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G1000 System Maintenance Manual
Page 5-19
190-00903-00
Rev.
A
SELECT UNIT—GIA1
RS-232 WINDOW
Channel LRU
Indicator
Status/Recommended
Action
GIA1/GDC 74B #1 data path is functioning correctly.
GIA1/GDC 74B #1 data path is not functioning correctly.
•
Check PFD1 Alert Window for GIA or GDC
configuration or software error messages. Correct
any errors before proceeding.
•
Verify GDC 74B #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 74B #1 interconnect wiring
and unit connector pins for faults.
•
Replace GDC 74B #1.
CHNL 1
GDC 74B #1
GIA1/GDC 74B #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 path 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 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/GTX 33 #1 interconnect wiring and
connector pins for faults.
•
Replace GTX 33 #1.
CHNL 5
GTX 33D #1
w/TIS
GIA1/GTX 33D #1 data path functionality is unknown.
Reload GIA1 configuration files.
