26131

Intermediate circuit charging failed, KPP/KSP (axis)

Kuka · KR C4 extended

What does 26131 mean?

This fault indicates that the intermediate DC link circuit failed to charge properly during power-up or initialization. This prevents the drive from starting or operating, pointing to a fundamental issue in the power supply path or the charging components.

Common Causes

  • Faulty intermediate circuit cabling.
  • Malfunction in the KSP module's charging circuit.
  • Malfunction in the KPP module's charging circuit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check intermediate circuit cabling for continuity and proper connections.

  2. 2

    Reinitialize the drive bus: Power Off / Power On.

  3. 3

    Check KSP module for faults related to charging.

  4. 4

    Check KPP module for faults related to charging.

Browse all codes in this manual (35)
Verified technical data. Last updated: March 2026

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