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Stll Prev STP

Stall prevention

Mitsubishi Electric · FR-E500 Inverter

¿Qué significa Stll Prev STP ?

The running frequency has fallen to 0 due to the activation of the stall prevention function (Overload during stall prevention). This occurs when the motor is under an overload condition, causing the inverter to reduce frequency to prevent tripping.

Causas comunes

  • Motor is operating under a continuous overload condition, exceeding its rated torque.
  • Mechanical binding or excessive friction in the driven equipment, leading to increased motor torque requirements.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Reduce the mechanical load weight or process demand on the motor.

  2. 2

    Verify that the motor is sized appropriately for the application's torque requirements.

  3. 3

    Check mechanical components for proper lubrication and alignment to reduce friction.

Ver todos los códigos en este manual (17)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Mitsubishi Electric FR-E500 Inverter