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ILF1

Internal Link Fault 1

Schneider Electric · Altivar Machine ATV320 Variable Speed Drive

Was bedeutet ILF1 ?

Indicates a communication interruption between option card 1 and the drive. This fault code is read-only and persists until the drive is disconnected and reconnected to power. It implies that the functionality of option card 1 is unavailable, potentially impacting external communications or I/O.

Häufige Ursachen

  • A specific internal communication path (Link 1) has failed.
  • Defective internal wiring or termination at the connector.
  • Interference on the internal communication bus.
  • Failure of a connected slave device on Link 1.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Ensure option card 1 is properly seated and secured in its slot.

  2. 2

    Inspect the connectors on both the option card and the drive for any physical damage.

  3. 3

    Power cycle the drive to attempt a reset and re-establish internal communication.

  4. 4

    If possible, try swapping option card 1 with a known good card to isolate the issue.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Schneider Electric Altivar Machine ATV320 Variable Speed Drive