Rockwell Automation Publication 1756-UM001M-EN-P - February 2012 209
Status Indicators Appendix A
RUN Indicator
To change the controller mode indicated by the RUN indicator, either use the
mode switch on the front of the controller or use the Controller Status menu in
RSLogix 5000 software.
I/O Indicator
The I/O indicator shows the status of I/O modules in the controller’s project.
FORCE Indicator
The FORCE indicator shows if I/O forces are active or enabled.
Table 62 - RUN Indicator
State Description
Off The controller is either in Program or Test mode.
Steady green The controller is in Run mode.
Table 63 - I/O Indicator
State Description
Off Either of the following is true:
• There are no devices are in the I/O configuration of the controller. If needed, add the required
devices to the I/O configuration of the controller.
• The controller does not contain a project (controller memory is empty). If prepared, download
the project to the controller.
Solid green The controller is communicating with all of the devices in its I/O configuration.
Flashing green One or more devices in the I/O configuration of the controller are not responding. For more
information, go online with RSLogix 5000 software to check the I/O configuration of the
controller.
Flashing red A chassis fault exists. Troubleshoot the chassis and replace it if necessary.
Table 64 - FORCE Indicator
State Description
Off Either of the following is true:
• No tags contain I/O force values.
• I/O forces are inactive (disabled).
Steady amber I/O forces are active (enabled) though I/O force values may or may not be configured.
Use caution if you install (add) a force. If you install (add) a force, it immediately takes
effect.
Flashing amber One or more input or output addresses have been forced to an On or Off state, but the forces have not
been enabled.
Use caution if you enable I/O forces. If you enable I/O forces, all existing I/O forces also
take effect.
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