Instruction Manual

Page 5-16 G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 4 190-00716-01
GIA2 ARINC 429
Channel LRU Indicator Status
IN 5
GDC 7400
#2
Green
GIA2/GDC 7400 #2 data path is functioning correctly.
Red
GIA2/GDC 7400 #2 data path is not functioning correctly.
• Load GIA2 and GDC 7400 #2 configuration files.
• Swap GIA2 and GIA1, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA2.
o Replace original GIA2 if box turns green after
swapping units.
• Check the GIA2/GDC 7400 #2 interconnect wiring for
faults.
Replace GDC 7400 #2 if problem remains.
Amber
GIA2/GDC 7400 #2 data path functionality is unknown. Reload
GIA2 configuration files.
IN 6
GRS 77 or
GRS 7800 #2
Green
GIA2/GRS 77/7800 #2 data path is functioning correctly.
Red
GIA2/GRS 77 or GRS 7800 #2 data path is not functioning
correctly.
• Load GIA2 configuration files.
• Swap GIA2 and GIA1, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA2.
o Replace original GIA2 if box turns green after
swapping units.
• Swap GRS2 and GRS1 (no reconfiguration required) to
confirm if the problem is in the original GRS2.
o Replace original GRS2 if box turns green after
swapping units.
Check the GIA2/GRS 77 or GRS 7800 #2 interconnect wiring
for faults.
Amber
GIA2/GRS 77 or GRS 7800 #2 data path functionality is
unknown. Reload GIA2 configuration files.