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A.
Inverter: IPM alarm (OH) (N axis)
Fanuc · Series 30i CNC
¿Qué significa A. ?
An Intelligent Power Module (IPM) overheat alarm has occurred for the N-axis. This indicates the IPM for the N-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
Verify the motor load for the N-axis is within its rated specifications.
- 2
Measure the ambient temperature around the SVM.
- 3
Verify adequate airflow to the SVM's heat sink and cooling components for the N-axis.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc Series 30i CNC