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SRVO-251
Servo Amplifier Internal DB Relay Abnormal
Fanuc · R-30iB Mate + Mate Plus Robot
¿Qué significa 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.
Causas comunes
- 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.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Replace the servo amplifier.
- 2
Replace the E-stop unit.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc R-30iB Mate + Mate Plus Robot