Installation Manual

Table Of Contents
Lynx NGT-9000
Installation Manual
0040-17001-01 (Revision W) Maintenance Page 4-5
Table 4-1: Troubleshooting The Panel Mount NGT-9000
SYMPTOM
SCREEN
CAUSE/CORRECTIVE ACTIONS
Unit does not operate in normal
mode and starts in Bootloader
or maintenance mode.
MSG button on screen.
N/A
The following internal hardware test failures cause the unit to
automatically reset. This happens without cycling power to
the unit. If the hardware failure being detected does not
clear, a system fail message is sent.
ARINC 429 Receiver Loop Back Self-Test
Panel Mount Refresh Display Test
Panel Mount Frozen Display Test
SDRAM Self-Test
Persistent Memory Self-Test
FPGA CBIT Test/Monitor
System Clock Test/Monitor
RAM Continuous Monitor
NVM Copy Test
Flash Copy OPS Test
Flash Copy Airport DB Test
Flash Copy Map DB Test
SW Exception Interrupt Monitor
1. Cycle power to the unit.
2. Contact ACSS Field Service before removal of unit.
Display indicator
CALIBRATING ANTENNA
Traffic This indication is shown on the traffic map and all other
screen information is not shown.
A Calibration Complete indicator is shown after
calibration is finished.
A CALIBRATION FAILED indicator is shown after
calibration is complete, but it did not work.
Perform calibration again. Check antenna installation.
Contact ACSS Field Service before removal of unit.
Display indicator GROUND
TEST
Traffic This indication is shown in the upper right hand corner of
the
traffic screen. It is shown when the unit is connected to the
MPC and the MPC (MAT) is active with the ground test
function started.
Cycle power to the NGT-9000 to return to
normal operation.
Display indicator TRK (Track) Traffic Indicates that the traffic display orientation is true track.
1. This is a normal condition used for pilot information.
Display indicator ADS ONLY
(Models with TAS/TCAS
only) showing on traffic
screen.
MSG button on screen.
Traffic A traffic mode indicator that is shown when TAS/TCAS is
failed (or not available) and ADS-B is operating.
1. Possible problem with directional antenna or internal
hardware.
2. Cycle power to the unit.
3. Check System Status Messages.
4. Check the MPC (MAT) fault log.
5. Contact ACSS Field Service before removal of unit.