SP0201
Duplicate Motor Number Setting (15i)
Fanuc · AC Spindle Motor Alpha i-Beta i Series Parameters
What does SP0201 mean?
The same motor number (other than 0) is set more than once in parameter No. 5841 for Series 15i. This creates a conflict in spindle motor identification, which can lead to control issues.
Common Causes
- Duplicate motor number assigned in the system configuration (15i).
- Two motors programmed with the same identifier.
- Motor numbering conflict in the machine setup.
- Software error preventing unique motor identification.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check parameter 5841 (Motor number of each spindle) — ensure each connected spindle has a unique motor number, and it is not set to 0.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters