Troubleshooting steps
Check network connections, verify device communication, reset network
HMI Error Codes
Siemens E30 – Communication fault
Communication fault
Details
Siemens E30 error on HMI indicates communication fault. Network communication error, device communication failure. Check network connections, verify device communication, reset network.
Error typecommunication
MeaningCommunication fault
Typical causesNetwork communication error, device communication failure
SolutionsCheck network connections, verify device communication, reset network
SeverityHigh
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Where this appears
SiemensE30
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What does E30 mean on Siemens HMI?
E30 on Siemens HMI indicates communication fault. Network communication error, device communication failure.
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