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 FXTL-074Step number sequence error

FANUC FXTL-074 (“Step number sequence error”): A step number in the model file is out of sequence. First check: Correct the model file by fixing or renumbering the cell step lines.

Updated 2026-08-29 · LogrobotLM reference

Description

A step number in the model file is out of sequence. Steps must be numbered sequentially with no missing numbers.

Remedy · Remède

Correct the model file by fixing or renumbering the cell step lines.

Frequently asked · Questions fréquentes

What does FANUC alarm FXTL-074 mean?
FANUC FXTL-074 (“Step number sequence error”): A step number in the model file is out of sequence. Steps must be numbered sequentially with no missing numbers.
How do you troubleshoot FANUC alarm FXTL-074?
Correct the model file by fixing or renumbering the cell step lines.

Related codes / Codes liés

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 →