Garmin GTN 6 series Maintenance Manual - page 44
GTN 6XX/7XX Part 27 AML STC Maintenance Manual
190-01007-B1
Page 4-12
Rev. 1
4.3.1.5
Traffic Related Alerts
Table 4-7. Traffic Alert Troubleshooting Guide
4.3.1.6
Datalink Related Alerts
Table 4-8. Database Alert Troubleshooting Guide
Alert Text
Possible Cause
Corrective Action
TRAFFIC - Traffic device is
inoperative or connection to
GTN is lost.
Traffic device is not powered up.
Ensure the traffic device is receiving power and is connected to ground.
Verify the wiring between the GTN and the traffic device.
Raw ARINC 429 data can be viewed on the GTN DIAGNOSTICS - ARINC
INPUTS page in configuration mode.
Traffic device has failed.
TRAFFIC - Traffic device has
been in standby for more than
60 seconds.
The GTN is in the airborne state and the traffic
device has been in standby for more than 60
seconds.
Troubleshoot the traffic system. Refer to traffic system installation manual.
Alert Text
Possible Cause
Corrective Action
DATALINK – GDL 69 is
inoperative or connection to
GTN is lost.
The GTN cannot communicate with the
GDL 69.
Check for proper configuration.
Ensure the GDL 69 is powered up.
Verify that the GDL 69 Ethernet ports are enabled.
HSDB data from the GDL 69 can be routed to the GTN through other Garmin
LRUs. Ensure that all Garmin LRUs are powered up.