Undervoltage PMx
KPS Low-Voltage Supply Undervoltage
Kuka · KR C2 Robot Controller
What does Undervoltage PMx mean?
The low-voltage supply for the KPS module (PMx) is experiencing an undervoltage condition. The rated voltage for this supply is 27.1 V.
Repair Steps
- 1
Measure the low-voltage supply at the KPS terminals to ensure it provides the rated voltage of 27.1 V.
- 2
Check the power supply unit providing the 27.1 V for proper output.
Verified technical data. Last updated: March 2026
Source: Kuka KR C2 Robot Controller