Advanced AF-6600 - APPENDIX J: Troubleshooting

Version 16.10 AF-6600 AF-5000 Series Install Manual 249
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.
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
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
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