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
Ensure parameter P1-01 is set to the correct spindle number.
- 2
Verify that the spindle drive power is correctly applied (terminal R/S/T for main power).
- 3
Check the spindle amplifier's status code for any initialization-related faults.
- 4
Execute the spindle initialization sequence again, observing all intermediate steps.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters