Page D-16
G900X/G950 Installation and Maintenance Manual – Troubleshooting
Revision D
190-00719-00
D.3.2 GIA RS-232 / ARINC 429 CONFIG Page
GIA1 RS-232
Channel LRU Indicator
Status
GIA1/GDC 74A #1 data path is functioning correctly.
GIA1/GDC 74A #1 data path is not functioning correctly.
•
Check PFD Alert Window for GIA or GDC
configuration or software error messages. Correct
any errors before proceeding.
•
Verify GDC 74 #1 status is OK using the AUX –
SYSTEM STATUS page on the MFD. If it has a Red-
X, troubleshoot why the GDC is offline before
proceeding.
•
Swap GIA1 and GIA2, reconfigure both GIA’s to their
new locations to confirm if the problem is in the original
GIA1.
−
Replace original GIA1 if box turns green after
swapping units.
•
Check the GIA1/GDC 74 #1 interconnect wiring and
unit connector pins for faults.
Replace GDC 74 #1 if problem remains.
CHNL 1
GDC 74A
#1
GIA1/GDC 74A #1 data path functionality is unknown.
Reload GIA1 configuration files.
CHNL 2
GRS 77 #2
(output only)
GIA1/GRS 77 #2 output data path is not monitored. A
black box is normal.
GIA1/GTX 33 #1 data path is functioning correctly.
GIA1/GTX 33 #1 data pa th is not functioning correctly.
•
Check PFD1 Alert Window for GIA or GTX
configuration or software error messages. Correct
any errors before proceeding.
•
Swap GIA1 and GIA2, reconfigure both GIAs to their
new locations to confirm if the problem is in the original
GIA1.
−
Replace original GIA1 if box turns green after
swapping units.
•
Check the GIA1/GTX 33 #1 interconnect wiring and
connector pins for faults.
•
Replace GTX 33 #1 if problem remains.
CHNL 5
GTX 33 #1
GIA1/GTX 33 #1 data path functionality is unknown.
Reload GIA1 configuration files.