KUKA Error KSS15058 — Safety controller (CIB/SION)
InfoKUKA KSS15058 (“Safety controller (CIB/SION)”): “Control unit is in safe state”: the safety control section has locked itself into the safe state after detecting an internal inconsistency (often following another hardware fault: power supply, hardware exchange, FSoE). Likely part: CIB (Cabinet Interface Board).
Updated 2026-09-09 · LogrobotLM reference
Cause
“Control unit is in safe state”: the safety control section has locked itself into the safe state after detecting an internal inconsistency (often following another hardware fault: power supply, hardware exchange, FSoE).
Part to check / replace
KUKA KSS15058 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
Same hardware involved
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 →