ST300 Series | E18, what does this message mean, and what can be done?

If the error message E18 appears on the frequency converter display, it indicates a Modbus communication error.

Causes:
Baud rate not correctly set.
Error in the communication line.
Incorrect communication address.
Communication is affected by strong interference.

Solutions:
Set the correct baud rate in P14.01.
Check the wiring of the communication interfaces.
Set the correct communication address in P14.00.
Replace or modify the wiring to improve interference suppression. Use shielded cables and route them as far as possible from mains and motor cables.

If none of these causes apply, please contact technical support.

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