Garmin G1000 System Maintenance Manual page 202

5.9.7 GMA Alerts
Failure Message
GMA1 SERVICE – GMA1 needs
service. Return unit for repair.
GMA2 SERVICE – GMA2 needs
service. Return unit for repair.
GMA1 FAIL – GMA1 in
inoperative.
GMA2 FAIL – GMA2 in
inoperative.
MANIFEST – GMA1 software
mismatch. Communication
Halted.
MANIFEST – GMA2 software
mismatch. Communication
Halted.
GMA1 CONFIG – GMA1
configuration error. Config service
req'd.
GMA2 CONFIG – GMA2
configuration error. Config service
req'd.
Page 5-54
Revision 4
Cause
The system has determined that
the specified GMA 1347D needs
service.
The system has detected a failure
in the specified GMA 1347D.
The system has detected an
incorrect software version loaded
in the specified GMA 1347D.
The system has detected a GMA
1347D configuration mismatch for
the specified unit.
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Solution
•
Replace GMA .
•
Ensure GMA1 is receiving
power.
•
Ensure both GIAs are receiving
power.
•
Ensure all GDUs are receiving
power.
•
Ensure the GMA/GIA RS-232
data lines are working properly.
•
Ensure the GIA/GDU Ethernet
data lines are working properly.
Replace GMA1.
Load the correct unit software. See
Section 3.9 for the Software Loading
procedure.
•
Load GMA configuration files, s
Section 3.9.
•
Replace GMA.
•
If problem persists, replace
master configuration module,
check config module wiring for
faults and replace if necessary.
NOTE
New Terrain/Obstacle cards, Jeppesen
Aviation Database and other optional
features (i.e. TAWS unlock card) will
need to be replaced if the master
configuration module is changed. The
G1000 System ID number will change
to a new number when installing a new
master config module. The old Terrain
and other cards will no longer work as
they will remain locked to the old
System ID number.
190-00716-01
ee