Rockwell Automation 56AMXN ControlLogix/AutoMax/Communication/Module - Manual (Page 14)

14 DCSNet/RE RIO Module
Publication 56AMXN-IN002A-EN-P November 2002
Check Power Supply and Module Status
The rack power supply indicator should be green.
The module OK LED should be solid red, then solid green.
The alphanumeric display shows the following messages at powerup.
Alphanumeric Status Display Powerup Messages
B#nn
Boot
Stages in the startup processes
56AMXN Ver
1.xx.xx Module firmware version
Troubleshooting the Power Supply
If the alphanumeric indicator on the 56AMXN/B module does not cycle through
these messages on powerup, refer to the following table and to the Troubleshooting
section that follows.
Power Supply Indicator
If the POWER
indicator is: Power Supply Status is Recommended Action:
Off Not operating Turn power switch ON.
Check power wiring
connections.
Check fuse.
On Operating None, normal operation.