Module Status (Ms) Indicator - Rockwell Automation Allen-Bradley ControlNet 1734-ACNR User Manual

Table 8.5 1769-L32C and 1769-L35CR CompactLogix Controller Module Status Indicators
If The Module Status
(MS) Indicator Is
Off
Steady red
Flashing red
Steady green
Flashing green
Flashing red/green

Module Status (MS) indicator

This table describes the 1769-L32C and 1769-l35CR CompactLogix controller
module status indicators.
It Means
The controller has no power.
The controller is faulted.
A major fault has occurred on the controller.
A firmware update is in progress.
A node address switch change occurred. The
controller's node address switches may have been
changed since power-up.
The controller has invalid firmware.
The controller's node address duplicates that of
another device.
Connections are established.
No connections are established.
The controller is performing self-diagnostics.
Troubleshoot Your ControlNet Communication Modules
Take This Action
Apply power.
Make sure that the controller is properly installed.
1. Cycle power.
2. If the problem persists, replace the controller.
No action required (firmware update in progress.)
Change the node address switches back to the
original setting. The module will continue to operate
properly.
Update the controller firmware with the ControlFlash
Update utility.
1. Remove power.
2. Change the node address to a unique setting.
3. Reapply power.
None
Establish connections, if necessary.
Wait briefly to see if problem corrects itself.
If problem persists, check the host. If the
daughtercard cannot communicate with the host, the
card may remain in self-test mode.
Publication CNET-UM001C-EN-P - November 2005
8-13