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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
Reduce the mechanical load on the motor to bring its operating current within safe limits.
- 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.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Allen-Bradley PowerFlex 4 Adjustable Frequency