____________________________________________________________________
Page 5-68
Cirrus Perspective™ Line Maintenance Manual
Rev. E
190-00920-00
5.8.6
NAV
Related
Alerts
Message
Cause
Solutions
NAV1
SERVICE
–
NAV1
needs
service.
Return
unit
for
repair.
The
system
has
detected
a
failure
in
NAV1
receiver.
•
Replace
GIA1.
NAV2
SERVICE
–
NAV2
needs
service.
Return
unit
for
repair.
The
system
has
detected
a
failure
in
NAV2
receiver.
•
Replace
GIA2.
5.8.7
G/S
Related
Alerts
Message
Cause
Solutions
G/S1
SERVICE
–
G/S1
needs
service.
Return
unit
for
repair.
The
system
has
detected
a
failure
in
G/S1
receiver.
•
Replace
GIA1.
G/S2
SERVICE
–
G/S2
needs
service.
Return
unit
for
repair.
The
system
has
detected
a
failure
in
G/S1
receiver.
•
Replace
GIA2.
G/S1
FAIL
–
G/S1
is
inoperative.
The
system
has
detected
a
failure
in
G/S1
receiver.
•
Switch
GIA1
and
GIA2
to
verify
location
of
problem:
−
If
problem
follows
the
unit,
replace
GIA.
−
If
problem
does
not
follow
unit,
check
G/S1
antenna
and
cabling.
G/S2
FAIL
–
G/S2
is
inoperative.
The
system
has
detected
a
failure
in
G/S2
receiver.
•
Switch
GIA1
and
GIA2
to
verify
location
of
problem:
−
If
problem
follows
the
unit,
replace
GIA.
−
If
problem
does
not
follow
unit,
check
G/S2
antenna
and
cabling.
Summary of Contents for Cirrus Perspective SR20
Page 2: ......