Lynx NGT-9000s
Installation Manual
Table 4-2: System Status Messages
SYMPTOM
CAUSE/CORRECTIVE ACTIONS
ADS-B Out - Degrade
The message is seen if the follow test fails:
•
GPS Sensor
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. If the problem continues, replacement of the unit may
be required. Contact L-3 Field Service before removal.
ADS-B Out –Fail
The message is seen if any of the following tests fail:
•
1090 Transmitter
•
GPS Sensor
•
Bus Monitor
•
Transponder Rate
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. If the problem continues, replacement of the unit may
be required. Contact L-3 Field Service before removal.
Audio External fail
The message is seen if the follow test fails:
•
Audio mute discrete
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. Check the audio mute wiring or interface for possible
errors.
3. Contact L-3 Field Service if problem continues.
Audio fail
The message is seen if the follow test fails:
•
Internal audio alerts
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. If the problem continues, replacement of the unit may
be required. Contact L-3 Field Service before removal.
FIS-B - Fail
The message is seen if the following test fails or signal is
lost:
•
L-Band (UAT/1090) Antenna
•
Seen if no FIS-B data has been received within 15
minutes.
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. Check the L-Band antenna or cables for possible
errors.
3. If the problem continues, replacement of the L-Band
antenna or the unit may be required. Contact L-3 Field
Service before removal.
0040-17001-01
Maintenance
Page 4-11
Revision A
January 15, 2015