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SRVO-071
Abnormally High Feedback Speed
Fanuc · R-30iB Mate + Mate Plus Robot
¿Qué significa SRVO-071 ?
The feedback speed reported by the motor's Pulsecoder is abnormally high, exceeding expected operational limits. If this alarm occurs concurrently with the SRVO-064 (PHAL alarm), SRVO-064 is considered the primary cause.
Causas comunes
- Axis moving at an unexpectedly high speed indicated by the pulsecoder feedback.
- External force causing rapid unintended axis movement.
- Incorrect servo motor command or velocity loop tuning.
- Pulsecoder generating erroneous high-speed feedback due to internal fault.
- Mechanical resonance causing rapid oscillation of the axis.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Ensure the robot connection cable (RMP1, RP1) connector (CRF8) on the 6-Axis servo amplifier and the connector on the motor side are tightly connected.
- 2
Check that the shielding of the robot connection cable (RMP1, RP1) is securely grounded in the cabinet.
- 3
Replace the Pulsecoder.
- 4
Replace the servo amplifier.
- 5
Replace the robot connection cable (RMP1, RP1, RM1).
- 6
Replace the internal cable of the robot (for the Pulsecoder, or for the Motor).
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc R-30iB Mate + Mate Plus Robot