ST600 | Err.71, what does this message mean and what can be done?

If the error message Err.71 appears on the inverter display, it indicates overheating detected by a PT100 sensor connected to the extension card.

Causes:

• The PT100 temperature sensor is inaccurate or not calibrated.
• Device or ambient temperature is too high.

Solutions:

• Check parameter settings P28.10 and P28.17-P28.27.
• Reduce the device or ambient temperature.

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

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