Troubleshooting steps
Check network connections, verify device communication, reset network
HMI Error Codes
Allen-Bradley E42 – Communication fault
Communication fault
Details
Allen-Bradley E42 error on PanelView 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
Allen-BradleyE42
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What does E42 mean on Allen-Bradley PanelView?
E42 on Allen-Bradley PanelView indicates communication fault. Network communication error, device communication failure.
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