Installation Manual

Lynx NGT-9000
Installation Manual
0040-17001-01 (Revision W) Maintenance Page 4-4
Table 4-1: Troubleshooting 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 MPC (MAT) fault log.
4. Contact ACSS Field Service before removal of unit.
The unit has manual
brightness adjustment only.
Note: It may take several
seconds for the display to fully
dim after covering the ambient
light sensor. This is normal
operation.
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 MPC (MAT) fault log.
4. Contact ACSS 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
paragraph 4.3.1.
2. Contact ACSS Field Service before removal of unit.
• No communication between
NGT-9000 and MAT tool.
• Panel Mount Display is NOT
blank
All
1. Check Device Manager and look for NGT-9000 on USB
port.
2. If Device Manager shows no USB connection of NGT-
9000, troubleshoot USB cable. Check laptop for ability
to connect USB to other device (printer, etc.).
3. If Device Manager shows USB connection to a generic
device, right click on this connection and load Zadig
driver for this connection.
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 MPC (MAT) fault log.
5. Contact ACSS Field Service before removal of unit.
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).
2. Contact ACSS Field Service before removal of unit.