Garmin G1000 Maintenance Manual page 53

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GIA1 RS-232 (continued)
Channel LRU
GMA
CHNL 7
1347 #1
G1000 System Maintenance Manual
190-00907-00
Indicator
GIA1/GMA 1347 data path is functioning correctly.
GIA1/GMA 1347 data path is not functioning correctly.
•
Check PFD Alert Window for GIA or GMA configuration
or software error messages. Correct any errors before
proceeding.
•
Verify GMA 1347 status is OK using the AUX -
SYSTEM STATUS PAGE on the MFD. If it has a Red-
X, troubleshoot why the GRS is offline before
proceeding.
•
Swap GIA1 and GIA2, reconfigure both GIA's to their
new locations to confirm if the problem is in the original
GIA1.
−
Replace original GIA1 if box turns green after
swapping units.
•
Check the GIA1/GMA 1347 interconnect wiring and
unit connector pins for faults.
•
Replace GMA 1347.
GIA1/GMA 1347 data path functionality is unknown.
Reload GIA1 configuration files.
Status
Page 5-17
Rev. B