Garmin Diamond DA40, Maintenance Manual

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Page 5-12 G1000/DA40 System Maintenance Manual
Revision 6 190-00303-03
5.6 GMA Alerts
Failure Message Cause Solution
GMA1 SERVICE – GMA1 needs
service. Return unit for repair. The system has determined that
the GMA 1347 needs service.
GMA1 FAIL – GMA1 in
inoperative. The system has detected a failure
in the GMA 1347.
Replace GMA 1347.
MANIFEST – GMA1 software
mismatch. Communication
Halted. The system has detected an
incorrect software version loaded
in GMA 1347.
See Section 7.2.1 for GMA 1347
Software Loading procedure.
GMA1 CONFIG – GMA1
configuration error. Config service
req’d. The system has detected a
GMA 1347 configuration
mismatch.
See Section 7.2.2 for GMA 1347
Configuration Loading procedure.
5.6.1 GMA Redundant Paths
Failure Message Cause Solutions
BACKUP PATH – Audio panel
using backup data path. The GMA 1347 is using a backup
RS-232 data path.
Check GIA RS-232 configuration
settings:
9
If configuration is not correct,
reconfigure GIAs as
described in Section 7.3.2.
Check wiring.
Replace GMA 1347 with a known good
unit, to verify location of problem:
9 If problem persists, replaced
GIA1.
9 If problem does not persist,
replace GMA 1347.
ETHERNET
ETHERNET
ETHERNET
ETHERNET
RS-232
Primary Data Path
Secondary Data Path
GMA 1347
GMA 1347
GDU 1040
PFD
No. 1
GIA 63
GDU 1040
MFD
GDU 1040
PFD
GDU 1040
MFD
No. 2
GIA 63
RS-232
Figure 5-7. GMA 1347 Data Paths