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 LANG-080 — Invalid filename

FANUC LANG-080 (“Invalid filename”): The Ascii Input encountered an invalid filename. First check: Verify the program name matches the name of the .LS file.

Updated 2026-08-29 · LogrobotLM reference

Description

The Ascii Input encountered an invalid filename.

Remedy · Remède

Verify the program name matches the name of the .LS file.

Frequently asked · Questions fréquentes

What does FANUC alarm LANG-080 mean?
FANUC LANG-080 (“Invalid filename”): The Ascii Input encountered an invalid filename.
How do you troubleshoot FANUC alarm LANG-080?
Verify the program name matches the name of the .LS file.

Related codes / Codes liés

LANG-078Invalid position syntaxLANG-079Invalid sectionLANG-081Invalid application headerLANG-090Buffer is too small

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 →