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KUKA Error KSS26118 — KPP

Info

KUKA KSS26118 (“KPP”): Burst of power supply faults appearing together with a red LED on the KPP: the power module has an internal fault or is incorrectly powered/connected. Likely part: KPP (KUKA Power Pack — supply & DC bus) +1 more.

Updated 2026-09-09 · LogrobotLM reference

Cause

Burst of power supply faults appearing together with a red LED on the KPP: the power module has an internal fault or is incorrectly powered/connected. Documented case resolved by replacing the KPP; sometimes an internal cable (motherboard/CCU link) was the cause.

Part to check / replace

KUKA KSS26118 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

KSS00126Servo drive (KSD/KSP) + mechanical drive train of the axisKSS00276Machine data vs hardware (RDC/EDS, disk)KSS00364Mode selector / 27 V power supply of the PC (KPC) / CIBKSS01146Motor / axis brake / servo drive

Same hardware involved

KSS13012CCUKSS01305KPPKSS26015KPPKSS26130KPP

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →