ST600s | Err.39, what does this message mean, what can be done?

If the error message Err.39 appears on the display of the frequency inverter, it is a Z-pulse offline fault of the encoder.

Causes:

  • Z signal wires are not connected.

Solutions:

  • Check the wiring of the Z signal.

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

Tags: