System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-15
190-00682-01 Revision F
CHNL 6 GRS 77 #2
GIA2/GRS 77 #2 data path is functioning correctly.
GIA2/GRS 77 #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 to a green
checkmark (√) 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 to a green
checkmark (√) after swapping units.
Check the GIA2/GRS 77 #2 interconnect wiring for faults.
GIA2/GRS 77 #2 data path functionality is unknown. Reload
GIA2 configuration files.
CHNL 7
GMA
1347D #2
GIA2/GMA 1347D #2 data path is functioning correctly.
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 to a
green checkmark (√) 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 to a green
checkmark (√) after swapping units.
Check the GIA1/GMA 1347 #2 interconnect wiring for faults.
GIA1/GMA 1347D #2 data path functionality is unknown.
Reload GIA2 configuration files.