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SP9072

MISMATCH RESULT OF MOTOR SPEED CHECK

Fanuc · Alpha i Series Servo Amplifier

Was bedeutet SP9072 ?

The spindle detected a mismatch between the CNC result of the motor speed check and the spindle's own result. This indicates a discrepancy in speed monitoring data between the CNC and the spindle control, suggesting a potential fault in the SPM control printed-circuit board.

Häufige Ursachen

  • The calculated motor speed does not match the monitored actual speed.
  • Faulty tachometer or encoder providing incorrect speed feedback.
  • Discrepancy in speed calculation algorithms between two monitoring points.
  • High vibration or mechanical resonance affecting speed measurement.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Replace the SPM control printed-circuit board.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc Alpha i Series Servo Amplifier