Rockwell Automation 1756-Lx_Mx ControlLogix Controller and Memory Board Installation Instructions - Manual (Page 36)

36 ControlLogix Controller and Memory Board
Publication 1756-IN101L-EN-P - June 2008
Interpreting the Status Indicators
The following table describes the status indicators.
Indicator Status Description
RUN Off The controller is in Program or Test mode. See Choosing the
Operating Mode of the Controllers .
Solid
green The controller is in Run mode. See Choosing the Operating Mode
of the Controllers .
I/O Off •If no devices are in the I/O configuration of the controller,
add the required devices to the I/O configuration of the
controller.
•If the controller does not contain a project (controller
memory is empty), download the project to the controller.
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. Go online with RSLogix 5000 software and
check the I/O configuration of the controller.
Flashing
red The chassis is bad. Replace the chassis.
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.
• 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.