User manual

Publication 1768-UM001C-EN-P - November 2007
118 Status Indicators
MEM
SAVE
Off The user program and configuration
data are not actively being saved to
flash memory.
Normal Operation - No action is required.
Green The user program and configuration
data are being saved to flash memory.
I/O Off • 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 of the devices in its I/O
configuration.
I/O Flashing
green
One or more devices in the controller’s
I/O configuration are not responding.
To determine why a device may not be responding, perform this
procedure.
1. Verify that all I/O modules in your project are installed in the
same order.
2. Verify that all devices have been updated to the latest major
and minor firmware revisions.
3. Use RSLogix 5000 programming software Online help to
determine which I/O module is not responding.
Flashing red The controller is not communicating
with any of the devices in its I/O
configuration.
OK Off • No power is applied.
• If MEM SAVE is green, the user
program and configuration data are
being saved to flash memory.
Normal Operation - No action is required.
Flashing red The controller requires a firmware
update.
1. Download the latest firmware from
http://support.rockwellautomation.com
.
2. To install the latest firmware, either
• use the ControlFlash utility.
• use AutoFlash.
• use your CompactFlash card.
For additional information, see the CompactLogix Controllers
Installation Guide, publication 1768-IN004
.
A major recoverable fault occurred on
the controller.
To clear the fault, perform this procedure.
1. Turn the controller keyswitch from PROG to RUN to PROG.
2. Go online with RSLogix 5000 programming software.
CompactLogix Controller Status Indicators
Indicator Condition Interpretation Recommended Actions