ST600s | Err.23, what does this message mean, what can be done?

If the error message Err.23 appears on the display of the frequency inverter, it is an error on the brake unit.

Causes:

• Fault in the brake circuit or damaged brake line.
• The resistance value of the external braking resistor is too small.

Solutions:

• Check the brake unit, replace it with new brake hoses.
• Increase the braking resistor value.

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

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