Page D-2
G900X/G950 Installation and Maintenance Manual – Troubleshooting
Revision D
190-00719-00
D.1.2 System Annunciation Troubleshooting
Annunciation
Associated
LRU
Solution
NAV1 or COM1
GIA1
•
Check PFD Alert Window for GIA1 configuration,
software or failed data path error messages.
Correct any errors before proceeding.
•
Swap GIA1 and GIA2 and reconfigure for their new
positions to verify location of problem:
−
If problem follows GIA1, replace GIA1.
•
Check Ethernet interconnect from GIA1 to PFD and
unit connector pins for faults.
•
If problem persists, replace PFD.
NAV2 or COM2
GIA2
•
Check PFD Alert Window for GIA2 configuration,
software or failed data path error messages.
Correct any errors before proceeding.
•
Swap GIA1 and GIA2 and reconfigure for their new
positions to verify location of problem:
−
If problem follows GIA2, replace GIA2.
•
Check Ethernet interconnect from GIA2 to MFD and
unit connector pins for faults.
•
If problem persists, replace MFD.