Rockwell Automation 1752-L24BBBE SmartGuard 600 Controllers Installation User Manual
Page 19

SmartGuard 600 Controllers 19
Publication 1752-IN001C-EN-P - January 2009
3. Contact Rockwell Automation.
If your Module Status indicator is flashing red, follow these steps.
1. Configure the switches properly.
2. Reset the configuration data.
If your Module Status indicator is solid red (on), follow these steps.
1. Cycle the power supply.
2. Check external wiring.
3. Take corrective actions for noise.
4. Contact Rockwell Automation.
If your Module Staus indicator is flashing red and green, follow these steps.
1. Configure the switches properly.
2. Set the safety network number.
3. Reconfigure the device.
DeviceNet Network Status (NS D) Indicator Descriptions
If the DeviceNet
Network Status
(NS D) indicator is
It means
Take this action
Off
The controller is not online or may not
have power from the DeviceNet
network.
Refer to the corrective action following this
table.
Green, on
The controller is online; connections
are established.
No action required.
Green, flashing
The controller is online; no
connections are established.
Red, on
Communication failure due to
duplicate MAC ID (error code F0) or
Bus OFF (error code F1).
Refer to the corrective action following this
table
Red, flashing
Communication timeout.
Red/green flashing
The Safety Network Number (SNN) is
being set.
No action required.