190-00709-04 Rev. A Garmin G1000 Pilot’s Guide for the Socata TBM 850 627APPENDIX AGRS 77 MESSAGE ADVISORIES (CONT.)Message CommentsAHRS2 GPS – AHRS2 not receivingany GPS information.The #2 AHRS is not receiving any or any useful GPS information. Check AFMSlimitations. The G1000 system should be serviced.AHRS1 GPS – AHRS1 not receivingbackup GPS information.The #1 AHRS is not receiving backup GPS information. The G1000 system should beserviced.AHRS2 GPS – AHRS2 not receivingbackup GPS information.The #2 AHRS is not receiving backup GPS information. The G1000 system should beserviced.AHRS1 GPS – AHRS1 operatingexclusively in no-GPS mode.The #1 AHRS is operating exclusively in no-GPS mode. The G1000 system should beserviced.AHRS2 GPS – AHRS2 operatingexclusively in no-GPS mode.The #2 AHRS is operating exclusively in no-GPS mode. The G1000 system should beserviced.AHRS MAG DB – AHRS magneticmodel database version mismatch. The #1 AHRS and #2 AHRS magnetic model database versions do not match.AHRS1 SRVC – AHRS1 Magnetic-fieldmodel needs update.The #1 AHRS earth magnetic field model is out of date. Update magnetic field modelwhen practical.AHRS2 SRVC – AHRS2 Magnetic-fieldmodel needs update.The #2 AHRS earth magnetic field model is out of date. Update magnetic field modelwhen practical.GEO LIMITS – AHRS1 too far North/South, no magnetic compass. The aircraft is outside geographical limits for approved AHRS operation. Heading isflagged as invalid.GEO LIMITS – AHRS2 too far North/South, no magnetic compass.MANIFEST – GRS1 softwaremismatch, communication halted. The #1 AHRS has incorrect software installed. The G1000 system should be serviced.MANIFEST – GRS2 softwaremismatch, communication halted. The #2 AHRS has incorrect software installed. The G1000 system should be serviced.GMU 44 MESSAGE ADVISORIESMessage CommentsHDG FAULT – AHRS1 magnetometerfault has occurred.A fault has occurred in the #1 GMU 44. Heading is flagged as invalid. The AHRS usesGPS for backup mode operation. The G1000 system should be serviced.HDG FAULT – AHRS2 magnetometerfault has occurred.A fault has occurred in the #2 GMU 44. Heading is flagged as invalid. The AHRS usesGPS for backup mode operation. The G1000 system should be serviced.MANIFEST – GMU1 softwaremismatch, communication halted. The GMU 44 has incorrect software installed. The G1000 system should be serviced.MANIFEST – GMU2 softwaremismatch, communication halted.GSR 56 MESSAGE ADVISORIESMessage CommentsGSR1 FAIL – GSR1 has failed. A failure has been detected in the #1 GSR 56. The system should be serviced.
