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P3.3V

+3.3V Power Supply Fault

Fanuc · R-30iB Mate + Mate Plus Robot

Was bedeutet 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.

Häufige Ursachen

  • 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.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Replace the servo amplifier.

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

Verwandte Fehlercodes

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