Page 5-26
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 1
190-00716-01
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.
A GPWS system failure has
occurred.
•
Verify GIAs are online.
•
Verify
radio
altimeter input is valid.
•
Verify baro altitude and vertical
speed input are valid.
Summary of Contents for Cessna Caravan G1000
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