1 Publication 2711P-UM001B-EN-P
Chapter
8
Troubleshooting and Maintenance
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 status messages
• system identification errors
• entering configuration mode during startup
• startup problems
• restarting in safe mode
• cleaning the display window
LED Indicators
The PanelView Plus terminals have two LED indicators on the side of
unit to isolate operating problems:
• COMM indicator (green) for communications
• FAULT indicator (red) for hardware faults
•
COMM and Fault LEDs
AB Drives
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