Garmin GPS 400W Installation Manual page 134

Alert Text
G/S is not responding
(430W only)
G/S needs service
(430W only)
GAD configuration required
GAD needs service
GDL 69 is not responding
GPS is not responding – (main
software version 3.11 and earlier)
GPS is not responding – check
GPS antenna (main software
version 3.20 and later).
GPS needs service
Large magnetic variance
Page 6-6
Rev. G
Possible Cause
Internal system-to-system
communication between the
main processor and the
glideslope receiver has failed.
Operational status of the
glideslope receiver is unknown.
The unit has detected a failure
in its glideslope receiver. The
glideslope receiver may still be
usable.
The GAD 42 Interface Adapter
has lost the configuration
information stored in its internal
memory. Any mechanical
indicators connected to your
400W- series unit are unusable.
The 400 Series unit has
detected a failure in the GAD 42
interface adapter. Any
mechanical indicators
connected to your unit are
unusable.
No data is being received from
the GDL 69.
GPS antenna cable is shorted.
Internal system-to-system
communication between the
main processor and the GPS
receiver has failed. Operational
status of the GPS receiver is
unknown.
The 400W Series unit has
detected a failure in its GPS
receiver.
A valid value of magnetic
variation is not available for this
location.
Verify all course angles
Solution
Contact Garmin technical
support.
Contact Garmin technical
support.
Reconfigure the GAD 42 unit.
Refer the GAD 42 Installation
Manual (P/N 190-00159-00)
Refer to section 5.2.3 of the
GAD Installation Manual
(P/N 190-00159-00)
Check for proper configuration
Check wiring
Contact Garmin technical
support.
Verify that the center
conductor is not shorted to the
braid in the coaxial cable.
Contact Garmin technical
support.
Contact Garmin technical
support.
Contact Garmin technical
support.
400W Series Installation Manual
190-00356-02