26046
Mains phase failure, KPP/KSP (axis)
Kuka · KR C4 Operating Instructions
What does 26046 mean?
One or more mains phases supplying the KPP/KSP device have failed. This suggests an issue with the incoming AC power supply to the drive, potentially leading to incorrect operation or shutdown.
Repair Steps
- 1
Check the power lead connected to the KPP for disconnections or physical damage.
- 2
Inspect the KPP cabling for loose or damaged connections to the mains supply terminals.
- 3
Reinitialize the drive bus by performing a Power Off / Power On cycle of the entire system.
- 4
Check the KPP module itself for internal faults if mains supply is verified correct.
Verified technical data. Last updated: March 2026
Source: Kuka KR C4 Operating Instructions