
101 Publication 1794-UM001G-EN-P - January 2007
Appendix
A
FlexLogix System Status Indicators
Controller LEDs
The table below describes the controller LEDs present on all
FlexLogix controllers.
If this indicator: is in this condition: It means:
RUN off The controller is in Program or Test mode.
steady green The controller is in Run mode.
FORCE off No tags contain I/O force values.
I/O forces are inactive (disabled).
steady 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.
steady 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).
steady 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.
OK off No power is applied.
flashing red One of the following:
• The controller requires a firmware update.
• A major recoverable fault occurred on the controller. To clear the fault:
1. Turn the controller keyswitch from PROG to RUN to PROG.
2. Go online with RSLogix 5000.
steady red The controller detected a non-recoverable major fault, so it cleared the project from
memory. To recover:
1. Cycle power to the chassis.
2. Download the project.
3. Change to Run mode.
If the OK LED remains steady red, contact your Rockwell Automation representative or
local distributor.
steady green Controller is OK.
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