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Serial Pulse Coder Communication Error (DTER)

Fanuc · Alpha i series AC Servo Motor

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A communication error (DTER) was detected for the serial pulse coder. This can be caused by physical damage to the signal cable, a defective pulse coder or servo amplifier module, or external electrical noise interference.

Häufige Ursachen

  • Discontinuity or damage in the serial pulse coder signal cable.
  • Defective serial pulse coder.
  • Defective servo amplifier module.
  • External electrical noise interfering with serial communication.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Check the continuity and integrity of the serial pulse coder signal cable.

  2. 2

    If the cable is verified as normal, replace the pulse coder or the servo amplifier module.

  3. 3

    Implement noise reduction measures as described in the 'Descriptions' chapter on noise.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc Alpha i series AC Servo Motor