LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

KUKA Error 1518 — INCORRECT DEFAULT PARAMETER

Error

Displayed as KSS01518 on KRC4 / KRC5 controllers

KUKA 1518 (“INCORRECT DEFAULT PARAMETER”): A predefined C function received a default parameter or no parameter. First check: Call the C function with a parameter.

Updated 2026-09-09 · LogrobotLM reference

Cause

A predefined C function received a default parameter or no parameter.

Effect

Stop via braking ramp. All active commands are inhibited.

Troubleshooting

Call the C function with a parameter.

Related codes

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 →