106 Rockwell Automation Publication 2080-UM004C-EN-E - March 2015
Appendix C        Error Codes
Calling Rockwell 
Automation for Assistance
If you need to contact Rockwell Automation or local distributor for assistance, it 
is helpful to obtain the following (prior to calling):
• controller type, series letter, revision letter, and firmware (FRN) number of 
the controller
• controller indicator status