Rockwell-automation 1763 MicroLogix 1100 Programmable Controllers User Manual de usuario Pagina 187

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185 Publication 1763-UM001D-EN-P - March 2011
Appendix
C
Troubleshooting Your System
This chapter describes how to troubleshoot your controller. Topics include:
understanding the controller status indicators
controller error recovery model
analog expansion I/O diagnostics and troubleshooting
calling Rockwell Automation for assistance
Understanding the
Controller Indicator Status
The MicroLogix 1100 provides three groups of status indicators:
the status LEDs on the top of the controller,
the status indicators on the LCD
the I/O status indicators on the LCD.
Together they provide a mechanism to determine the current status of the
controller if a programming device is not present or available.
Controller Status LED Indicators
Controller LED Location
Controller LED Indicators
LED Color Indicates
POWER off No input power, or power error condition
green Power on
RUN off Not executing the user program
green Executing the user program in run mode
green flashing Memory module transfer occurring
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