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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