Controller status indicators – Rockwell Automation 1769-L31 CompactLogix Controller Installation Instructions User Manual
Page 25
1769-L31 CompactLogix Controller 25
Publication
1769-IN069C-EN-P - May 2008
Controller Status Indicators
Indicator
Status
Description
RUN
Off
The controller is in Program or Test mode.
Solid green
The controller is in RUN mode.
FORCE
Off
No tags contain I/O force values.
I/O forces are inactive (disabled).
Solid amber
I/O forces are active (enabled).
I/O force values may or may not exist.
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.
BAT
Off
The battery supports memory.
Solid red
Either the battery is:
not installed.
95% discharged and should be replaced.
I/O
Off
Either:
there are no devices in the I/O configuration of the controller.
the controller does not contain a project (controller memory is
empty).
Solid green
The controller is communicating with all the devices in its I/O
configuration.
Flashing green
One or more devices in the I/O configuration of the controller are
not responding.
Flashing red
The controller is not communicating to any devices.
The controller is faulted.
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