Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL
SM-6800C Rev. 2.5 September 2000 7-i
CHAPTER 7 CONTENTS
7. SYSTEM TROUBLESHOOTING AND RECOVERY ............................................ 7-1
7.1 ISOLATING THE MALFUNCTION...................................................................................................... 7-1
7.2 RESTORING THE SYSTEM TO NORMAL OPERATION................................................................ 7-2
7.2.1 Critical Errors .................................................................................................................................... 7-3
7.2.2 Warnings............................................................................................................................................ 7-3
7.2.3 Events ................................................................................................................................................ 7-3
7.2.4 Analyzing the System Error and Event Logs ..................................................................................... 7-3
7.3 Troubleshooting Serial Communication Link Problems........................................................................ 7-4
7.3.1 Serial Link Status Indicator................................................................................................................ 7-4
7.3.2 System Event Log .............................................................................................................................. 7-5
7.3.3 Serial Link Communication Statistics Display................................................................................... 7-6
7.3.4 Serial Link Protocol Monitor............................................................................................................. 7-6
7.4 RESTORING THE SYSTEM TO NORMAL OPERATION................................................................ 7-7
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