Installation Manual

Table Of Contents
Lynx NGT-9000
Installation Manual
0040-17001-01 (Revision W) Maintenance Page 4-16
Table 4-2: System Status Messages
SYMPTOM CAUSE/CORRECTIVE ACTIONS
GPS External Fail
The message is seen due to the following failure(s):
GPS Antenna/Cable
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. If the problem continues, check the GPS antenna or
cables for possible errors.
3. If the problem continues, replacement of the GPS
antenna may be required. Contact ACSS Field Service
before removal.
GPS Fail *
The message is seen due to the following failure(s):
GPS Sensor
Bus Monitor
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 ACSS Field Service before removal.
Lightning External Degraded
The message is seen if heading data is no longer being
received.
1. Try clearing the failure performing a warm startup by
tapping the Restart button.
2. Try restarting the heading source.
3. Check the heading source for installation issues or
failures.
4. If using the WX-500 as the heading source, check the
configuration settings on the WX-500. The MPC (MAT)
may be used to view (Procedure in Installation Checkout
section).
5. If the problem continues, replacement of the unit may be
required. Contact ACSS Field Service before removal.
Lightning External Fail
The message is seen due to the failure of the WX-500
Stormscope or missing data.
1. Restart the WX-500 LRU.
2. Check the Stormscope antenna or cables for installation
issues or failures. Refer to the WX-500 Installation
Manual for more details. Fault data can be viewed using
the MPC (MAT).
3. Check the configuration settings on the WX-500. The
MPC (MAT) may be used to view (Procedure in
Installation Checkout section).
4. If the problem continues, Contact ACSS Field Service
before removal.
Map DB Fail
Map Database (72DC) compatibility failure.
1. Try clearing the failure performing a warm startup by
tapping the Restart button or cycling power.
2. Reload the map database using the MPC (MAT).
3. If the problem continues. Contact ACSS Field Service.