LogrobotLM

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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm SYST-120 — WARN No style option input defined

FANUC SYST-120 (“WARN No style option input defined”): One or more style option inputs, which are required with the current program selection options, have not been defined. First check: Set up the style option inputs in the Cell Input I/O menu and restart the robot.

Updated 2026-08-29 · LogrobotLM reference

Description

One or more style option inputs, which are required with the current program selection options, have not been defined.

Remedy · Remède

Set up the style option inputs in the Cell Input I/O menu and restart the robot.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-120 mean?
FANUC SYST-120 (“WARN No style option input defined”): One or more style option inputs, which are required with the current program selection options, have not been defined.
How do you troubleshoot FANUC alarm SYST-120?
Set up the style option inputs in the Cell Input I/O menu and restart the robot.

Related codes / Codes liés

SYST-118WARN No PNS strobe input definedSYST-119WARN No echo strobe output definedSYST-121WARN No decision input group definedSYST-122WARN No style output group defined

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →