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Abnormal Charge of Capacitor Module (ECM)

Fanuc · Alpha i Series AC Servo Motor and Spindle

Was bedeutet E ?

The Capacitor Modules are not charging as expected. This indicates a problem with the charging process or a fault within the capacitor modules preventing them from holding charge.

Häufige Ursachen

  • Abnormalities detected during the charging process of the capacitor module.
  • Faulty charging circuit or control logic within the ECM.
  • Capacitor module has developed internal shorts or leakage.
  • Inconsistent charging current or voltage readings from sensors.
  • Parameters related to capacitor charging (e.g., P5-xx) are incorrectly configured.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Check the power supply connections to the Capacitor Modules.

  2. 2

    Verify the functionality of the charging circuit within the ECM control module.

  3. 3

    Inspect the Capacitor Modules for physical damage or internal failure.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc Alpha i Series AC Servo Motor and Spindle