Garmin G1000 Pilot's Manual page 335

GMU 44 Message Advisories
Alerts Window Message
HDG FAULT – AHRS1 magnetometer
fault has occurred.
MANIFEST – GMU1 software
mismatch. Communication halted.
GDL 69 Message Advisories
Alerts Window Message
GDL69 CONFIG – GDL 69 configura-
tion error. Config service req'd.
GDL69 FAIL – GDL 69 has failed.
GDC 74A Message Advisories
Alerts Window Message
GDC1 CONFIG – GDC1 configuration
error. Config service req'd.
MANIFEST – GDC1 software
mismatch. Communication halted.
BACKUP PATH – ADC1 using backup
data path.
190-00595-00 Rev. A
Comments
A fault has occurred in the GMU 44. Heading is flagged as invalid. The AHRS uses
GPS for backup mode operation. The G1000 system should be serviced.
The GMU 44 has incorrect software installed. The G1000 system should be serviced.
Comments
GDL 69 configuration settings do not match those of backup configuration memory.
The G1000 system should be serviced.
A failure has been detected in the GDL 69. The receiver is unavailable. The G1000
system should be serviced
Comments
GDC 74A configuration settings do not match those of backup configuration
memory. The G1000 system should be serviced.
The GDC 74A has incorrect software installed. The G1000 system should be
serviced.
The GDC 74A is using a backup communications data path. The G1000 system
should be serviced when possible.
Garmin G1000 Pilot's Guide for the Beechcraft A36/G36
APPENDIX A
A-17