Owner`s manual

18
TROUBLESHOOTING
WIRING SIZE
009 012 018 024
L(L1) AWG16 AWG16 AWG16 AWG16
N(L2) AWG16 AWG16 AWG16 AWG16
G AWG16 AWG16 AWG16 AWG16
L(L1) AWG18 AWG18 AWG18 AWG18
N(L2) AWG18 AWG18 AWG18 AWG18
1 AWG18 AWG18 AWG18 AWG18
2 AWG18 AWG18 AWG18 AWG18
3 AWG18 AWG18 AWG18 AWG18
G AWG18 AWG18 AWG18 AWG18
WireGauge
Model(CapacityBTU/h)
PowerSupplyCable
InterconnectingCable
Set
MALFUNCTION POSSIBLECAUSES
Powerfailure.Trippedcircuitbreaker.
Disconnectedwiresorcablesatterminalblocks.
Blownfuseonindoorunit'selectroniccontrollercard.
Abnormallyhighorlowvoltageonpowercircuit(protectionactivated).
AutomaticTIMERONfunctionissetandpendingstart.
Indoororoutdoortemperaturesoutofallowedrange(protectionactivated).
Starttimedelayprotection(3minutestartdelayactivated).
Damagedindoorcontrollercard.
Damagedindoororoutdoorfanmotor.
Wrongtemperaturesettingsoroperatingmode.
ObstructedairflowattheinletoroutletoftheindoorUnit.
ObstructedairflowattheInletoroutletoftheoutdoorUnit.
Totalorpartiallossofrefrigerantduetoaleak.
Airleftinthesystemduringinstallationduetoimproperevacuation.
FanspeedsettingisatLOWspeedsetting.
Dirtyairfilters.
Dustedandcloggedheatexchangersintheindoororoutdoorunit.
OtherSourcesofheatingorcoolingloadsintheroom.
Infiltratingoutdoorairintothespace,frequentlyopeneddoors,etc.
InternalCompressoroverloadprotectionactivated.
Remotecontrollerisusedfromanextendeddistance.
Dodirectviewoftheinfraredreceiverduetoobstacles.
Fullyorextensivelydepletedbatteries.
Defectiveremotecontroller.
HEATFunctionMissing RemotecontrollerwassetupasCOOLONLY.Readtheinstructionstoreset.
StrangeOdors Dirtyfiltersordirtyindoorheatexchanger.
WaterFlowNoise Backflowequalizationofrefrigerantafteraruncycle(usuallynormal).
FineMistDischarged Excessivelycooledairwhilehighhumiditylevelsexistintheroom.
CrackingSound Expansionorcontractionofthecasinginsomeextremeconditions.
ERRORCODE DESCTIPTIONOFTHETROUBLE
E1 Indoorunit'sroomtemperaturesensorisdefective(RUNlampflashesonce)
E2 Indoorunit'spipetemperaturesensorisdefective(RUNlampflashestwice)
E6 Indoorunit'sfanmotorisdefective(RUNlampflashessixtimes)
NoResponsetothe
RemoteController
Commands
Incasesofnoticinganyabnormalities,suchasunusualsmells,sounds,orotherconditions,immediatelyturn
thepowerbreakeroff.Checkforanyeasilydiagnosableconditionthatmaycausesuchissue.Ifthecausecan
notbedeterminedorisnotsimple,callforservicebyqualifiedpersonnel.Donotattepttorepairthesystem
byunqualifiedpersons.Donotbypassordeactivateanysafetydevices.Donotalterormodifythesystemin
anyway.Donotusewithlowrefrigerantlevelsasthiswillcausecompressorfailure.
SystemDoesNot
Operate
InsufficientHeatingor
CoolingEffect