Traduciendo...
401

Drive Ready Signal (DRDY) Lost

Fanuc · Alpha i series AC Servo Motor

¿Qué significa 401 ?

The DRDY (Drive Ready) signal has transitioned to 0, indicating that the servo amplifier is not in a ready state. This often occurs during initial power-up or after a fault, preventing motor operation.

Causas comunes

  • Servo amplifier internal readiness conditions not met.
  • Initial power-up sequence not completed or interrupted.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Cycle power to the servo amplifier.

  2. 2

    Verify power supply stability and input voltage levels for the servo amplifier.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Alpha i series AC Servo Motor