Rockwell Automation Publication 2080-UM002N-EN-E - November 2022 315
Appendix D Troubleshooting
Controller Error Recovery
Model
Use the following error recovery model to help you diagnose software and hardware problems
in the micro controller. The model provides common questions you might ask to help
troubleshoot your system. See the recommended pages within the model for further help.
Controller Error Recovery Model
Diagnose fault in Connected Components
Workbench software and see page 309
for
probable cause and recommended action.
Clear the fault.
Correct the condition
causing the fault.
Check the Fault LED.
Flashing red = Recoverable
Solid red = Non-recoverable
Test and verify
system operation.
Is fault recoverable?
Is the
Power LED
on?
Check the wiring.
Power cycle the controller.
Start
No
No
Yes
Yes
End
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