Garmin G1000 NAV III Line Maintenance Manual page 38

2.1.5.1 PFD RS-232 / ARINC 429 CONFIG Page
PFD1 ARINC 429
Channel LRU
IN 1 GRS 77 #1
IN 2 GDC 74 #1
Page 2-10
Rev. L
Indicator Status
PFD1/GRS 77 data path is functioning correctly
PFD1/GRS 77 data path is not functioning correctly
•
Configure PFD1
•
Configure GRS 77
•
Check the PFD1/GRS 77 interconnect wiring for faults
•
Swap the PFD with the MFD to confirm if the problem is
in the original PFD.
PFD1/GRS 77 data path functionality is unknown. Reload PFD
configuration file.
PFD1/GDC 74 data path is functioning correctly
PFD1/GDC 74 data path is not functioning correctly
•
Reconfigure PFD1.
•
Reconfigure GDC 74A.
•
Check the PFD1/GDC 74 interconnect wiring for faults.
•
Swap the PFD with the MFD to confirm if the problem is
in the original PFD.
PFD1/GDC 74 data path functionality is unknown. Reload PFD
configuration file.
Replace original PFD if box turns green after
o
swapping displays.
Replace GRS 77 if problem remains.
o
Replace original PFD if box turns green after
o
swapping displays.
Replace GDC 74A if problem remains.
o
G1000 Nav III Line Maintenance Manual
190-00352-00