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G1000 System Maintenance Manual
Page 5-65
190-00903-00
Rev.
A
Advisory Message
Possible Cause
Recommended Actions
TAWS FAIL
A TAWS system failure has
occurred.
•
If message occurred on the first
power up after unlocking
TAWS, cycle system power to
reinitialize TAWS and message
should clear.
•
Ensure each GDU contains a
supplemental data card.
•
Verify GIAs and GPS are online
using the MFD AUX – SYSTEM
STATUS page.
•
Verify GPS has a position lock.
•
Ensure an Airport Terrain,
Obstacle, Terrain, Aviation
Database, or GDU SW
mismatch has not occurred.
Correct any database and
software errors.
TAWS TEST
TAWS system is currently
being tested.
Normal annunciation during self
test. Test will take up to two
minutes to complete.
TAWS INHB
TAWS system alerting is
disabled
Enable TAWS system alerting by
pressing the MENU button from the
MAP – TAWS page.
TAWS N/A
GPS accuracy not high
enough to enable TAWS
Satellite coverage insufficient in the
area for TAWS calculations.
Contact Garmin Aviation Product
Support for assistance if persistent.