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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 Pfu9disconnected.
House fuse blown or circuitbreakertdpped.
Power is OFF.
Unitwas turned off andthen on too quickly.
TEMP Controlset warmerthan roomtemperature.
Pushplugfirmly intowalloutlet.
Replacefuse with time delay type or reset circuitbreaker.
Pushthe powerbutton.
Set unitoff andwait 3 minutesbefore resta_n9.
SetTEMP Controltoa lower number.
AIR FROM
UNIT DOES NOT FEEL COLD
ENOUGH.
Check if...
Then...
FANSPEED set at LOW.
TEMPControl set toowarm.
Roomtemperature below 66°F (19°C).
Temperaturesensingtube touching coldcoil,
located behindairtilter.
PushFAN SPEEDbuttontoset at HI.
Set TEMPControlto a lowertemperature.
Cooling] m ay not occuruntil roomtemperaturedsesabove 66°F (19°C).
Straightentube awayfrom coil.
THE AIRCONDmONER C OOUNG, BUTROOM ISTOOWARM -ICE FORMING O NCOOUNG COIL BEHIND INLET GRILLE.
Check if...
Then...
Outdoor temperaturebelow 66°F (19°C).
To defrostthe coil,set the MODE to FAN.
Air tilter may be dirty.
Cleanair filter.Referto Maintenancesectionof owner'smanual.
TEMPControlset too lowerfor night-timecooling.
Todefrost t hecoil, s etthe MODE to FANor"High Cool"withthe
TEMPocolrol t o ahighernumber.
THEAIRCONDITIONER COOUNG, B UTROOM ISTOOWARM- NOICEFORMING ONCOOUNGCOILBEHIND INLETGRILLE
Check
if...
Dirtyair filter - air restricted.
TEMPControl set too warm.
Front of unit is blockedby drapes,blinds,fum_re, etc.
Air distributionis restricted.
Doom,windows, recjisters, e tc. open.Coldair escapes.
Unit recentlytumedon inhot room.
Then...
Cleanairtilter. R efertoMaintenancesectionof owner'smanual.
SetTEMPControlto a lower number.
Clearblockageinfrontof unit.
Closedoors,windows, r egisters,etc.
Allowadditional timetoremove storedheal f romwalls,ceiling, floor, a ndfurniture.
THE AIR CONDITIONER
TURNS
ON AND OFF RAPIDLY.
Check if...
Then...
I Outsidetemperatureisextremelyhot.
I SetFANSPEEDonHItubnngairpastcoolingcoilsfaster.
NOISE WHEN UNIT IS COOLING.
Check if...
Sound offan hi_n9water- nmistureremoval system,
Window vibration - poorinstallation.
Then...
I This isnormalwhenhumidityishigh.Closedoors,windows, andregisters.
Refertoinstaationnstruct o nsor check wth nsta er.
WATER DRIPPING INSIDE WHEN UNIT IS COOLING.
Check if...
Then...
I Theairconditionerisimpropedyinstalled.
I
Tni_s_aa_at_c_°_n°nditi°n_nerctis_Jght_yt_c_:°_tt_idestt°_J_r°_aterdrainage_R
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if...
Then...
The unit is removing large quantibes of moisture
from humid room,
I Thisis normalduringexcessivelyhumid days.
-14-
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