26132
Collective brake fault, KPP/KSP (axis)
Kuka · KR C4 Controller
What does 26132 mean?
This fault is signaled by the brake cable monitoring device, indicating a short-circuit, overloading, or a break in the brake connection affecting all axes. This is a critical safety fault, as it affects the ability to hold the robot axes.
Common Causes
- Short-circuit in the brake cable
- Overcurrent condition in the brake circuit
- Break in the brake cable connection
- No brake connected (if expected)
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the brake voltage for all axes.
- 2
Measure the motor and brake for proper resistance and continuity.
- 3
Inspect the brake cable and motor cable for physical damage, shorts, or breaks.
- 4
Reinitialize the drive bus by cycling Power Off / Power On.
- 5
Check the KSP module.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka KR C4 Controller