G900X/G950 Installation and Maintenance Manual – Troubleshooting
Page D-41
190-00719-00
Revision D
Miscellaneous Alerts (continued)
Message Cause
Solutions
TAWS FAIL
A TAWS system failure
has occurred.
•
If message occurred on the first
power up after unlocking TAWS,
cycle power to initialize TAWS.
•
Ensure each GDU contains a
supplemental data card with a
terrain and obstacle database
present.
•
Verify GIA’s are online.
•
Verify GPS receivers have a
position lock. TAWS must have a
GPS position and altitude present
to operate.
•
Ensure an Airport Terrain,
Obstacle, Terrain, Aviation
Database, or GDU SW mismatch
has not occurred.
−
If a mismatch has occurred, load
correct database/software files
or replace all the supplemental
database cards as a set.
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 system integrity not
high enough to enable
TAWS
•
Ensure valid GPS position is
received from the AUX – GPS
STATUS page.
TRAFFIC FAIL
Communication with the
traffic device has failed.
•
If a non-Garmin Traffic device is
installed, refer to the manufacturer’s
maintenance manual to determine if
it is operating correctly.
•
Check GIA2/Traffic Device wiring
and connectors for faults.