Airplane Flight Manual Supplement or Supplemental Flight Manual for the NGT-9000
Revision 4 Issue:
9/19/17
Page 18 of 27
Document Number L3-76AK-AFMS1
FAA Approved
Table 3-1: Troubleshooting for the Panel Mount NGT-9000
Symptom
Screen
Cause/Corrective Actions
Message page contains
messages that do not
indicate a functional failure
on the system status page.
N/A
The following internal tests do not create a fail message
in the system status page.
•
Configuration Module Test
•
Configuration Module Configuration Validity
•
Mutual Suppression Bus Self-Test
•
Over-Temperature Monitor (in air)
•
Power Fail Monitor
Although no immediate loss of function is occurring, an
undesired condition is taking place. At the earliest
convenience, perform the following action:
1. Try clearing the failure by restarting the unit by
tapping the Restart button (or cycling power).
Contact L3 Field Service before removal of unit.
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.
Contact L3 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 Lynx MAT is active with the ground
test function started.
Display indicator TRK
(Track)
Traffic
Indicates that the traffic display orientation is true track.
1. This is a normal condition used for pilot information.
