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
Check intermediate circuit cabling for continuity and proper connections.
- 2
Reinitialize the drive bus: Power Off / Power On.
- 3
Check KSP module for faults related to charging.
- 4
Check KPP module for faults related to charging.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka KR C4 extended