Siemens 512 fault code meaning

Series: SIMODRIVE 611U

Measuring circuit error (direct measuring system)

servo drive

Meaning: The encoder signal level is too low, faulted (incorrect shielding), or the cable breakage monitoring function has responded.

Possible causes

Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3