G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Page 5-33
190-00716-01
Revision 1
9.
The GIA Maintenance Log can record any of the following faults:
•
FCS Task not started: Bad gains
The FCS task has not started because the gains are not present or have been corrupted.
Reload the gain files to correct.
•
FCS Task not started: Gain structure out of range
The FCS task has not started because the gains are not compatible with the GIA software.
Reload the gain files to correct.
•
PFT FAIL: Timeout, <STEP>
Pre-flight test has failed because the specified step has not passed in the allotted time. See the GIA
pre-flight steps for a description of the possible values for
<STEP>
on the failed GIA and corrective
actions.
•
PFT FAIL: Cross GIA Failed, State: <STEP>
Pre-flight test has failed on opposite GIA.
<STEP>
specifies the pre-flight test step on selected
GIA that was in progress when the pre-flight test failed on the opposite GIA. See the GIA pre-flight
steps for a description of the possible values for
<STEP>
on the failed GIA and corrective actions.
•
PFT FAIL: <STEP>
Pre-flight has failed because the step specified has failed. See the GIA pre-flight test steps for a
description of the possible values for
<STEP>
on the failed GIA and corrective actions.
•
AHRS MON invalid: <STATE>
The AHRS monitor has detected that the AHRS data is invalid. The possible values for
<STATE>
are:
a. Mon Prmtr Invalid:
The ARINC 429 data used by one of the monitors has not been
received.
b. Attitude Prmtr Invalid:
The ARINC 429 pitch or roll angle has not been received.
c. Exceeded Attitude Limits:
The pitch or roll angle has exceeded the engagement limits.
d. Cross Hdg Accel Fail:
Cross heading acceleration monitor failed.
e. Vert Accel Fail:
Vertical acceleration monitor failed.
f. Fltrd Cross Hdg Accel Fail:
Filtered cross heading acceleration monitor failed.
g. Fltrd Vert Accel Fail:
Filtered vertical acceleration monitor failed.
h. Roll Accel Fail:
Roll acceleration monitor has failed.
i. Normal Accel Fail:
Normal acceleration has failed.
Troubleshoot the GRS 77 for the cause of the failure.
•
Stuck switch invalidated parameter: <AXIS>
A MET switch in the specified axis is stuck.
Check the MET (trim) switches for proper operation.
Summary of Contents for Cessna Caravan G1000
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