Garmin G1000 Nxi System Maintenance Manual page 189

PFT step 3: System initialization, verify selected side
This step is checking to make sure the PFD1 is online and sending the selected AFCS side
data over HSDB to GIA1.
If this step fails, then make sure the PFD is powered up and there is an Ethernet connection
from the PFD to the GIA.
PFT step 4: System initialization, verify AHRS monitor
This step is checking to make sure the AHRS monitor is valid and not reporting an AHRS
failure.
NOTE: AHRS monitor will be assumed valid if on the ground.
If this step fails, then make sure the AHRS and ADC or ADAHRS is powered up and sending
valid attitude data to the G1000.
PFT step 5: System initialization, verify servo PFT is complete
This step is checking to make sure that all servos have completed their own PFT. This does
not check whether the servo PFT passed or failed. It verifies that the servo PFT is no longer in
progress.
PFT step 6: Verify cross GIA is initialized
This step is checking to make sure the other GIA is also on step 6 of its PFT.
If this step fails, try cycling power on GIA1, GIA2, and all servos. If PFT still fails at step 6 then
you will need to go check the PFT status of the other GIA and see what step it is failing (it
should be prior to step 6). NOTE: The PFT status is communicated between GIA1 and GIA2
using HSDB. As a result, both the PFD and MFD must be powered for this state to pass.
PFT step 7: Verify servo type
This step is checking to make sure the Servos are the correct type (torque and speed).
If this step fails, make sure the Servo configuration on the GFC configuration page matches the
Servos installed in the aircraft.
PFT step 8: Verify servo first certification data
This step is checking to make sure the servos have the same certification gains loaded in them
as the GIAs have.
If this step fails, reload the certification gains in GIA1, GIA2, and all servos.
PFT step 9: Verify servo second certification data
This step is checking to make sure the servos have the same certification gains loaded in them
as the GIAs have.
If this step fails, reload the certification gains in GIA1, GIA2, and all servos.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 176
Revision 1