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P3.3V
+3.3V Power Supply Fault
Fanuc · R-30iB Mate + Mate Plus Robot
¿Qué significa P3.3V ?
The P3.3V (Green) LED indicates that the internal power supply circuit of the servo amplifier is normally outputting +3.3 V. If this LED does not light, it signifies a failure in the +3.3V power supply within the servo amplifier, which is critical for its internal logic.
Causas comunes
- Internal +3.3V power supply within the servo controller or related module has failed.
- Short circuit on a +3.3V power line.
- Overload condition on the +3.3V power rail.
- Faulty voltage regulator for the +3.3V supply.
- Component failure on the power supply board.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Replace the servo amplifier.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc R-30iB Mate + Mate Plus Robot