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 1120 — INCOMPLETE COMMAND

Info

Displayed as KSS01120 on KRC4 / KRC5 controllers

KUKA 1120 (“INCOMPLETE COMMAND”): The interface to the SBC is not initialized. First check: Initialize the interface with the SBC.

Updated 2026-09-09 · LogrobotLM reference

Cause

The interface to the SBC is not initialized.

Effect

None.

Troubleshooting

Initialize the interface with the SBC.

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 →