2
nd
Edition - Rev 0
SUPPLEMENT SG-1
CHAPTER 34 - NAVIGATION
Page 13
TROUBLESHOOTING
This section describes how to troubleshoot the system to isolate a problem to a
faulty LRU. The following troubleshooting methods are included:
• LRU Failure Annunciations (Red X)
• LRU Failure Indication on the System Status Page (Normal Mode)
• Data Path Indication on the System Status Page (Configuration Mode)
• ARINC 429 and RS 232 Port Configuration Pages Data Status Indications
• Fault Messages
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