Garmin 400W Series Instructions Manual page 17

2.6.1 400W Series Alerts
The 400W Series will display a number of alerts. These are listed in the following table.
Table 3. 400W Series Alert Troubleshooting Guide
Alert Text
ADS-B traffic has failed
ADS-B transmit has failed
ADS-B is not transmitting
position
ADS-B fault - Check ADS-B
Status Page
ADS-B - Connection has
been lost
ADS-B Traffic Alerting not
available
Airport terrain database
integrity error
Audio database error out of
date or missing
Aviation database integrity
error
Basemap database integrity
error
Boot block verify failed -
Return unit for repair
400W Series
Instructions for Continued Airworthiness Bell 407
Possible Cause
 The ADS-B traffic system may have
lost GPS position or detected an
internal fault.
 ADS-B unit is not able to transmit a
message due to a failure with the
ADS-B system or antenna(s).
 The ADS-B unit has detected a
position input fault.
 An equipment fault has been
detected.
 The GNS is configured for a traffic
device but is not receiving data from
it. Traffic will not be displayed on the
GNS.
 The ADS-B traffic system is reporting
that the CSA application has failed.
Traffic alerting on ADS-B traffic is
unavailable.
 The 400W Series unit has detected a
problem with a database on the
Terrain data card. The message
"<database name> database integrity
error" indicates the data base in
error.
 The 400W-series unit has detected a
problem with the built-in HTAWS
Audio Data-base. HTAWS audio
alerts are not available.
 The 400W Series unit has detected a
problem with a database on the
NavData® card. The message
"<database name> database integrity
error" indicates the data base in
error.
 The 400W Series unit has detected a
failure in the built-in basemap (land
data) database. Land data does not
appear on the Map Page. Other unit
functions continue to work normally.
 System integrity testing has
determined that the boot block has
become corrupted.
Solution
 Check the applicable ADS-B
traffic source status page in Aux
mode
 Contact Garmin technical
support.
 Check system and antenna
wiring. If problem persists
contact Garmin technical
support.
 Verify GPS position source is
functional. If problem persists
contact Garmin technical
support.
 Contact Garmin technical
support.
 Verify traffic system is
configured correctly. If problem
persists contact Garmin
technical support.
 Ensure the aircraft has a clear
view of the sky. If problem
persists contact Garmin
technical support.
 The data is not usable, try
reloading the information onto
the card. If that does not solve
the problem replace the card.
 Contact Garmin technical
support.
 The data is not usable, try
reloading the information onto
the card. If that does not solve
the problem replace the card.
 Reload the Basemap database
 Contact Garmin technical
support.
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