400W Series
190-01226-14 Rev. 3
Instructions for Continued Airworthiness Bell 407
Page 17 of 26
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
Possible Cause
Solution
ADS-B traffic has failed
The ADS-B traffic system may have
lost GPS position or detected an
internal fault.
Check the applicable ADS-B
traffic source status page in Aux
mode
Contact Garmin technical
support.
ADS-B transmit has failed
ADS-B unit is not able to transmit a
message due to a failure with the
ADS-B system or antenna(s).
Check system and antenna
wiring. If problem persists
contact Garmin technical
support.
ADS-B is not transmitting
position
The ADS-B unit has detected a
position input fault.
Verify GPS position source is
functional. If problem persists
contact Garmin technical
support.
ADS-B fault - Check ADS-B
Status Page
An equipment fault has been
detected.
Contact Garmin technical
support.
ADS-B - Connection has
been lost
The GNS is configured for a traffic
device but is not receiving data from
it. Traffic will not be displayed on the
GNS.
Verify traffic system is
configured correctly. If problem
persists contact Garmin
technical support.
ADS-B Traffic Alerting not
available
The ADS-B traffic system is reporting
that the CSA application has failed.
Traffic alerting on ADS-B traffic is
unavailable.
Ensure the aircraft has a clear
view of the sky. If problem
persists contact Garmin
technical support.
Airport terrain database
integrity error
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 data is not usable, try
reloading the information onto
the card. If that does not solve
the problem replace the card.
Audio database error out of
date or missing
The 400W-series unit has detected a
problem with the built-in HTAWS
Audio Data-base. HTAWS audio
alerts are not available.
Contact Garmin technical
support.
Aviation database integrity
error
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 data is not usable, try
reloading the information onto
the card. If that does not solve
the problem replace the card.
Basemap database integrity
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.
Reload the Basemap database
Boot block verify failed -
Return unit for repair
System integrity testing has
determined that the boot block has
become corrupted.
Contact Garmin technical
support.
Summary of Contents for 400W Series
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