1769-L32E, 1769-L35E CompactLogix Controller 31
Publication
1769-IN020D-EN-P - October 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.
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