Garmin G1000 Nxi System Maintenance Manual page 154

PFD 1 ARINC 429
Channel LRU
GRS 77 or
GRS 7800
IN 1
or GSU 75
#1
GDC7400
IN 2 or GDC 72
#1
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Indicator Status
Green PFD1/GRS or GSU 1 data path is functioning correctly.
PFD1/GRS or GSU 1 data path is not functioning correctly.
•
Verify GRS or GSU 1 status is "OK" using the Aux –
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
o Replace original GRS1 if box turns green after
•
Load PFD1 configuration file.
Red
•
Swap PFD1 and PFD2 to confirm if the problem is in
the original PFD1.
o Replace original PFD1 if box turns green after
•
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
Check the PFD1/ GRS or GSU 1 interconnect wiring for
faults.
PFD1/GRS or GSU 1 data path functionally is unknown.
Amber
Reload PFD1 configuration file.
Green PFD1/GDC #1 data path is functioning correctly
PFD1/GDC #1 data path is not functioning correctly.
•
Verify GDC #1 status is "OK" using the Aux – System
Status page on the MFD. If it is not, correct condition
before proceeding, reference GDC troubleshooting
sections.
•
Load PFD1 and GDC #1 configuration files.
Red
•
Swap PFD1 and PFD2 to confirm if the problem is in
the original PFD1.
o Replace original PFD1 if box turns green after
•
Check the PFD1/GDC #1 interconnect wiring for faults.
Replace GDC #1 if problem remains.
PFD1/GDC #1 data path functionality is unknown. Reload
Amber
PFD1 configuration file.
required) to confirm if the problem is in the
original GRS1.
swapping units.
swapping displays.
swapping units.
swapping displays.
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