User manual

Table Of Contents
205Publication 2711P-UM001G-EN-P - September 2007 205
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
Clean 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 Indicators