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401

Drive Ready Signal (DRDY) Lost

Fanuc · Alpha i series AC Servo Motor

Hva betyr 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.

Vanlige årsaker

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

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Cycle power to the servo amplifier.

  2. 2

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

Se alle koder i denne manualen (60)
Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

Kilde: Fanuc Alpha i series AC Servo Motor