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 CONDITIONERWILL NOT OPERATE
Check if...
Then...
Wall plug disconnected.
[
Housefuse blown or circuitbreaker tripped.
/
MODEselector is OFF position.
Unitwasturned off by movingTEMP Controlto a warmer
and then immediatelyturningback to a colder setting.
Unitwasturned off and then on too quickly.
TEMP Controlset warmerthan room temperature.
AIR FROM
UNIT DOES NOT FEEL
COLD
ENOUGH.
Check
if...
Then...
Push plug firmly into wall outlet.
Replacefuse withtime delay type or resetcircuit breaker.
Turn MODEselectorto the desiredCOOL setting.
Wait approximately3 minutes.Listenfor compressorto start.
Turnunitoffandwait3 minutes before restarting.
TurnTEMPControl clockwise t o acolder setting (higher n umber).
MODEselector ina LOW COOL position.
TEMP Controlset too warm (lower number).
Roomtemperaturebelow 70 oF (21oC).
Temperature sensing tube touchingcold coil,
locatedbehindair filter.
Turnselectorto a higherCOOL position
TurnTEMP Controlclockwiseto a colder setting.
Coolingmay notoccur until roomtemperaturerises above 70 oF (21°C).
Straightentubeaway from coil.
THE AIRCONDITIONER
COOLING, BUT ROOM ISTOOWARM -ICE FORMING O NCOOLING C OIL BEHIND DECORATIVE
FRONT.
Check if...
Then...
Outdoor t emperature b elow 70°F (21°C).
Todefrost t hecoil,setselector t o FANposition. Then, t urnTEMPControl
clockwise t oa warmer s etting.
Airfiltermaybedirty.
Clean filter.Refer t o Maintenance section ofowner's manual. Todefrost,
setselector t o FAN.
TEMPControl settoocoldfornight-time c ooling.
Todefrost t hecoil,setselector t oa FANposition. T hen, setTEMPControl
to awarmer position.
THE AIRCONDITIONER
COOLING, BUT ROOM ISTOOWARM - NOICEFORMING O NCOOLING COIL BEHIND DECORATIVE
FRONT.
Check if...
Then...
Dirtyairfilter-air restricted.
Clean airfilter.RefertoMaintenance section ofowneCs m anual.
TEMPControl settoowarm.
TurnTEMPControl clockwise t o acolder setting.
Front o f unitis btocked b ydrapes, b linds, f urniture,
Clear b lockage infrontofunit.
etc.Airdistribution i s restricted.
Doors, windows, r egisters, etc.open.Coldairescapes.
Close doors,windows, registers, etc.
Unitrecently turned on inhotroom.
Allow addifional time toremove stored heat f rom walls, ceiling, floor, andfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if...
Then,..
I Outside temperature i sexbemely h ot.
I SetMODE onHIGH speed tobring airpastcooling coilsmorefrequently.
NOISE WHEN UNIT IS COOLING.
Check if...
Then,..
Airmovement sound is tooloud.
Turnselector t o LOWsetting.
Sound of fanhitting water- moisture r emoval system.
Thisis normal when humidity i s high. C losedoors, windows, andregisters.
Window vibration - poorinstallation.
Refer t o installation i nstructions orcheckwithinstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if...
Then,..
Theairconditioner isimproperly i nstalled.
Tiltairconditioner slightly totheoutside to allow waterdrainage. Refer t o
installation i nstructions. Check withinstaller
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if...
Then,..
Theunitis removing l arge quantity of moisture
Thisis normal d uring excessively humid days.
fromhumid room.
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