Instruction Manual

Page 5-12 G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air
Revision 9 190-00915-01
GIA1 RS-232 (continued)
Channel LRU Indicator Status
CHNL 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) 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.
CHNL 7
GMA
1347 #1
Green
GIA1/GMA 1347D #1 data path is functioning correctly.
Red
GIA1/GMA 1347D #1 data path is not functioning correctly.
• Load GIA1 and GMA 1347D #1 configuration files.
• Swap GMA 1347D #1 and GMA 1347D #2, reconfigure
both GMA’s to their new locations, to confirm if the
problem is in the original GMA 1347D #1.
o Replace original GMA 1347D #1 if box turns green
after swapping units.
• 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.
Check the GIA1/GMA 1347D #1 interconnect wiring for faults.
Amber
GIA1/GMA 1347D #1 data path functionality is unknown.
Reload GIA1 configuration files.