Garmin SA01456Wi_D Manual Page 152

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Page 5-28 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
5.4 TAWS Troubleshooting
Annunciation Cause Solution
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 the
correct database data card.
Ensure the G1000 is configured for
TAWS:
9 If the system is not configured
for TAWS, reconfigure per
Section 3.9.6.
Verify GIAs are online.
Ensure a database or GDU SW
mismatch has not occurred.
9 If a mismatch has occurred,
load correct database/software
files or replace the terrain card.
TAWS system is currently
being tested.
N/A – Test will be conducted up to two
minutes
TAWS system alerting is
disabled
Enable TAWS system alerting by
pressing the INHIBIT softkey on the
MAP – TAWS page.
GPS system integrity not high
enough to enable TAWS
Ensure valid GPS position is
received from the AUX – GPS
STATUS page.
Check GPS antenna & associated
coaxial cabling.
Troubleshoot GIAs.
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