User Manual

Rockwell Automation Publication 1752-UM001E-EN-P - June 2014 195
Appendix B
Status Indicators
Introduction
Module Status Indicators
Use these tables to interpret the color of the status indicators and take
recommended actions where applicable.
If your Module Status indicator is off, follow these steps.
1. Cycle the power supply.
2. Take corrective actions for noise.
3. Contact Rockwell Automation.
If you Module Status indicator is flashing red, follow these steps.
1. Configure the switches properly.
2. Reset the configuration data.
Topic Page
Module Status Indicators 195
Identifying Errors Using Module Status Indicators and Alphanumeric Display 199
Identifying EtherNet/IP Errors Using Status Indicators and Alphanumeric Display 202
ATTENTION: Status indicators are not reliable indicators for safety functions.
They should be used only for general diagnostics during commissioning and
troubleshooting. Do not use status indicators as operational indicators.
If the Module Status (MS) indicator is It means Take this action
Off No power. Refer to the corrective action following this table.
Green, on The controller is operating in Run mode and under normal
conditions.
No action required.
Green, flashing The controller is idle.
Red, flashing A recoverable fault exists. Refer to the corrective action following this table.
Red, on An unrecoverable fault exists.
Red/green flashing Self-test in progress. Or, the controller’s configuration is
being downloaded or is incomplete or incorrect. For
example, the network ID (UNID) is not set.