Troubleshooting steps
Check network cables verify configuration check protocol settings test network devices
Siemens PLC
6571 – Communication error
Communication system error
Details
Communication error 6571. Check network connections and configuration.
Error typeerror
MeaningCommunication error
Typical causesNetwork cable fault configuration error protocol error device fault
SolutionsCheck network cables verify configuration check protocol settings test network devices
Severityhigh
Catalog references
Vendor Information
Siemens6571
Utilities
Troubleshooting Steps
Related
Related Siemens PLC Codes
FAQ
Common questions
How do I diagnose network issues?
Use network diagnostic tools in TIA Portal or check network switch status
Community
Discussion & Experiences
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