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Drive Ready Signal (DRDY) Lost

Fanuc · Alpha i series AC Servo Motor

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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.

Häufige Ursachen

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

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Cycle power to the servo amplifier.

  2. 2

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

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc Alpha i series AC Servo Motor