Figure 5-7. Gma 1347 Data Paths - Garmin Diamond DA 40 Maintenance Manual

5.6 GMA Alerts
Failure Message
GMA1 SERVICE – GMA1 needs
service. Return unit for repair.
GMA1 FAIL – GMA1 in
inoperative.
MANIFEST – GMA1 software
mismatch. Communication
Halted.
GMA1 CONFIG – GMA1
configuration error. Config service
req'd.
5.6.1 GMA Redundant Paths
Failure Message
BACKUP PATH – Audio panel
using backup data path.
Primary Data Path
GDU 1040
PFD
ETHERNET
RS-232
No. 1
GIA 63
Page 5-12
Revision 6
Cause
The system has determined that
the GMA 1347 needs service.
The system has detected a failure
in the GMA 1347.
The system has detected an
incorrect software version loaded
in GMA 1347.
The system has detected a
GMA 1347 configuration
mismatch.
Cause
The GMA 1347 is using a backup
RS-232 data path.
GDU 1040
MFD
ETHERNET
GMA 1347

Figure 5-7. GMA 1347 Data Paths

Solution
Replace GMA 1347.
See Section 7.2.1 for GMA 1347
Software Loading procedure.
See Section 7.2.2 for GMA 1347
Configuration Loading procedure.
Solutions
Check GIA RS-232 configuration
settings:
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:
If problem persists, replaced
GIA1.
If problem does not persist,
replace GMA 1347.
Secondary Data Path
GDU 1040
PFD
ETHERNET
RS-232
GMA 1347
G1000/DA40 System Maintenance Manual
GDU 1040
MFD
ETHERNET
No. 2
GIA 63
190-00303-03