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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...
Wall plugdisconnected.
Housefuse blownor circuitbreakertripped.
MODE selectoris OFFposition.
Unitwas temedoff andthenon ton quickly.
TEMPControlsetwarmerthan roomtemperature.
Then...
t
ush plugtirmlyintowallouUet.
Replacefusewithtime delaytype or resetdrceit breaker.
TurnMODE selectortothe desiredCOOLset_ng.
Turnunitoff andwait3 minutesbeforerestarti_.
TurnTEMPControlclockwiseto a coolersetting(highernumber).
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if...
Then...
MODE selector ina LOW COOL position.
TEMP Control settoowarm (lower n umber).
Room temperature below 70°F(21 °C).
Temperature sensing tubetouching coldcoil,
located behind airtilter.
Turnselector toa HIGH COOL position
TurnTEMP Control _e
to acooler s etti_.
Cooling m aynotoccur u ntilroom temperature dses above 70°F(21 °C).
Straighten tubeaway fromcoil.
THEAIR CONDITIONER C OOUNG, B UTROOM ISTOOWARM- ICEFORMING ON COOUNG COILBEHIND INLET GRILLE.
Check if...
Then..,
Outdoortemperaturebelow 70°F(21°C).
Todeffost thecoil,setselectorto FANposition.Then,tern TEMPcontrol ]
counterclockwise t oa warmerset_ng.
Air filtermay be dirty.
Cleantilter.Referto Maintenance sectionof owneCsmanual. T o defrost,
set selectorto FAN position.
J
TEMPConlml settoo cold fornight-timecooling.
Todefrost t hecoil,setsel , ,e_,
,ortoa F_ posi_on. Then,setthe MODE
{
control at FANposition or HighCo_ withtheTEMPcoctrd to awarmer position, j
THE AIRCONDI'[]ONER
COOUNG, BUTROOM ISTOO WARM - NOICE FORMING ONCOOUNG C OIL BEHIND INLET GRILLE.
Check
if...
Dirtyairfilter- air resl]icted.
TEMP Controlset too warm.
Frontof unit isblockedby drapes,blinds,furniture,
etc.Air dis_bution is restricted.
Doors,windows,re_]isters, etc. open.Coldair escapes.
Unitrecentlyturnedon in hot room.
Then...
Cleanair filter.Referto Maintenance sec_onof owner's manual
"rumTEMPcontrolclockwiseto a coolersetting(highernumber).
Clearblockagein frontof unit.
Close doors, w indows, r_isters, etc.
Allow additional
time toremove stored h eat from walls, ceiling, ttoor, and furniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if...
Then...
I Outsidetemperatoreisextremelyhot.
I SetMODEonHIGHspsedtobringairpastcoolingcoilsfaster.
1
NOISE WHEN UNIT IS COOLING.
Check if...
Sound offanhitting water - moisture r emoval system.
Window vibration - poor installation.
Then...
Thisis normal w hen humidity is hk.:.:j
h. C_e doors, w indows, andregisters.
Referto instella_n instructions or checkwithinstaller.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if...
Then...
Theairconditioner isimproperty instalted.
I Tiltaircenditioner slightly t otheoutside toallow water drainege. Refer to
installation instructions orcheck withinstaller.
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if...
Then...
Theunitisremoving l arge quantities o fmoisture
This isnormal during excessively humid days.
fromhumid room.
-12-
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