ST600 | Err.66 – What does this error message mean, and what can be done?

If the error message Err.66 appears on the display of the frequency inverter, it indicates a timeout error in communication with the EtherCAT card.

Causes:

• No data transmission is occurring between the communication card and the host system (e.g. PLC).

Solutions:

• Check whether the wiring to the communication card is loose or disconnected.

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

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