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31
IGBT temperature (hardware)
Vacon · NX Liquid-Cooled Drive
¿Qué significa 31 ?
The IGBT Inverter Bridge overtemperature protection circuit has detected an excessively high short-term overload current, leading to a hardware-level temperature fault.
Causas comunes
- IGBT temperature sensor failure (hardware fault).
- Overheating detected on the IGBT module.
- IGBT temperature exceeding critical threshold (P1-20).
- Poor heatsink contact or insufficient cooling.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Evaluate the actual motor loading and compare it against the drive's continuous and overload current ratings.
- 2
Verify the motor size and nominal current rating are appropriate for the drive's specified output capacity.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Vacon NX Liquid-Cooled Drive