Garmin G1000 Nxi System Maintenance Manual page 155

PFD 2 RS-232
Channel LRU
CHNL 2 GMC 710
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Indicator Status
Green PFD2/GMC 710 data path is functioning correctly.
PFD2/GMC 710 data path is not functioning correctly.
•
Verify GMC 710 is powered on.
o If GMC 710 will not power on, remove unit and
Red
•
Load PFD2 and GMC 710 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
•
Check the PFD2/GMC 710 interconnect wiring for
faults.
Replace GMC 710 if problem remains.
PFD2/GMC 710 data path functionality is unknown.
Amber
Reload PFD2 configuration file.
verify power and ground are present at the
GMC connector.

If power or ground is not present,
troubleshoot aircraft wiring for faults.

If power and ground are present,
replace GMC 710.
swapping displays.
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