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____________________________________________________________________
Page 5-28
Cirrus Perspective™ Line Maintenance Manual
Rev. E
190-00920-00
IN
5
GDC
74A
#1
GIA1/GDC
74A
#1
data
path
is
functioning
correctly.
GIA1/GDC
74A
#1
data
path
is
not
functioning
correctly.
•
Check
PFD
Alert
Window
for
GIA
or
GDC
configuration
or
software
error
messages.
Correct
any
errors
before
proceeding.
•
Make
sure
the
GDC
74A
#1
status
is
OK
using
the
AUX
–
SYSTEM
STATUS
page
on
the
MFD.
If
there
is
a
Red
‐
X,
troubleshoot
why
the
GDC
is
offline
before
proceeding.
•
Swap
GIA1
and
GIA2.
Reconfigure
both
GIA’s
at
their
new
locations
to
see
if
the
problem
is
in
the
original
GIA1.
−
Replace
original
GIA1
if
box
turns
green
after
swapping
units.
•
Check
the
GIA1/GDC
74A
#1
interconnect
wiring
and
unit
connector
pins
for
faults.
•
Replace
GDC
74A
#1.
GIA1/GDC
74A
#1
data
path
functionality
is
unknown.
Reload
GIA1
configuration
files.