User guide

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APPENDIX J: Troubleshooting
Problem Cause Solution
TheEFISdoesnotpoweron TheEFISisnotgettingpower Checkcircuitbreakers,wireconnections,and
thattheconnectorisseatedproperly.
TheEFISdoesnotpoweroff TheEFISremainson VerifyengineRPM< 1500,verifymainand
backuppowerhasbeenremoved.Pressand
holdbutton2for
>5seconds
FuelTank/TrimIndicationsare
wrong
Fuel/Trimsensorshavenotbeen
calibrated
Calibratefueltanksandtrimperinstallation
manual.
Engine/GPSinformationisnot
showinguponsecondunit
Ethernetcablenotinstalledor
incorrectsettings
EnsureEthernet cableisconnectedtoboth
screensandIPAddressesaresetcorrectly.
DashesshowninCRSorBRG
informationonCDI
NoCRS/BRGsourceisselected ChangeNAVsourcesettings
EFIS‐>NAVIGATION‐>SRC
NOGPSshownonMAP UnitcannotdetectaGPS
connected
Serialportfunction,ofGPS/NAVSourcenotset
correctlyorGPSpoweredoff
GPSINTshownonMAP GPShasnotacquired aposition
lock
EnsureGPSantennahasanunobstructedview
ofthesky
MAPFILETOOLDshownonMAP SDCardcontainsoldermapfile Downloadthenewestmapdatafilesfromthe
AFSwebsite
Chartsarenotdisplaying Chartshaven'tbeendownloaded
oraren'tlocatedonthecard
correctly
ChartsshouldallbelocatedontheSDCardina
foldernamedCHARTS.
Airportselectedisnotindownloadedregion
GarminGNS‐430W/530Wnot
communicatingwithEFIS
EFISorGNS‐430/530not
configuredproperly
See430W/530W‐ EFIS‐Autopilot‐ARINC
InterfaceTroubleshootingDocument
AFSPILOTdoesnotstayinEXT
mode
Autopilotisnotreceiving
adequateARINCdata
See430W/530W‐ EFIS‐Autopilot‐ARINC
InterfaceTroubleshootingDocument
AFSPILOToscillateslaterally EFISorAPgainssetincorrectly ‐Ensurecurrentsoftwareinstalled
‐SettheGPSSgainintheAPto16
‐AdjusttheAPLATActivitywhiletheAPisflying
theaircraft(notinEFISmode).Theaircraft
shouldberesponsivetochangesintrackusing
the
APknob.
‐AdjusttheEFISRollgainsotheaircraftwill
makea90+degreeturnandovershootthefinal
headingby1degreeorless
Softwareupdatedoesn'twork Improperlyformatted SDcardor
wrongbrandSDCard
EnsureaSanDiskbrandSDCardisusedanditis
formattedwithaFAT32filesystem.
FuelComputerWarning
continuestoflashyellow
Improperlysetfuelcomputer
setting
Duetowingdihedral,differentaircraftrequirea
differentCrossCheckErrorLimitforthefuel
computertocomparefuelqtyandfuelflow.
Changethesettingtoapprox15.0intheFuel
ComputeriteminInstrumentCalibration