Siemens F7459 fault code meaning
Siemens / F7459
Series: V90
Zero pulse not present
servo drive
Meaning: After leaving the reference cam, the axis traveled the maximum permissible distance between the reference cam and the pulse (p2609) without finding the zero pulse. See: p2609 (EPOS Reference point search: Maximum travel distance between reference cam and zero mark).
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P375