Garmin G1000 NAV III Line Maintenance Manual page 40

2.1.5.3 GIA RS-232 / ARINC 429 CONFIG Page
GIA1 RS-232
Channel LRU
CHNL 1 GDC 74 #1
GTX 33 #1
CHNL 5
w/TIS
CHNL 6 GRS 77 #1
Page 2-12
Rev. L
Indicator Status
GIA1/GDC 74A #1 data path is functioning correctly
GIA1/GDC 74A #1 data path is not functioning correctly.
•
Reconfigure GIA1.
•
Reconfigure GDC 74A.
•
Check the GIA1/GDC 74A interconnect wiring for faults.
•
Swap the GIA's to confirm if the problem is in the
original GIA.
GIA1/GDC 74 data path functionality is unknown. Reload GIA1
configuration file.
GIA1/GTX 33 data path is functioning correctly
GIA1/GTX 33 data path is not functioning correctly
•
Reconfigure GIA1.
•
Reconfigure GTX 33.
•
Check the GIA1/GTX 33 interconnect wiring for faults.
•
Swap the GIA's to confirm if the problem is in the
original GIA.
•
Replace GTX 33 if problem remains.
GIA1/GTX 33 data path functionality is unknown. Reload GIA1
configuration file.
GIA1/GRS 77 data path is functioning correctly
GIA1/GRS 77 data path is not functioning correctly.
•
Reconfigure GIA1.
•
Reconfigure GRS 77.
•
Check the GIA1/GRS 77 interconnect for wiring faults.
•
Swap the GIA's to confirm if the problem is in the
original GIA.
GIA1/GRS 77 data path functionality is unknown. Reload GIA1
configuration file.
Replace original GIA if box turns green after
o
swapping units.
Replace GDC 74A if problem remains.
o
Replace original GIA if box turns green after
o
swapping units.
Replace original GIA if box turns green after
o
swapping units.
Replace GRS 77 if problem remains.
o
G1000 Nav III Line Maintenance Manual
190-00352-00