Instruction Manual

G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air Page 5-15
190-00716-01 Revision 4
GIA2 RS-232 (continued)
Channel LRU Indicator Status
CHNL 6
GRS 77 GRS
7800 #2
Green
GIA2/GRS 77 or GRS 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 GIA1.
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.
CHNL 7
GMA
1347D #2
Green
GIA2/GMA 1347D #2 data path is functioning correctly.
Red
GIA2/GMA 1347D #2 data path is not functioning correctly.
• Load GIA2 and GMA 1347D #2 configuration files.
• Swap GMA 1347D #2 and GMA 1347D #1, reconfigure
both GMA’s to their new locations to confirm if the problem
is in the original GMA 1347D #2.
o Replace original GMA 1347D #2 if box turns green
after swapping units.
• 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 GIA1/GMA 1347D #2 interconnect wiring for faults.
Amber
GIA1/GMA 1347D #2 data path functionality is unknown.
Reload GIA2 configuration files.