Garmin G1000 Maintenance Manual page 107

__________________________________________________________________
This step checks to ensure that none of the servos are reporting any type of failure. Note
that trim servos will report a failure on stuck MET switches.
Ensure MET switch is not stuck.
Cycle power on all servos.
•
PFT Step 6: System initializing, verify cross GIA valid
This step checks to ensure the cross-side GIA is online and communicating with all servos
from ARINC 485 data lines. The cross-side GIA must also pass its AHRS monitoring.
Ensure both GIAs are online and communicating with all servos.
•
PFT Step 7: Verify cross GIA initialized
This step checks to ensure the cross-side GIA is initialized.
Cycle power on all servos and GIAs.
Ensure the PFD1/2 and MFD are turned on.
•
PFT Step 8: Verify servo type
This step checks to ensure the servos are correct type.
Verify servos are correct type.
•
PFT Step 9: Verify servo first certification data
This step checks to ensure the servos and the GIAs have the same certification gains.
Reload the certification gains to all GIAs and servos.
•
PFT Step 10: Verify servo second certification data
This step checks to ensure the servos and the GIAs have the same certification gains.
Reload the certification gains to all GIAs and servos.
•
PFT Step 11: Updating servo RTC
This step sets the servo system time to the GIA system time.
If fails this step, GIA's can not communicate with servos. Check for GIA/servo data path
issues and power/AP disconnect loss.
•
PFT Step 12: Verify servo PFT status
This step checks to ensure all servos have passed their own pre-flight test.
G1000 System Maintenance Manual
190-00907-00
Page 5-71
Rev. B