ST600 | Err.72, what does this message mean and what can be done?

If the error message Err.72 appears on the inverter display, it indicates a timeout in communication with the EtherNetIP card.

Causes:

• No data transmission between the communication card and the host computer (or PLC).

Solutions:

• Check if the communication card’s cable is loose or not connected.

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

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