Page 2-58
G1000 Nav III Line Maintenance Manual
Rev. L
190-00352-00
2.5.5
Backup Path Alerts
Message Cause
Solutions
BACKUP PATH – AHRS using
backup data path.
The PFD is using a backup
ARINC 429 data path to
receive AHRS data.
o
See Section 2.1.5 for
troubleshooting.
Figure 2-20. GRS 77 Data Paths
2.5.6
GMU Related Alerts
Message Cause
Solutions
MANIFEST – GMU1 software
mismatch. Communication
Halted.
The system has detected an
incorrect software version
loaded in the GMU 44.
•
Load correct software version in the
GMU 44.
HDG FAULT – A
magnetometer fault has
occurred.
A fault has occurred in the
magnetometer.
•
Check GMU 44/GRS 77 interconnect
for faults.
•
Replace the GMU 44.
o
If problem persists, replace the
GRS 77.
Summary of Contents for G1000 NAV III
Page 1: ...190 00352 00 March 2008 Rev L G1000 NAV III LINE MAINTENANCE MANUAL ...
Page 28: ...Page 1 18 G1000 Nav III Line Maintenance Manual Rev L 190 00352 00 Blank Page ...
Page 120: ...Page 2 92 G1000 Nav III Line Maintenance Manual Rev L 190 00352 00 Blank Page ...
Page 184: ...Page 6 6 G1000 Nav III Line Maintenance Manual Rev L 190 00352 00 Blank Page ...
Page 248: ...Page B 34 G1000 Nav III Line Maintenance Manual Rev L 190 00352 00 Blank Page ...