Siemens PLC

6503 – Communication error

PROFINET communication error

Details

Communication fault detected on PROFINET network.

Error typeerror
MeaningPROFINET error
Typical causesNetwork cable disconnected IP address conflict switch failure network congestion
SolutionsCheck cable connections verify IP addresses restart network components check switch status
Severityhigh

Catalog references

Vendor Information

Siemens6503

Utilities

Troubleshooting Steps

Troubleshooting steps

Check cable connections verify IP addresses restart network components check switch status

Other codes

Other Siemens PLC Codes

80A0 – Memory error

Memory allocation error

→

80A1 – Memory error

Memory error in retentive data area

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80A2 – Memory error

Memory error in work memory

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80A3 – Memory error

Memory error in load memory

→

80A4 – Memory error

Memory card error

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FAQ

Common questions

Is the network down?

Not necessarily. Check physical connections and network configuration first.