Siemens 125 fault code meaning
Siemens / 125
Series: SIMODRIVE 611U
Falling edge of reference cam not detected
servo drive
Meaning: When moving away from the reference cams, the traversing range limit was reached, as the 1/0 edge of the reference cam was not identified.
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3