Siemens 868 fault code meaning
Siemens / 868
Series: SIMODRIVE 611U
Regenerative operation
servo drive
Meaning: The input value for the shutdown threshold, regenerative operation (P1633) is greater than (or equal to) the response threshold, DC link voltage (P1630).
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3