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9.

Inverter: IPM alarm (OH) (M axis)

Fanuc · Series 30i CNC

¿Qué significa 9. ?

An Intelligent Power Module (IPM) overheat alarm has occurred for the M-axis. This indicates the IPM for the M-axis is operating at an excessively high temperature. This typically results from the motor being used under harsh conditions (e.g., heavy load) or a high ambient temperature around the SVM.

Causas comunes

  • The motor is being used under a harsh condition.
  • The ambient temperature is high.
  • SVM failure.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify the motor load for the M-axis is within its rated specifications.

  2. 2

    Measure the ambient temperature around the SVM.

  3. 3

    Verify adequate airflow to the SVM's heat sink and cooling components for the M-axis.

Ver todos los códigos en este manual (20)
Datos técnicos verificados. Última actualización: March 2026

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