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5123

Option in slot A: Hardware incompatible with control board

Danfoss · VLT AutomationDrive FC 301/302

Was bedeutet 5123 ?

The hardware of the option card installed in slot A is incompatible with the control board hardware. This prevents proper integration and function of the option, requiring a compatible replacement.

Häufige Ursachen

  • Option card (e.g., fieldbus, I/O extension) is physically installed in slot A but has a different hardware revision or model that is not supported by the main control board.
  • Control board firmware is too old to recognize the newer option card, or the option card firmware is too old for the control board.
  • Incorrect drive model or series for which the option card was designed.
  • Physical damage to the option card or slot A connector preventing proper identification or communication.
  • Incorrect dip switch or jumper settings on the option card, causing it to report an incompatible configuration.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Identify the exact part number and revision of the option card installed in slot A.

  2. 2

    Consult the drive's compatibility matrix to verify the option card's compatibility with the control board's hardware and firmware versions.

  3. 3

    Replace the option card in slot A with a compatible model and revision.

  4. 4

    Ensure the option card is securely seated in slot A and inspect for any bent pins on the connector.

  5. 5

    Update the drive firmware to the latest version, as it may include expanded option card support.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: Danfoss VLT AutomationDrive FC 301/302