0x0006

Unknown Event Type

ABB · ACS880

What does 0x0006 mean?

The event system received a request to handle an event with an 'EventType' that it does not recognize. This is similar to 0x0003 but specifically indicates the system cannot categorize the event based on the provided type, leading to an unregistered event.

Common Causes

  • The event system received an 'EventType' that is not recognized by the drive controller's firmware (e.g., a value other than 1, 2, or 8).
  • A third-party software or a custom communication protocol is attempting to send an event type that the drive's event handler cannot categorize.
  • An internal firmware issue where the event handling module fails to correctly interpret the 'EventType' parameter of an incoming event request.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Verify the 'EventType' value being sent to the drive's event system from the PLC or HMI is one of the officially supported values (1=Fault, 2=Warning, 8=Pure).

  2. 2

    2. Use a communication debugger to capture the event command packets and confirm the 'EventType' field contains the expected byte value.

  3. 3

    3. Ensure all connected control systems and HMIs are configured to use the correct event type enumerations specified by the drive manufacturer.

  4. 4

    4. If a custom event type is being attempted, confirm with the manufacturer if such types are supported and how they should be encoded.

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Verified technical data. Last updated: March 2026

Related Faults

ABB Error 0x0006: Unknown Event Type — Troubleshooting Guide | ErrorLib