Airplane Flight Manual Supplement or Supplemental Flight Manual for the NGT-9000
Revision 4 Issue:
9/19/17
Page 17 of 27
Document Number L3-76AK-AFMS1
FAA Approved
3.1.4 Loss of GPS/SBAS Position Data
Loss of GPS/SBAS indicated by a GPS failure
message on the NGT-9000/CP-2500 and a
SLOW blinking ADS-B FAIL light (if installed) .........
PULL NGT CIRCUIT BREAKER.
WAIT 5 SECONDS AND RESET. IF
SLOW BLINKING ADS-B FAIL LIGHT
CONTINUES, OR BECOMES STEADY,
ASSUME AN ADS-B OUT FAILURE.
If under ATC control, notify your Controller of loss of ADS-B OUT.
3.1.5 Visual/Aural Traffic Alert From ATAS, TAS or TCAS
Traffic Alert .............................................................
VISUALLY ACQUIRE TRAFFIC
3.2 Abnormal Procedures
3.2.1 Abnormal Indications
Table 3-1: Troubleshooting for the Panel Mount NGT-9000
Symptom
Screen
Cause/Corrective Actions
•
Blank display.
•
ADS-B Fail lamp is OFF
All
Loss of power or damaged unit.
1. Check power connections, breakers, and main
avionics switch.
2. Verify Battery (BAT) Master switch is on.
3. Check the Lynx MAT fault log.
Contact L3 Field Service before removal of unit.
The unit has manual
brightness adjustment only.
All
Loss of light sensor data.
1. Try clearing the failure by restarting the unit by
tapping the Restart button.
2. Check System Status Messages.
3. Check the Lynx MAT fault log.
Contact L3 Field Service before removal of unit.
When touching the screen,
the command function
seems to be slightly off from
the center of the screen
symbol or area.
All
The screen calibration is out of tolerance.
1. Perform the Screen Calibration has described in the
Installation Manual (L3-76AK-IM1).
Contact L3 Field Service before removal of unit.
Internal fan is always active.
MSG button on screen.
N/A
Loss of temperature sensor data. The message seen is
“Unit Over Temp Service Soon”.
1. Try clearing the failure by restarting the unit by
tapping the Restart button.
2. If in maintenance mode the fan remains active. This
is normal.
3. Check System Status Messages.
4. Check the Lynx MAT fault log.
Contact L3 Field Service before removal of unit.
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