Siemens 745 fault code meaning
Siemens / 745
Series: SIMODRIVE 611U
New EnDat encoder
servo drive
Meaning: For a direct measuring system with EnDat it was identified that the serial number does not correspond with that saved -i.e. the serial number of the encoder has still not been saved.
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3