Instruction manual

400W Series 190-01226-04 Rev. 2
Instructions for Continued Airworthiness Bell 206B Page 12 of 22
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
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.
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.
CDI key stuck
• The CDI key is stuck in the
enabled (or “pressed”) state.
Try pressing the CDI key again
to cycle its operation.
• Contact Garmin technical
support.
CDI key disabled
• “Ignore CDI key” has been
selected on the MAIN
CDI/OBS CONFIG page.
• Go to the MAIN CDI/OBS
CONFIG page and deselect
“Ignore CDI key”
Check unit cooling
• The 400W Series unit has
detected excessive display
backlighting temperature. The
backlighting has been
automatically dimmed to
reduce the temperature.
• Check for adequate ventilation
or check cooling airflow.
COM has failed 420W and
430W only)
• The unit has detected a failure
in its communications
transceiver.
• Contact Garmin technical
support.