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SRVO-251

Servo Amplifier Internal DB Relay Abnormal

Fanuc · R-30iB Mate + Mate Plus Robot

Was bedeutet SRVO-251 ?

An abnormality has been detected in the internal DB (Dynamic Braking) relay of the servo amplifier. This indicates a fault within the amplifier's internal circuitry responsible for dynamic braking.

Häufige Ursachen

  • Internal dynamic braking (DB) relay in the servo amplifier has malfunctioned.
  • Overheating of the servo amplifier causing DB relay protection to activate.
  • Short circuit within the servo amplifier's braking resistor circuit.
  • Power surge or voltage anomaly stressing the DB relay.
  • Mechanical failure of the DB relay contacts.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Replace the servo amplifier.

  2. 2

    Replace the E-stop unit.

Alle Codes in diesem Handbuch durchsuchen (53)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc R-30iB Mate + Mate Plus Robot