209Publication 2711P-UM001I-EN-P - December 2008 209
Chapter
9
Troubleshoot the System
Chapter Objectives
This chapter provides information on how to isolate and correct
common operating problems with system components.
• LED indicators
• Isolate the problem
• Startup error messages
• Startup information messages
• Startup sequence
• Check terminal components
• Ethernet connection
• Application does not run
• File system errors
• System identification errors
• Configuration mode access
• Restart in safe mode
LED Indicators
The terminals have two LED indicators to isolate operating problems.
• COMM indicator (green) for communications
• FAULT indicator (red) for hardware faults
•
COMM and FAULT Indicators