Garmin Diamond DA40, Maintenance Manual

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G1000/DA40 System Maintenance Manual Page 5-19
190-00303-03 Revision 6
5.9 GEA Troubleshooting
5.9.1 GEA Alerts
Failure Message Cause Solution
MANIFEST – GEA1 software
mismatch. Communication
Halted. The system has detected an
incorrect software version loaded
in GEA 71.
See Section 7 for GEA 71 Software
Load Procedure.
GEA1 CONFIG – GEA1
configuration error. Config service
req’d.
The system has detected a GEA
71 configuration mismatch. See Section 7 for GEA 71 Configuration
Procedure.
5.9.2 GEA Redundant Paths
Failure Message Cause Solutions
BACKUP PATH – EIS using
backup data path. The GEA 71 is using a backup
RS-485 data path.
Check RS-485 configuration settings at
the GIA page group:
9 If configuration is not correct,
reconfigure GIA as described
in Section 7.
Check wiring.
Replace GIA1 with a known good unit,
to verify location of problem:
9 If problem persists, replace the
GEA 71.
9 If problem does not persist,
replace GIA1.
ETHERNET
ETHERNET
ETHERNET ETHERNET
RS-485
Primary Data Path
Secondary Data Path
GEA 71 GEA 71
GDU 1040
PFD
No. 1
GIA 63
GDU 1040
MFD
GDU 1040
PFD
GDU 1040
MFD
No. 2
GIA 63
RS-485
Figure 5-8. GEA 71 Data Paths