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Energy Supply Stop (ECM)

Fanuc · Alpha i Series AC Servo Motor and Spindle

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A potential difference across a capacitor module is more than 300V, indicating an energy supply issue or abnormal voltage condition.

Häufige Ursachen

  • Charging current exceeds the allowed limit.
  • Faulty charging circuit or power supply.
  • Capacitor bank is not charging efficiently.
  • Overcharging the capacitor module.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Measure the voltage across the capacitor modules to confirm it exceeds 300V.

  2. 2

    Check the input power supply to the ECM for stable operation.

  3. 3

    Verify the internal charging and discharge circuits of the ECM for proper voltage regulation.

Alle Codes in diesem Handbuch durchsuchen (29)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: Fanuc Alpha i Series AC Servo Motor and Spindle