Cockpit Reference Guide
Garmin G1000 Cockpit Reference Guide for the Piper PA-46 Meridian
190-01842-00 Rev. A
117
Annunciations & Alerts
Flight
Instruments EICAS
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
Alerts Appendix Index
Message Comments
AHRS1 SERVICE
– AHRS1 needs
service. Return unit for repair.
A failure has been detected in the #1 AHRS. The
system should be serviced.
AHRS2 SERVICE
– AHRS2 needs
service. Return unit for repair.
A failure has been detected in the #2 AHRS. The
system should be serviced.
AHRS1 CONFIG
– AHRS1 config
error. Config service req’d.
AHRS configuration settings do not match those
of backup configuration memory. The system
should be serviced.
AHRS2 CONFIG
– AHRS2 config
error. Config service req’d.
AHRS configuration settings do not match those
of backup configuration memory. The system
should be serviced.
AHRS1 CAL
– AHRS1 calibration
version error. Srvc req’d.
The #1 AHRS calibration version error. The system
should be serviced.
AHRS2 CAL
– AHRS2 calibration
version error. Srvc req’d.
The #2 AHRS calibration version error. The system
should be serviced.
GMU 44 MESSAGE ADVISORIES
Message Comments
HDG FAULT
– AHRS1
magnetometer fault has occurred.
A fault has occurred in the #1 GMU 44.
Heading is flagged as invalid. The AHRS uses
GPS for backup mode operation. The G1000
system should be serviced.
HDG FAULT
– AHRS2
magnetometer fault has occurred.
A fault has occurred in the #2 GMU 44.
Heading is flagged as invalid. The AHRS uses
GPS for backup mode operation. The G1000
system should be serviced.
MANIFEST
– GMU1 software
mismatch, communication halted.
The GMU 44 has incorrect software installed.
The G1000 system should be serviced.
MANIFEST
– GMU2 software
mismatch, communication halted.










