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0687

Feed-Forward Coefficient Overflow

Fanuc · Alpha i Series Servo Amplifier

Was bedeutet 0687 ?

This invalid parameter setting alarm indicates that the internal calculation value of the feed-forward coefficient has overflowed. This suggests the coefficient setting is too high or requires a different calculation method to accommodate the value.

Häufige Ursachen

  • Feed-forward coefficient calculation has overflowed.
  • Inaccurate motor model used for feed-forward control.
  • Feed-forward compensation parameter (P04-16) is too high.
  • System is overreacting to expected torque demands.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Utilize the position gain expansion function to handle the feed-forward coefficient calculation.

Alle Codes in diesem Handbuch durchsuchen (101)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: Fanuc Alpha i Series Servo Amplifier
Fanuc 0687 — Behebung: Feed-Forward Coefficient Overflow | ErrorLib