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F7

Motor Overload

Allen-Bradley · PowerFlex 4 Adjustable Frequency

¿Qué significa F7 ?

This fault indicates an excessive motor load condition, where the motor's operating current has exceeded the thermal overload limit set by parameter P033 [Motor OLCurrent] for a sustained period. This protects the motor from overheating and damage.

Causas comunes

  • Motor is drawing excessive current, indicating overload.
  • Motor torque exceeding its rated capacity.
  • Mechanical binding or excessive friction in the driven system.
  • Motor current limit reached (P1-50).

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Reduce the mechanical load on the motor to bring its operating current within safe limits.

  2. 2

    Verify parameter P033 [Motor OLCurrent] is correctly set to the motor's nameplate full load amperage (FLA) or the maximum allowable motor current, not exceeding DriveRated Amps * 2.

Ver todos los códigos en este manual (24)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Allen-Bradley PowerFlex 4 Adjustable Frequency