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SP0970

Spindle Control Initialization Not Terminated (15i)

Fanuc · AC Spindle Motor Alpha i-Beta i Series Parameters

What does SP0970 mean?

Spindle control initialization for Series 15i was not terminated. This indicates that the spindle system did not complete its startup sequence successfully.

Common Causes

  • The spindle control initialization process did not complete successfully.
  • A critical parameter for spindle control was not set during initialization.
  • The system failed to verify the readiness of the spindle drive.
  • An internal error during the spindle power-up sequence.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure parameter P1-01 is set to the correct spindle number.

  2. 2

    Verify that the spindle drive power is correctly applied (terminal R/S/T for main power).

  3. 3

    Check the spindle amplifier's status code for any initialization-related faults.

  4. 4

    Execute the spindle initialization sequence again, observing all intermediate steps.

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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