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ABB Error 40301File access error

Error / Erreur

🇫🇷 File access error

ABB — CATALOGUE PRODUCTION

ABB 40301 (“File access error”): File access error — ABB robot hardware event on the File access error (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

File access error — ABB robot hardware event on the File access error (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Task arg is trying to access file arg , but failing. No data in the file may be accessed. Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

  • Inspect the File access error, its wiring and connections first.
  • Match this code against your robot's event-log timeline before swapping parts.
  • Follow the French field checks below — they are the tested sequence for this fault.
  • probable : File may be write protected.
  • - 1 Check if the file is write protected, and in such case change the setting.

Frequently asked · Questions fréquentes

What does ABB error 40301 mean?
ABB 40301 (“File access error”): File access error — ABB robot hardware event on the File access error (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 40301?
Inspect the File access error, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.

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 →