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System Maintenance Manual

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Page 5-18 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
5.2.1.3 GIA CAN / RS-485 CONFIGURATION Page
GIA1 RS-485
Channel LRU Indicator Status
CHNL 1 GEA1
GIA1/GEA1 data path is functioning correctly.
GIA1/GEA1 data path is not functioning correctly.
• Verify GEA1 is powered on using the GEA Status page.
• Load GIA1 and GEA1 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 to a green checkmark
(√) after swapping units.
• Swap GEA1 and GEA2, reconfigure both GEA’s to their new
locations to confirm if the problem is in the original GEA1.
o Replace original GEA1 if box turns to a green checkmark
(√) after swapping units.
Check the GIA1/GEA1 interconnect wiring for faults.
GIA1/GEA1 data path functionality is unknown. Reload GIA1
configuration files.
CHNL 2 GEA2
GIA1/GEA2 data path is functioning correctly.
GIA1/GEA2 data path is not functioning correctly.
• Verify GEA2 is powered on using the GEA Status page.
• Load GIA1 and GEA2 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 to a green checkmark
(√) after swapping units.
• Swap GEA2 and GEA1, reconfigure both GEA’s to their new
locations to confirm if the problem is in the original GEA2.
o Replace original GEA2 if box turns to a green checkmark
(√) after swapping units.
Check the GIA1/GEA2 interconnect wiring for faults.
GIA1/GEA2 data path functionality is unknown. Reload GIA1
configuration files.
CHNL 4 GFC 700
GIA1/GFC 700 data path is functioning correctly.
GIA1/GFC 700 data path is not functioning correctly.
• Load GIA1 configuration files, GIA Gains file and GSA software
and gains file (if LRU and Card versions are different).
Reference GFC section for further troubleshooting.
GIA1/GFC 700 data path functionality is unknown. Reload GIA1
configuration files.