Guard RFID Solutions TE GENERATOR OF LOW FREQUENCY FILED USED FOR DETECTION OF ACTIVE TAGS AT THE PORTAL User Manual

Guard RFID Solutions GENERATOR OF LOW FREQUENCY FILED USED FOR DETECTION OF ACTIVE TAGS AT THE PORTAL Users Manual

Users Manual

TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialTagExciterInstallationManualPatientProtectionInfantSecurityAssetManagement
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialCopyrightsandTrademarks©2009GuardRFID™SolutionsInc.AllRightsReservedThismanualissubjecttocopyrightprotectionandallrightsarereserved.Undercopyrightlaws,themanualmanynotbecopiedortranslated,inwholeorinpart,inanymannerorformat,withoutthewrittenpermissionofGuardRFID™SolutionsInc.AllsoftwareinwhichGuardRFID™SolutionsInc.oritsaffiliatesholdaproprietaryinterestisalsosubjecttocopyrightprotectionandallrightsarereserved.Nopartymayuseorcopysuchsoftware,inanymannerorformat,excepttotheextentthatGuardRFID™SolutionsInc.,oranaffiliateofGuardRFID™SolutionsInc.,grantsthemalicensetodoso.TrademarksGuardRFIDisaregisteredtrademarkofGuardRFID™Solutions,Inc.MySQLisaregisteredtrademarkofOracleCorporationWindowsisaregisteredtrademarkofMicrosoftRevisionsSpecificationsubjecttochangewithoutnotice.ContactInformationGuardRFIDSolutions,Inc.#140–766ClivedenPlDelta,BCCanadaV3M6C7Tele:604.998.4018Fax:604.524.4018www.guardrfid.com THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. NOTE: THE GRANTEE IS NOT RESPONSIBLE FOR ANY CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE. SUCH MODIFICATIONS COULD VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidential
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialContentsInstallingtheTagExciter ........................................................................................................................... 1 DetermineBestLocation ...................................................................................................................... 1 UsingTagExciterstoDetermineDirectionofTravelandRoomDiscrimination .................................. 5 ConnectingtheTagExciter ....................................................................................................................... 8 TagExciterInputs,Outputs,Indicators................................................................................................. 8 TagExciterPowerConnections............................................................................................................. 9 EnsuringCompliancewithRFIRulesandRegulations .......................................................................... 9 UsingtheTEDisable(DoorIn) ............................................................................................................10 TuningtheTagExciter............................................................................................................................. 11 UserInterface .....................................................................................................................................11 UserInterfaceMenuNavigation.........................................................................................................12 SettingtheProperTEFieldSize ..........................................................................................................14 SettingtheTagExciterID....................................................................................................................15 SettingtheRFSensitivity .................................................................................................................... 16 SettingtheModes...............................................................................................................................16 ReadingtheErrorCodes .....................................................................................................................17 
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidential
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialInstallingtheTagExciterTagExcitershavethreemainfunctions.Theyareusedtotriggeranalarmatanegresspoint,pinpointatag’slocation,and/orprovideareferencepointforwhenthetagchangesfloorsviaastairwellorelevator.TheTagExcitertransmitsa125KHzlowfrequencysignal(field)thatisdetectedbytheRFIDtag.DetectionrangeoftheTagExciterisadjustablefromtwoto18feet.ThissectiondescribesthetwostepstoinstallingtheTagExciter: Determinethebestlocation Installdevice.DetermineBestLocationThelocationoftheTagExciteriscriticaltotheproperoperationofthesystem.Anincorrectlyplacedtagexcitermaycausenuisancealarmsfromnearbyareaswheretagsarenormallypresent,orfailtodetectatagwhenexitingthroughadoorway.NOTE:Only2TEsmaybeassociatedwithaTRCintheArgussoftwareorwithanAtGuardControllerwhenconfiguringagate.TheTagExciterfieldcanbevisualizedasalargespherewiththetagexciterinthecentreofthesphere.AstheTagExciterlevelisincreased,sodoesthesizeofthesphere.Thesphererangesfrom2to19feetindiameteraccordingtothesetting.Whenatagenterstheexciterfield,theTagExciterfieldisdetectedbythetagandeventsaregeneratedbythisaction.Aneventmaybeanexitwarningoralarm.FornetworkedapplicationsaTagExcitermaybeusedfortransitioningatagfromthepreviousfloorplantothepresentfloorplanwhenmovingverticallythroughabuilding,ortriggeracustomeventsuchasdirectionoftravel(using2ormoretagexciters).Itshouldbeplacedinalocationwheretheexciterfieldisonlygeneratedintheareaswhereyouwouldlikethetagtobedetected.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialEnvironmentalandLocationConsiderations DonotmountTagExciterdirectlyonmetal–suchaselevatorcars.Use½inchnylonorplasticspacersbetweentheTagExciterandthemetalsurface.MountingtheTagexciterdirectlyonmetalwilldetunethetransmittingantennas. DonotmountTagExciterinalocationwherethereismetalbetweentheTagExciterandtheintendedtagdetectionareasuchasontopofanelevatorcarorbehindametaldoor.RFdoesnotpropagatewellthroughthemetal,causingthetagtonotseetheexciterfield. Considertrafficpatternsandlegitimate/acceptabletaglocationswheninstallingtheTagExciter.Asanexample,thebestlocation(shownbelow)createsatagexciterfieldindirectproximityoftheprotecteddoor,whileatthesametimemaintainsasuitabledistancefromtheunprotecteddoorsandroomsadjacenttothestairwellwheretagsareallowedtobelocated.MetalTagTagExciter
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialUpUnprotectedDoorProtectedDoorNOYESBestLocation–ExciterfielddoesnotenterintoadjacentroomsPoorLocation–ExciterfieldcrossestrafficpathandentersintoadjacentroomNormalTrafficPattern
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidential InstallTagExciterinthelocationthatcreatesthesmallest,mostcompactfield.TagExciterCeilingNotrecommended‐poorfloordiscrimination.TagExcitermaybleedthroughupperfloor.Betterlocation‐Approx8or9feetfromfloorPRO‐hiddenfromviewCON‐createsalargefield–canbepronetoupperfloorbleed.DroppedCeilingBestlocationInchesabovethedoorframePRO‐createsasmaller,morecompactfield.PlenumSpaceFloorIdeallocation–directlyadjacenttothelatchsideofthedoorPRO‐‐createsthesmallest,mostcompactfield.CON‐morepronetodamageortampering‐maynotmeetthefacilityaestheticrequirements.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialUsingTagExciterstoDetermineDirectionofTravelandRoomDiscriminationTwoormoreTagExcitersmaybeusedtodeterminedirectionoftravelthroughaportal,therebyidentifyingpreciselythelocationandthemomentintimeatagtransfersfromonezonetoanother.Todeterminedirectionoftravelusingtagexciters,youmustunderstandhowtheArgussystemtreatszones.Duringsoftwareconfiguration,zonesaredefinedonafloorplanbyoutliningthezonewithaborder.Adjacentzonesaredefinedbydrawingzoneswithadjacentborders.TheTagExciters,identifiedbytheirserialnumbersarethendraggedontothefloorplanintheexactlocationstheyareinstalled.Inthesimplestexampletwotagexcitersareused.OnetagexciterisinstalledinthefirstzoneandthesecondTagExciterinstalledinthesecondzonedirectlyadjacenttothefirst.Whenatagentersthefirsttagexciterfield,itslocationispinpointedattheperimeterofthefirstzone.Asitcrossesovertothesecondzone,thetagwillbeimmediatelypinpointedattheperimeterofthesecondzoneattheexacttimeitcrossedover.Multipletagexcitersmaybeplacedineitherzonetoaccommodatevariousfloorplanconfigurations.Keepinmindafewbasicrules.1. ThetagmustclearlyenteraTagExciterfieldinthefirstzonewithoutbeinginatagexciterfieldlocatedinthesecondzone.2. ThetagmustclearlyexitfromaTagExciterfieldinthesecondzonewithoutbeinginatagexciterfieldlocatedinthefirstzone.3. TagExciterfieldsineitherzonemayoverlapslightly4. MorethanoneTagExcitermaybeusedineitherzonetocoverwideareasorpreventtagsfromslippingbyundetected.Studytheexamplesbelowtodeterminethebesttagexciterlocationsforyourapplication.ExampleA–determiningdirectionoftravelandzonetransferenceinacorridor.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialExampleBDeterminingdirectionoftravelandzonetransferencetoawidearea.Notethetrafficpatternsinthisexample.Twotagexciterstunedforalargerfieldareinstalledononesideofthedoorwaytocapturetagsastheydispersetodifferentareasofthebuilding.TagExcitersarelocatedtoensurethetagentersintoonefieldandclearlytransitionstothefield(s)intheadjacentzone.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialExampleCRoomDiscriminationAsatagentersazone/roomthetagwillremainlocatedinthatzone/roomuntilitentersanotherzone/roomorcrossestheTagExciterintozone14.Note:ifatagleavesazone/roomanddoesnotenteranotherroomorcrosstheTagExcitertozone14,thesystemcanrelocatethetaginthecorridorusingRSSIdataobtainedfromtagreaderreceivers.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialConnectingtheTagExciterThepurposeofthissectionistooutlinethegeneraloperationandwiringoftheTagExciter(TE).TagExcitershavethreemainfunctions.Theyareusedtotriggeranalarmatanegresspoint,pinpointatag’slocation,and/orprovideareferencepointforwhenthetagchangesfloorsviaastairwellorelevator.TheTagExcitertransmitsa125KHzlowfrequencysignal(field)thatisdetectedbytheRFIDtag.DetectionrangeoftheTagExciterisadjustablefromtwoto18feet.TagExciterInputs,Outputs,IndicatorsTagExciterInputsandAdjustmentPointsInputsDescriptionPower(12VDCInput)12VDCsupply(11.5VMin,14VMax)DoorInDisablesLFfieldwhenpinsareshortedAdjustmentsResetKeyResetsTEprocessor,customsettingsaremaintainedTankCircuitTuningLFAntennatuningDONOTADJUSTTestKeyFeedbackmodeforLFfieldadjustmentsSELkeySelectsbetweenLF/ID/RF/MODadjustmentmodesEnterKeypresstoentervaluewhenadjustingINCKeyincrementsvalueduringadjustments
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialIndicators OffOn FlashingLED5RedPowerFaultLED. NormalOver/undervoltageN/AAlarmLEDRedLED,TEinundesirableconditionwhenflashingNormalN/ATEError‐CheckErrorcodedisplayFieldLEDYellowLED LFFieldoffNormal‐LFfieldonRecalibratingfieldsizeCommLEDGreenLED NoinputvoltageNetworkcommunicationestablishedPoweron,nonetworkcommunication(Normaloperationfor@Guard)LFLEDLitwheninLFadjustmode NormalInLFadjustmodeN/AIDLED LitwheninIDadjustmode NormalInIDadjustmodeN/ARFLEDUHFSensitivitySetting(Notused)NormalInRFadjustmodeN/AMODLEDLitwhenadjustingMODEfeaturesNormalInModeselectmodeN/A7Seg.LEDReadoutNumericalindicatorshowingstatusorlevelNormalIndicatescurrentconditionN/ATagExciterPowerConnectionsTheTEinputvoltageis12VDCandmaybepoweredbyacentralpowersupplyoraPoESplitterandaPoEnetworkswitch.NotethattheTEconnectstothenetworkusinga433MHzlinktotheTRCanddoesnotrequireaTCP/IPconnection.PoEPoweredTEsdonotusethedatacomponentofthePoEswitch.WhenpoweringtheTEwithaPoESwitch,ensuretousetherecommendedPoESplitter(GuardRFIDP/N61‐24002).PoEvoltageis48VDCfromtheswitchandneedstobeconvertedto12VDCtopreventdamagetotheTRC.ConnecttheTEto12VDC/1ApowersourceeitherfromthePoESplitterora12VDCcentralpowersupplyasshownbelow.PowersupplyvoltagefortheTEmustnotexceed14VDC.EnsuringCompliancewithRFIRulesandRegulationsInordertoensurecompliancewithrelevantRFIrulesandregulations,thecableusedtosupplypowerforTagExcitermusthaveferritesuppressorattached.TheferritesuppressorissuppliedwithTagExciterandshouldbeclampedontothepowercableascloseaspossibletoTagExciterenclosure.ThepartnumberofferritesuppressorisBF1835,manufacturedbyAPIDelevanInc.Anyequivalentferritesuppressorcanbeused.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialUsingtheTEDisable(DoorIn)TheTELFfieldcanbedisabledbyaddingaswitchtotheDoorIninputoftheTagExciter.Thisfeaturecanbeusedwhenyourequirethefieldtobeswitchedonandoffquickly.TheexamplebelowillustratesconnectiontoaN/Cdoorswitch(doorclosed/contactclosed).
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialTuningtheTagExciterThepurposeofthissectionistoshowhowtotunetheTagExciterforoptimalcoverageinyourapplication.TheTagExciterfieldcanbevisualizedasalargespherewiththetagexciterinthecentreofthesphere.AstheTagExciterlevelisincreased,soisthesizeofthesphere.Thesphererangesfrom2to18feetindiameteraccordingtothesetting.AdjustmentsforthetagexciterincludeLFFieldsize,ChangingtheIDnumber(electronicserialnumbertransmittedinthebeacon),RFsensitivity(notfieldadjustable),andmodesettingsUserInterfaceTheTEUserinterfaceallowsyouaccesstotheTEmenuandadjustmenttools.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialUserInterfaceMenuNavigationTheuserinterfaceisaccessedbypressinganykey.ExittheuserinterfacebypressingandholdingtheSELandENTkeys,orifthereisnokeypressesfor10minutestheuserinterfaceisturnedoffautomatically.Theuserinterfacenavigationchartisshownbelow.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidential TosettheLFfieldsize Pressanykeytoactivatetheuserinterface ObservetheLFLEDislit. PresstheINCkeyuntilthedisplayreadsthedesiredfieldsize. PressENTtosavetheselectedvalueintoTEmemoryHeld SEL key SEL key SEL keyMode NSEL keyUser interface off LF Setting Any Key SEL key ID setting SEL keyRF Setting SEL keyMode Root Menu SEL keyError Code Display SEL keyMode 0 Mode 1 Held Sel KeyHeld Sel &Ent TE Reset UI Timeout General Keys: To activate the user interface – press any key. To turn the user interface off – press and hold SEL and ENT keys Enter/Exit Mode settings - Press & Hold SEL Key. Changing LF, ID, and RF Settings: INC key – Increments setting. ENT key – Saves setting. Changing Mode Setting: INC – Toggles setting (Decimal Point of 7-Seg display on/off) ENT key – Saves setting. Test Mode: Test – Toggles test mode on/off. Test LED indicates when test mode is active.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialThistableprovidesTagExcitercurrentconsumptionandLFfieldsizeforeachof16possiblesettings.Thesemeasurementsaredoneunderthefollowingconditions:PowerSupply12.3VDCTagused:PT1LFAntenna:TagLFantennaisorientedinparallelwithoneofthecoilsofTagExciterLFFieldSettingsSettingCurrentconsumption(A)Range(feet)00.062.0±0.510.063.5±0.520.095.0±130.136.0±1.540.087.0±1.550.098.0±2.060.1110.0±2.070.1711.0±2.080.2512.0±2.590.3313.0±2.5A0.4214.0±2.5B0.5015.0±3.0C0.5216.0±3.5D0.5817.0±3.5E0.6818.0±4.0F0.8519.0±4.0SettingtheProperTEFieldSizeThereareothermanyusesfortheTEsuchaspinpointinglocationofthetag,roomdiscriminationordeterminingdirectionoftravel.TheTEfieldisadjustedinthesamemannerforallapplications.TestingtheTEfieldsizeandadjustingforthedesireddetectionareaiscriticaltoproperoperationofsomesystems.CaremustbetakenwhenadjustingtheTEfieldsizetoensureitwilldetectatagexitingthroughadoorbutnotexceedinglylargesothatitintrudesonadjoiningroomsorareaswhereyoudonotwanttagstobedetected.ThissectionassumesthattheTEisusedatadoortodetectatagasitpassesthroughthedoorway.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialTotestandcoarseadjustthesizeoftheLFfield PresstheTESTkey Holdingataginfrontofyou,approachthedoorwaywithatagatwaistlevel,theTEwillbeepwhenthetagentersthefield UsingtheLFfieldadjustmentinstructionsabove,adjusttheTEfieldsizetothedesiredlevel,ensuringthetagisdetectedeverytime,anddoesnotdetecttagsinunwantedareas. Holdingthetagoneortwoinchesfromthefloor,approachthedoorwayensuringtheTEbeepswhenthetagpassesthroughthedoorway PresstheTESTkeytorevertbacktonormaloperation(after10minutesofnokeypresses,TESTmodeisautomaticallyturnedoffNotethatthetagorientationmayhaveaneffectontheapparentsizeofthefield.Insidethetagisacoilantenna.WhenthisantennaisparalleltooneofthecoilantennasintheTE,thefieldappearstobelargerthanifthetwocoilsareperpendicular.Thevariationindistancevariesfromonefoottofourfeetforlargerfields.Ensurethatthetagisdetectedinallorientations.TestandfineadjustthesizeoftheLFfieldToperformthistestandadjustmentprocedure,thegatemustbeconfiguredintheArgusConfigurationManager,andakeypadmustbeassociatedtothegateyouaretesting. Holdingataginfrontofyou,withthedoorclosed,approachthedoorwaywithatagatwaistlevel,thekeypadwillbeepwhenthetagentersthefield UsingtheLFfieldadjustmentinstructionsabove,adjusttheTEfieldsizetothedesiredlevel,ensuringthetagisdetectedeverytime,anddoesnotdetecttagsinunwantedareas. Holdingthetagoneortwoinchesfromthefloor,approachthedoorwayensuringthekeypadbeepswhenthetagpassesthroughthedoorwaySettingtheTagExciterIDEachTEisprogrammedwithauniqueIDnumberwhichisalsotheserialnumberoftheTE.TheTEtransmitsabeaconmessagetotheTRCthatcontainstaginfieldinformation,Firmwarerevisioninformationandtheserialnumber.Thetransmittedserialnumberistruncated,strippingoffthemostsignificant13bitsoftheID.DuetothemostsignificantbitsbeingtruncatedfromtheIDthereisapossibilityoftwoTEstotransmitthesameID.Toresolvethisissue,theleastsignificant4bitsoftheTEmaybechangedinthefieldwiththetagexciterIDsetting.
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialIftwoTEsaretransmittingduplicateIdstheleastsignificant4bitsoftheIDnumbercanbechanged.TochangethetransmittedID Pressanykeytoactivatetheuserinterface PresstheSELkeytwice,oruntiltheIDLEDislit PresstheINCkeyuntilthereadoutdisplaysthedesiredleastsignificantdigitoftheID.(i.e.003A40wouldbechangedto003A41iftheIDwaschangedto1. PresstheSELkeytoselecttheleastsignificantdigit PresstheENTkeytosavetheselectedvalueinTEmemorySettingtheRFSensitivityRFsensitivityispre‐programmedduringmanufactureandthissettingisnotused.SettingtheModesTherearethreemodesthatareprogrammable,exciterfieldon/off,UHFboardpresence,andendoflineresistorpresence(atDoorInconnector).Thedefaultsettingsareexciterfieldon,UHFboardpresent,andnoendoflineresistorrequired.Thesesettingsarenotnormallyadjusted.EnteringMODEsettingconfiguration Pressanykeytoactivatetheuserinterface PresstheSELkey3timesoruntiltheMODELEDislit–thedisplaywillgoblank PressandHOLDtheSELkeyoncemoreuntil2beepsareheard–thedisplaywillshow“0”whenthekeyisreleased TheTEisnowinMODEsettingconfiguration PressSELtoscrollbetweenmode0,1and2SettingtheTEfieldon/off(MODE“0”)Default–TEfieldON Pressselectwhileinmodesettingconfigurationuntilthereadoutreads“0” PresstheINCkeytotogglethefieldonandoff,thefieldisonwhenthedecimalpointafterthedisplayislit,offwhenthedecimalisoff(theMODLEDwillflashwhenthesettingisbeingadjusted) PresstheENTkeytosavetheselectedvalueinTEmemory(theMODLEDwillstopflashing)SettingtheTEtoactivatetheUHFradio(MODE“1”)
TagExciterInstallationManual 07‐00051‐110©2010GuardRFIDProprietaryandConfidentialDefault–Radioactivated–(Note:theAtGuardsystemdoesnothavearadioboardontheTEandwillshipdefaultedas“radiodeactivated”) Pressselectwhileinmodesettingconfigurationuntilthereadoutreads“1” PresstheINCkeytotoggleactivate/deactivatetheradio.Theradioisactivatedwhenthedecimalpointafterthedisplayislit,deactivatedwhenthedecimalisoff(theMODLEDwillflashwhenthesettingisbeingadjusted) PresstheENTkeytosavetheselectedvalueinTEmemory(theMODLEDwillstopflashing)SettingtheTEtodetectEOL(endofline)Resistors(MODE“2”)Default–EOLresistorsnotinstalled Pressselectwhileinmodesettingconfigurationuntilthereadoutreads“2” PresstheINCkeytotoggledetect/ignoreEOLresistors.EOLresistorsaredetectedwhenthedecimalpointafterthedisplayislit,ignoredwhenthedecimalisoff(theMODLEDwillflashwhenthesettingisbeingadjusted) PresstheENTkeytosavetheselectedvalueinTEmemory(theMODLEDwillstopflashing)ReadingtheErrorCodesIftheAlarmLEDisflashingtheTEhasdetectedanerror.ErrorcodesarereadfromtheTEdisplayToreadtheerrorcodes Pressanykeytoactivatetheuserinterface PresstheSELkeyfourtimes,oruntiltheERRORLEDislit Readthedisplay:0–Noerror1–Caseopen/tamper.Tosimulatethecoveronholdyourhandatthelevelofthecover,nearthecentreoftheTEandthe“1”errorshouldstop.Sincethecaseisopenwhentroubleshooting,thiserrorisalwaysdisplayed.Youmustsimulatethecoverontocontinue.2–Radionotdetected.Theradioboardisfaultyornotinstalled(Note:IntheAtGuardsystemthereisnoradioboard)3–Inputpowertoolow.Checktheinputvoltage;itshouldbe12–13.6VDC4–Inputpowertoohigh.Checktheinputvoltage;itshouldbe12–13.6VDC

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