ST600s | Err.66, what does this message mean, what can be done?

If the error message Err.66 appears on the frequency inverter display, this is due to a timeout during communication with the EtherCat card.

Causes:

• There is no data transfer between the communication card and the host computer (or PLC).

Solutions:

• Check if the wiring of the communication card is loose or missing.

If none of these error sources apply, please contact technical support.

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