Err21 fault in Emotron VS Series Drive

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Err21 fault indicates Parameter upload fault. This means an error occurred while trying to copy or upload parameters from the inverter to an external parameter copy card. Possible Causes: 1: Is not installed or is not plugged parameter copy card. 2: Parameter copy card abnormalities. 3: The control board abnormalities. Solutions: 1: A copy of the card is properly installed parameters. 2: Contact for technical support.

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