1 Publication 2711P-UM001D-EN-P - September 2005
Chapter
8
Troubleshooting
Chapter Objectives
This chapter provides information on how to isolate and correct
common operating problems with system components.
• LED indicators
• General troubleshooting
• Troubleshooting components (display, touch screen, keypad,
attached keyboard or mouse)
• Ethernet
• Advanced troubleshooting
• Startup error messages
• Startup information messages
• Startup sequence
• System identification errors
• Startup problems
• Entering configuration mode
• Restarting in safe mode
• Cleaning the display window
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 LEDs
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