Instruction manual

400W Series 190-01226-04 Rev. 2
Instructions for Continued Airworthiness Bell 206B Page 17 of 22
Alert Text Possible Cause Solution
• Ensure that Terrain database is
inserted in the right most card
slot.
• Reload the TERRAIN
database.
TERRAIN has failed
• The unit has detected a failure
in the terrain system.
• Contact Garmin technical
support.
• Check for proper configuration
• Check for correct wiring
Traffic device has failed
• The 400W Series unit cannot
communicate with the traffic
system and/or the traffic
system is reporting a system
failure.
• Refer to the Traffic system
installation manual.
Traffic device needs service
• The traffic device is reporting a
system failure.
• Refer to the Traffic system
installation manual.
User card format unknown
• A data card has been inserted,
but the format of the card is not
recognized.
• Reload the information onto the
card. If that does not solve the
problem replace the card.
VLOC has failed (420W and
430W only)
• The GNC 420/GNS 430W has
detected a failure in its VLOC
receiver.
• Contact Garmin technical
support.
VLOC is not responding
(420W and 430W only)
• Internal system-to-system
communication between the
main processor and the VLOC
receiver has failed.
Operational status of the
VLOC receiver is unknown.
• Contact Garmin technical
support.
VLOC needs service
(420W and 430W only)
• The unit has detected a failure
in its VLOC receiver. The
VLOC receiver may still be
usable.
• Contact Garmin technical
support.
• Try pressing the switch again to
cycle its operation.
VLOC remote transfer key is
stuck (420W and 430W only)
• The remote VLOC transfer
switch is stuck in the enabled
(or “pressed”) state.
• Contact Garmin technical
support.
• Try pressing the VLOC flip-flop
key again to cycle its operation.
VLOC transfer key stuck
(420W and 430W only)
• The VLOC flip-flop key is stuck
in the enabled (or “pressed”)
state.
• Contact Garmin technical
support.