Overcurrent, KPP/KSP (axis)

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This fault signifies a brief overcurrent event that exceeds the maximum current capacity of the KPP. Such events are typically caused by short-circuits or sudden, excessive load demands, indicating an electrical issue or severe mechanical binding.

• Short-circuit between phases in the motor cable or within the motor windings.
• Sudden, high mechanical load or mechanical binding causing a motor stall.
• Malfunction within the KPP or KSP leading to incorrect current sensing or control.

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1. 1

   Review the trace recording of the axis/current to identify the peak current value and timing.

2. 2

   Check the motor for shorted windings or mechanical seizure.

3. 3

   Inspect the motor cable for phase-to-phase or phase-to-ground short circuits.

4. 4

   Reinitialize the drive bus by performing a Power Off / Power On cycle.

5. 5

   Inspect KSP (KUKA SmartPAD) and KPP (KUKA Power Pack) components for damage.