System Maintenance Manual

Page 5-16 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
GIA2 ARINC 429
Channel LRU Indicator Status
IN 2
(applies only
with SW Image
0636.03 and
subs)
GRS 77 #1
GIA2/GRS 77 #1 data path is functioning correctly.
GIA2/ GRS 77 #1 data path is not functioning correctly.
• Load GIA2 configuration file.
• Swap GIA1 and GIA2, 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 to a green
checkmark (√) after swapping units.
• Swap GRS1 and GRS2 (no reconfiguration required) to
confirm if the problem is in the original GRS1.
o Replace original GRS1 if box turns to a green
checkmark (√) after swapping units.
• Check the GIA2/ GRS 77 #1 interconnect wiring for faults.
GIA2/ GRS 77 #1 data path functionality is unknown. Reload
GIA2 configuration files.
IN 5 GDC 74 #2
GIA2/GDC 74 #2 data path is functioning correctly.
GIA2/GDC 74 #2 data path is not functioning correctly.
• Load GIA2 and GDC 74 #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 to a green
checkmark (√) after swapping units.
• Check the GIA2/GDC 74 #2 interconnect wiring for faults.
Replace GDC 74 #2 if problem remains.
GIA2/GDC 74 #2 data path functionality is unknown. Reload
GIA2 configuration files.