Troubleshooting; General; Fdl-978-Xvr Led Troubleshooting Procedure - FreeFlight ADS-B FDL-978 Series Installation Manual

SECTION 4

TROUBLESHOOTING

4.1

General

This section provides information for troubleshooting problems that occur after FDL-978 Lite
Series and FDL-978-XVR installations. This section contains information on how to use the units
LEDs and TC978 Controller to troubleshoot installation problems. Refer to SECTION III to set
up and configure the system.
4.2

FDL-978-XVR LED Troubleshooting Procedure

The following is a quick reference troubleshooting guide using the FDL-978-XVR LEDs:
Problem
No LED Activity
TX LED not active
RX LED not active
ST LED is on
ST LED is flashing
quickly
GPS LED is flashing
slowly
GPS LED is off
GPS LED is flashing
quickly
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Potential Cause
No power
Unit is not transmitting ADS-B
messages
Unit is not receiving ADS-B
messages
A fault with the unit
GPS fault has occurred
GPS is acquiring satellites
GPS not communicating
GPS is reporting a fault
ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev F
Troubleshooting
Verify power is turned on,
Check power connections to unit.
Check antenna connections,
Check Controller Warning messages
Check antenna connections,
Check Controller Warning messages
Check Controller Warning messages
Check GPS connection/configuration,
Check Controller Warning messages
Allow 2-3 minutes for GPS tracking,
Check GPS antenna,
Check GPS for problems
Check GPS connection,
Check installation configuration
Check GPS for fault
4-1