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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. 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.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

749Serial Communication Error during Activation750Spindle Amplifier Not Activated (16i)PS0223Spindle Not Set for Control
Source: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters
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