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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...
Wallplug disconnected.
House fuse blown or circuit breaker tripped.
MODE selector is OFF position.
Unit was tumed offand then ontoo quickly.
TEMP Control cot warmer than roomtemperature
Push plugfirmly into walloutlet.
Replacefuse withtime delay type or resetcircuit breaker.
Tum MODE selector to thedesired COOL setting.
Tum unit off andwait 3 minutes before restarting
Tum TEMP Controlclockwiseto a cooler setting(highernumber).
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if... Then...
MODE selector in LOW COOL Position.
TEMP Control set toowarm (lower number).
Roomtemperature below 70°F (21°C).
Temperature sensing tubetouching evaporator coit,
locatedbehind front grille.
Turn selector to HIGHCOOL position
Tum TEMP Controlclockwiseto a cooler setting(highernumber).
Cooling may notoccur until roomtemperature risesabove 70°F (21°C).
Straightentube away from evaporator coil
Airfilter may be dirty.
TEMP Control set toocold for night-time cooling.
THE AIR CONDITIONER COOLING, BUT ROOM IS TOO WARM - ICE FORMING ON COOLING COIL BEHIND FRONT GRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C). To defrost thecoil, set selectorto FAN position. Then,turn TEMP control
counterclockwico toa wanner setting (lower number),
Clean filter. Referto Maintenance section of owner'smanual. To defrost,
set selector to FAN position
Todefrostthecoil,setseleclertoa FANposition.Then,settheMODEcontrolatFAN
positionor "HighCool"withtheTEMPcontroltoawarmersetting(lowernumber).
11"tEAIRCONDnlONERCOOUNG,BUTROOMISTOOWARM.
Check if...
Dirty airfilter- airrestricted.
TEMP Control cot toowarm.
Front of unit is blocked by drapes,blinds, furniture,
etc. Airdistribution isrestncted.
Doors,windows, registers,etc. open.Cold airescapes.
Unit recently tumed on in hot room,
Clean air filter. RefertoMaintenancesectionof owners manual.
Tum TEMP controlclockwiseto a coolercotting (highernumber).
Clear blockage in frontof unit.
Close doors, windows,registers,etc.
Allowaddi_onaltimeto removestoredheatfromwalls,ceiling,floor,andfurniture,
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check If.,. Then...
I Outside temperature isextremelyhot. I Set MODEon HIGH speedtobitng airpast coolingcoilsfaster. I
NOISE WHEN UNIT IS COOLING.
Check if... Then...
I Soundoffanhitltngwater- fromthemoistureremovalsystem. This is normalwhen humidityis high.Close doors,windows, and registers.Widdow vibration - poor installatlen. I Referto installationinstructlensor check with installer. !
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then,,,
I The air conditioner isimproperlyinstalled. I Tilt air conditioner slightlytothe outsidetoallow waterdrainage. Refer to
I
installationinstructions or check withinstaller. I
I
I
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check If... Then...
i i id inglargequantities of moisture I "lIlls is Dermalduringexcoscively huroid day_3. !
-13-
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