Instruction Manual

G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air Page 5-9
190-00915-01 Revision 9
PFD 2 ARINC 429
Channel LRU Indicator Status
IN 1
GRS 77 or
GRS 7800 #2
Green
PFD2/GRS 77 or GRS 7800 #2 data path is functioning
correctly.
Red
PFD2/GRS 77 or GRS 7800 #2 data path is not functioning
correctly.
• Verify GRS77/7800 #2 status is “OK” using the System
Status page on the MFD. If it is not, correct condition
before proceeding, reference GRS troubleshooting sections.
o Swap GRS1 and GRS2 (no reconfiguration
required) to confirm if the problem is in the original
GRS1.
o Replace original GRS1 if box turns green after
swapping units.
• Load PFD2 configuration file.
• Swap PFD2 and PFD1 to confirm if the problem is in the
original PFD2.
o Replace original PFD2 if box turns green after
swapping displays.
• Swap GRS1 and GRS2 (no reconfiguration required) to
confirm if the problem is in the original GRS1.
o Replace original GRS1 if box turns green after
swapping units.
• Check the PFD2/GRS 77 or GRS 7800 #2 interconnect
wiring for faults.
Amber
PFD2/GRS 77 or GRS 7800 #2 data path functionality is
unknown. Reload PFD2 configuration file.
IN 2
GDC 74 #2
Or
GDC7400#2
Green
PFD2/GDC #2 data path is functioning correctly.
Red
PFD2/GDC #2 data path is not functioning correctly.
• Verify GDC #2 status is “OK” using the System Status page
on the MFD. If it is not, correct condition before
proceeding, reference GDC troubleshooting sections.
• Load PFD2 and GDC #2 configuration files.
• Swap PFD2 and PFD1 to confirm if the problem is in the
original PFD2.
o Replace original PFD2 if box turns green after
swapping displays.
• Check the PFD2/GDC #2 interconnect wiring for faults.
Replace GDC #2 if problem remains.
Amber
PFD2/GDC #2 data path functionality is unknown. Reload
PFD2 configuration file.