
Page 5-34 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
5.6.2.2 PFD RS-232 / ARINC 429 CONFIG Page
Table 5-17. MFD1 ARINC 429
Channel LRU Indicator Status
IN 1 GRS 77 #1
MFD1/GRS 77 data path is functioning correctly.
MFD1/GRS 77 data path is not functioning correctly:
• Reconfigure MFD1.
• Reconfigure GRS 77.
• Check the MFD1/GRS 77 interconnect wiring for
faults.
• Swap the MFD with the PFD to confirm if the
problem is in the original MFD.
o Replace original MFD if box turns green
after swapping displays.
o Replace GRS 77 if problem remains.
MFD1/GRS 77 data path functionality is unknown. Reload
MFD configuration file.
IN 2 GDC 74 #1
MFD1/GDC 74 data path is functioning correctly.
MFD1/GDC 74 data path is not functioning correctly:
• Reconfigure MFD1.
• Reconfigure GDC 74A.
• Check the MFD1/GDC 74 interconnect wiring for
faults.
• Swap the MFD with the PFD to confirm if the
problem is in the original MFD.
o Replace original MFD if box turns green
after swapping displays.
o Replace GDC 74A if problem remains.
MFD1/GDC 74 data path functionality is unknown. Reload
MFD configuration file.
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