Gmu 44 Related Alerts - Garmin CIRRUS PERSPECTIVE SR20 Line Maintenance Manual

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GRS 77 Related Alerts (continued)
Message
MANIFEST – AHRS1 software
mismatch. Communication
Halted.
MANIFEST – AHRS2 software
mismatch. Communication
Halted.
AHRS MAG DB – AHRS
magnetic model database
version mismatch.
5.9.3 GMU 44 Related Alerts
Message
MANIFEST – GMU1
software mismatch.
Communication Halted.
MANIFEST – GMU2
software mismatch.
Communication Halted.
HDG FAULT – AHRS1
magnetometer fault has
occurred.
HDG FAULT – AHRS2
magnetometer fault has
occurred.
Cirrus Perspective™ Line Maintenance Manual
190-00920-00
Cause
The system has detected
an incorrect software
version loaded in GRS 77
#1.
The system has detected
an incorrect software
version loaded in GRS 77
#2.
The system has detected a
magnetic model database
version mismatch.
Cause
The system has detected an
incorrect software version
loaded in GMU 44 #1.
The system has detected an
incorrect software version
loaded in GMU 44 #2.
A fault has occurred in GMU
44 #1.
A fault has occurred in GMU
44 #2.
Solutions
•
Load correct software version in the
GRS77.
•
Reference Garmin SB 0533 for
update instructions.
Solutions
•
Load correct software version in the
GMU44.
•
Check GMU 44/GRS 77 interconnect
for faults
•
Replace GMU 44 #1
•
If problem persists, replace
GRS 77 #1
•
Check GMU 44/GRS 77 interconnect
for faults.
•
Replace GMU 44 #2
•
If problem persists, replace
GRS 77 #2
Page 5-73
Rev. E