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SP9072
MISMATCH RESULT OF MOTOR SPEED CHECK
Fanuc · Alpha i Series Servo Amplifier
¿Qué significa 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.
Causas comunes
- 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.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Replace the SPM control printed-circuit board.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc Alpha i Series Servo Amplifier