Siemens 162 fault code meaning
Siemens / 162
Series: SIMODRIVE 611U
No zero reference pulse present
servo drive
Meaning: After the reference cam has been left, the axis has moved through the distance in P0171 (max. distance between the reference cam/zero pulse), without finding a zero pulse. For distance-coded measuring system (from SW 8.3 onwards): The maximum permissible distance (clearance) between two reference marks was exceeded.
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3