System Manager interface invalid

System Manager interface invalid

Kuka · KR C4 DeviceNet

What does System Manager interface invalid mean?

This is a system error indicating an invalid System Manager interface, affecting the DeviceNet master configuration (Message 4429). The system's management interface is not properly initialized or configured.

Repair Steps

  1. 1

    Reboot the system with a cold start.

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Verified technical data. Last updated: March 2026
Source: Kuka KR C4 DeviceNet
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