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
Reboot the system with a cold start.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka KR C4 DeviceNet