Raymarine Universal IO Drive Installationshandbuch Seite 41

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4.7Alarms
Alarmsareraisedbytheautopilotsystemtoalertyoutomechanicalandelectricalconditionsrequiringyourattention.
TheEvolutioncomponentstransmitalarmalertsontheSeaT alk
ng
networkfordisplayonautopilotcontrolheadsandmultifunction
displays,alongwithanaudiblealert.TheEvolutioncomponentsstopraisinganalarmwhenthealarmconditionceasesorthe
alarmisacknowledgedontheautopilotcontrolheadormultifunctiondisplay.Ifthealarmissafety-criticalitwillberaisedagain
afteratimeddelay.
Unlessotherwisestatedinthetablebelow,youshouldrespondtoalarmsbyselectingOKorAcknowledgeonyourautopilot
controlheadormultifunctiondisplay.
AlarmMessagePossiblecausesSolution
OFFCOURSEAutopilothasdeviatedfromplannedcourse.Checkyourvesselpositionandifnecessarytake
manualcontroltosteerthevesselbackoncourse.
WINDSHIFT
Autopilotisunabletomaintainnavigationtothe
currentwindangle.
LOWBATTERY
Powersupplyvoltagehasdroppedbelow
acceptablelimits.Causedbylowbatteryvoltage
orvoltagedropattheACUunit(EV-1systems
only),duetopoorconnectionsorinadequate
wiring.
Acknowledgethealarmandthenstarttheengine
torechargethebattery.Ifproblempersists,check
wiringconnectionsandthatthequalityandgauge
ofwiringisadequateforthecurrentdrawofthe
driveunit.
LARGEXTE
Largecross-trackerror.Theautopilothasdeviated
morethanexpectedfromaplannedcourse.
Checkyourvesselpositionandifnecessarytake
manualcontroltosteerthevesselbackoncourse.
CUDISCONNECTED
Theautopilotcontrolheadhasbeendisconnected.
Checkthephysicalcablesandconnections
betweentheautopilotcontrolheadandthe
SeaTalk
ng
system.AlsobetweentheEV-1/
EV-2andtheSeaTalk
ng
system.
Iftheautopilotcontrolheadisconnectedvia
aSeaTalktoSeaTalk
ng
converter,checkthe
converterisusingthelatestsoftwareversion.
AUTORELEASEPossiblefaultwithrudderreferenceunit.
Alternatively,ifyourautopilotsystemincludesa
sternI/Odrive,youhavetakenmanualcontrolof
thesteeringwhilethepilotisinAutomode.
Checkrudderreferenceunitconnections.
ForsystemsusingtheVolvoPentaEVCdrive
interfaceunit,checktheunitisoperating
correctly.
WAYPOINTADVANCE
Theautopilothassteeredthevesseltothecurrent
waypoint.
Acknowledgetheturntothenextwaypoint.
DRIVESTOPPEDMotor/steeringhasnotmovedwithin20
secondsofacoursechangecommand.
Theautopilotisunabletoturntherudder
(eitherbecausetheweatherloadonthehelm
istoohigh,oriftherudderpositionsensor
haspassedbeyondthepresetrudderlimitsor
rudderend-stops.
Autopilotresetsduetoanexternalevent(such
asuseofthesleepswitch,orfaultywiring
causingtheautopilotcomponentstopower
cycle).
Autopilotresetsduetosoftwareerror.
Checktherudderreferenceunithasbeen
installedcorrectlytoreectthelimitsand
end-stopsofthevessel’sruddersystem.
ForEV-1systems,checkACUdriveoutput
voltageanddriveandclutchvoltageoutput(if
applicable).
ForEV-1systems,checkallconnectionsto
ACU.
Checkallconnectionstodriveunit.
Checkthatthedriveunitoperatesandisnot
stalled.
Checksteeringsystemissecure.
NORUDDERREFERENCENorudderreferenceunitisdetected,ortherudder
referenceunithasturnedoutsideitsoperational
range(50degrees).
Ifarudderreferenceunitisinstalled,checkthe
wiring.Inspecttheunitforpossibledamage.
STALLDETECTEDMotorspeeddroppedtoolowforgivencourse
changeormotorstalling.Thiscanbecausedbya
faultydriveunitorsteeringfault.Alternatively,the
steeringhard-overtimemaybetooslow.
Checkthatthedriveunitoperatesandisnot
stalled.
Checkthesteeringhard-overtime.
CLUTCHOVERLOADTheclutchforthedrivesystemisdemandinga
greaterpoweroutputthanissupportedbythe
clutchpoweroutputoftheEvolutioncomponents.
Refertotheclutchpoweroutputratingsprovided
intheInstallationinstructionsfortherelevant
Evolutioncomponents,andensuretheclutchfor
thedriveunitdoesnotexceedthispoweroutput.
CURRENTOVERLOADSeriousdrivefailure;thedriveisdemandingtoo
muchelectricalcurrentduetoshort-circuitor
jamming.Causedbyafaultydriveunitormotor,
orwiringshort-circuit.Alternatively,afaultinthe
steeringsystemmaybecausingthedriveunitto
lock-up.
Checkthedriveunit.
ROUTECOMPLETEYourvesselhasarrivedattheendofthecurrent
route.
Noactionrequired.
Installation
41
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