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ErrorLib — Industrial Fault Code Library

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Invalid ECatWrapper interface

Invalid ECatWrapper interface

Kuka · KR C4 DeviceNet

What does Invalid ECatWrapper interface mean?

This is a system error indicating an issue with the ECatWrapper interface, leading to DeviceNet master configuration problems (Message 4429). This implies a fundamental software component is not functioning correctly.

Common Causes

  • The ECatWrapper interface, used for EtherCAT communication, is invalid or uninitialized.
  • Improper configuration of the EtherCAT master or slave.
  • Hardware failure of the EtherCAT communication module.
  • Software error in the ECatWrapper library or its integration.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reboot the system with a cold start.

Browse all codes in this manual (12)
Verified technical data. Last updated: April 2026

Related Faults

Error opening 'ecatms_sys_X44_swap.xml' FileError opening 'ecatms_sys_X44_swap.xml'IODataCreate() ErrorIODataCreate() ErrorSystem Manager interface invalidSystem Manager interface invalid
Source: Kuka KR C4 DeviceNet
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