINGONCOOLINGCOILBEHINDFRONTGRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C) To defrost the coil, set the MODE to FAN.
Air filter may be dirty. Clean airfilter. Refer to Maintenance section of owner's manual.
TEMP Control set too cold for night-time cooling. To defrostthecoil,setthe MODE to FAN or "High Cool" with the
TEMP controltohiqhertemperature.
THEAIRCONDITIONERCOOLING, BUTROOM IS TOOWARM.
Check if... Then...
Dirtyairfilter- airrestricted. Cleanairfilter.RefertoMaintenancesectionofowner'smanual.
TEMPControlsettoowarm. SetTEMPControltolowertemperature.
Frontofunitisblockedbydrapes,blinds,furniture,etc. Clearblockageinfrontofunit.
Airdistributionisrestricted.
Doors,windows,registers,etc.open.Coldairescapes. Closedoors,windows,registers,etc.
Unitrecentlyturnedoninhot room. Allowadditionaltimetoremovestoredheatfromwalls,ceiling,floor,andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I SetFANSPEEDonHItobringairpastcoolingcoilsfaster.
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Soundoffanhittingwaterfromthemoistureremovalsystem. Thisisnormalwhenhumidityishigh.Closedoors,windows,andregisters.
Windowvibration- poorinstallation. Referto nstaaton nstructonsorcheckwth nsta er.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
Theairconditionerisimproperlyinstalled. Tiltairconditionerslightlytotheoutsidetoallowwaterdrainage.Referto
installationinstructionsor checkwith installer.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
Theunitisremovinglargequantitiesofmoisture Thisis normalduringexcessivelyhumiddays.
fromhumidroom.
-14-
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