PAGE 6 TROUBLESHOOTING
ENGLISH
Normal
Performance
Inspection
Problem
The system
does not restart
immediately
Noise is heard
Odd smell
Mist or steam
areblowingout.
Indrymode,
fan speed can’t
be changed.
Poor cooling
•Whenunitisstopped,itwillnotrestartagainfor3minutestoprotectthesystem.
•Whenelectricityisdisconnectedandthenreconnected,theprotectioncircuitwillworkfor3minutesto
protect the air conditioner.
•Duringunitoperationorastop,aswishingorgurglingnoisemaybeheard.Therst2-3minutesafterthe
unithasstartediswhenthenoiseismostnoticeable.(Thisnoiseisgeneratedbyrefrigerantowinginthe
system.)
•Duringunitoperation,acrackingnoisemaybeheard.Thisnoiseisgeneratedbythecasingexpandingor
shrinking due to temperature changes.
•Iftheairowcreatingaloudnoiseduringunitoperation,theairltermaybetoodirty.
•Thesystemcirculatessmellsfromtheindoorairsuchasthesmelloffurniture,paint,and/orcigarettes.
•DuringCOOLorDRYoperation,indoorunitmayblowoutmist.Thisisduetothesuddencoolingofthe
indoor air.
•InDRYmode,whentheroomtemperaturebecomeslowerthanthesettemperatureby2°F,theunitwill
run intermittently at LOW speed regardless of FAN setting.
•Isthepowerpluginserted?
•Isthereapowerfailure?
•Isafuseblown?
•Istheairlterdirty?Normallyitshouldbecleanedevery2months.
•Isthereanythingblockingtheinletand/oroutlet?
•Isthetemperaturesetcorrectly?
•Arethereanydoorsorwindowsopen?
•Isthereanydirectsunlightthroughthewindowduringthecoolingoperation?(Usecurtains)
•Aretheretoomanyheatsourcesortoomanypeopleintheroomduringcoolingoperation?
Cause and Solutions
Conditions
to check for
Beforeaskingforservice,checkthefollowingrst: