Instruction Manual

Page 5-14 G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air
Revision 9 190-00915-01
IN 6
GRS 77 or
GRS 7800 #1
Green
GIA1/GRS 77 or GRS 7800 #1 data path is functioning
correctly.
Red
GIA1/GRS 77 or GRS 7800 #1 data path is not functioning
correctly.
• Load GIA1 configuration files.
• Swap GIA1 and GIA2, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA1.
o Replace original GIA1 if box turns green after
swapping units.
• Swap GRS1 and GRS2 (no reconfiguration required, ref.
GRS Configuration and Testing sections) to confirm if the
problem is in the original GRS1.
o Replace original GRS1 if box turns green after
swapping units.
• Check the GIA1/GRS 77 or GRS 7800 #1 interconnect
wiring for faults.
Amber
GIA1/GRS 77 or GRS 7800 #1 data path functionality is
unknown. Reload GIA1 configuration files.