____________________________________________________________________
Cirrus Perspective™ Line Maintenance Manual
Page 5-93
190-00920-00
Rev.
E
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
for
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
the
selected
GIA
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
for
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
for
corrective
actions.
•
AHRS
MON
invalid:
<STATE>
The
AHRS
monitor
has
detected
that
the
AHRS
data
is
invalid.
The
possible
values
for
<STATE>
are:
Mon
Prmtr
Invalid:
The
ARINC
429
data
used
by
one
of
the
monitors
has
not
been
received.
Attitude
Prmtr
Invalid:
The
ARINC
429
pitch
or
roll
angle
has
not
been
received.
Exceeded
Attitude
Limits:
The
pitch
or
roll
angle
has
exceeded
the
engagement
limits.
Cross
Hdg
Accel
Fail:
Cross
heading
acceleration
monitor
failed.
Vert
Accel
Fail:
Vertical
acceleration
monitor
failed.
Fltrd
Cross
Hdg
Accel
Fail:
Filtered
cross
heading
acceleration
monitor
failed.
Fltrd
Vert
Accel
Fail:
Filtered
vertical
acceleration
monitor
failed.
Roll
Accel
Fail:
Roll
acceleration
monitor
has
failed.
Normal
Accel
Fail:
Normal
acceleration
has
failed.
Troubleshoot
the
GRS
77
for
the
cause
of
the
failure.
Summary of Contents for Cirrus Perspective SR20
Page 2: ......
