Alert Text
TAWS has failed
TAWS inhibit key stuck
TAWS mute caution
key is stuck
TAWS reduced
protection key is stuck
TERRAIN configuration
conflict
TERRAIN configuration
has changed
Terrain database
integrity error
TERRAIN has failed
Traffic device has failed The 500W Series unit cannot
Traffic device needs
service
User card format
unknown
500W Series
Instructions for Continued Airworthiness Bell 206B
Possible Cause
The 500W Series unit has detected a
failure in its TAWS system.
The external TAWS inhibit key is
stuck.
The external HTAWS aural
suppression input is stuck
The external TAWS reduced
protection key is stuck
The current Terrain configuration is
not supported by the hardware.
The unit's terrain settings have
changed since it was last turned on
in normal mode.
The 500W Series unit has detected a
problem with a database on the
Terrain data card.
The unit has detected a failure in the
terrain system.
communicate with the traffic system
and/or the traffic system is reporting a
system failure.
The traffic device is reporting a system
failure.
A data card has been inserted, but the
format of the card is not recognized.
Solution
Ensure that terrain database
is inserted in right most card
slot.
Reload the terrain database.
Contact Garmin technical
support.
Verify that the wiring is not
shorted to ground.
Contact Garmin technical
support.
Try pressing the TAWS mute
key again to cycle its
operation. If problem persists
contact Garmin technical
support.
Try pressing the TAWS
reduced protection key to
cycle its operation. If the
problem persists contact
Garmin technical support.
Reconfigure the unit.
Reconfigure TERRAIN
settings
Contact Garmin technical
support
Reloading the information
onto the card.
Replace the card.
Ensure that Terrain database
is inserted in the right most
card slot.
Reload the TERRAIN
database.
Contact Garmin technical
support.
Check for proper configuration
Check for correct wiring
Refer to the Traffic system
installation manual.
Refer to the Traffic system
installation manual.
Reload the information onto
the card. If that does not
solve the problem replace the
card.
190-01226-03 Rev. 5
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