Rockwell Automation 1769-L31 CompactLogix Controller Installation Instructions - 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.