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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 disconnected.
Housefuse btownor circuitbreakertripped.
Power is OFF.
Unitwasturned off andthenon tooquickly.
TEMP Controlset warmerthanroomtemperature.
Pushplug firmlyinto walloutlet.
Replace fuse withfime delaytype or resetcircuit breaker.
Pushthe powerbutton.
Set unit offandwait3 minutesbeforerestarting.
Set TEMPControlto a lower number.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if...
Then..,
FAN SPEED set at LOW.
TEMPControl set toowarm.
Roomtemperature below70°F (21°C).
Temperaturesensingtubetouchingcold coil,
locatedbehind airfilter.
PushFAN SPEEDbuttontoset at HI.
Set TEMPControlto a lowertemperature.
Coo(ing may nutoccuruntil roomtemperaturerises above70°F (21°C).
Straighten tube awayfrom coil.
THE AIRCONDITIONER
COOUNG, BUT ROOM ISTOO WARM -ICE FORMING O NCOOUNG COILBEHIND INLET GRILLE,
Check if...
Then..,
Outdoortemperature b elow 70°F (21°C).
To defrost t he coil,setthe MODE toFAN.
Air filtermay be dirty.
Cleanairfilter. R eferto Maintenance sectionof owner'smanual.
TEMP Controlset toolower fornight-timecooling.
Todefrost thecoil, s etthe MODE to FAN or "HighCool"withthe
TEMPoo_ to ahigher n umber.
THEAIR CONDITIONER C OOLING, BUTROOMISTOOWARM - NOICEFORMING ONCOOUNGCOILBEHIND INLET GIRILLE.
Check if...
Dirtyair filter- air restricted.
TEMP Controlset too warm.
Front of unit is blockedby drapes,blinds,furniture,etc.
Air distributionis resthcted.
Doors,windows,registers,etc. open.Cold air escapes.
Unitrecentlyturnedon inhot room.
Then..,
Cleanair filter.RefertoMaintenance sectionof owner'smanual,
SetTEMPCoutrol to a lower number.
Clearblockage i nfront ofunit.
Closedoors,windows, registurs,etc.
Allow add'_nal _
to remove s tcredheat f romwalls, c eiling, f loor, a ndfumilore.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if...
Then...
I Outside temperature
isextremely h ot.
I SetFANSPEEDonHItobrthgairpastceolingcoilsfaster.
NOISE WHEN UNIT'IS COOLING.
Check if...
I Soundoffan hittlog water- moistureremovalsystem.
Window vibration - poorinstallafion.
I
Then..,
I This is earmal w heahumid_is high.Closedoors,windows,and registers.
Refertolostalla_on ins_ctions or checkw th nstaller.
WATER
DRIPPING
INSIDE WHEN
UNIT IS COOLING.
Check
if...
Then..,
I The air ooedtlionerisimproperlyinstalled.
I Tilt a,rcondtlloner s lightly t o the outsideto allowwaterdrainage.Referto
instaUatton i nstructons orcheck w th nsta er.
WATER
DRIPPING
OUTSIDE
WHEN
UNIT IS COOLING,
Check
if...
Then...
I The unit is removing large quantilies of moisture
This is normal during excessively humid days.
from humid room.
-14-
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