Siemens 171 fault code meaning
Siemens / 171
Series: SIMODRIVE 611U
Coupling not possible
servo drive
Meaning: While the drive was executing a traversing program, the ”Active coupling” input signal was set.
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3