G900X/G950 Installation and Maintenance Manual – Troubleshooting
Page D-43
190-00719-00
Revision D
D.5.2 GMA 1347 Alerts
Message Cause
Solutions
MANIFEST – GMA1 software
mismatch. Communication
Halted.
The system has detected
an incorrect software
version loaded in GMA
1347.
•
Load correct software version.
GMA1 SERVICE – GMA1
needs service. Return unit for
repair.
The system has
determined GMA 1347
needs service.
•
Replace GMA 1347.
GMA1 FAIL – GMA 1 is
inoperative.
The system has detected
a failure in GMA 1347 #1.
•
Ensure GMA 1347 is receiving
power.
•
Ensure both GIAs are receiving
power.
•
Ensure all GDUs are receiving
power.
•
Ensure the GMA 1347/GIA RS-232
data lines are working properly.
•
Ensure the GIA/GDU Ethernet data
lines are working properly.
•
Replace GMA 1347.
GMA1 CONFIG – GMA1
configuration error. Config
service req’d.
The system has detected
a GMA 1347 configuration
mismatch.
•
Load GMA 1347 configuration files.
•
Replace GMA 1347.
•
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 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.