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.

ABB Error 111963Invalid action handle

Error / Erreur

🇫🇷 Invalid action handle

ABB — CATALOGUE PRODUCTION

ABB 111963 (“Invalid action handle”): Invalid action handle — ABB robot hardware event on the Invalid action handle (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

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

Task: arg Instruction arg failed. The action handle that is used refer to an object that does not exist or is not initialized. Program Ref. arg The program execution is immediately halted. 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 Invalid action handle, 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 : An instruction/function is executed without a valid handle.
  • The action handle has not been fetched correctly, or it is a restart after power fail.
  • Restart the project or rewrite the RAPID program.

Frequently asked · Questions fréquentes

What does ABB error 111963 mean?
ABB 111963 (“Invalid action handle”): Invalid action handle — ABB robot hardware event on the Invalid action handle (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 111963?
Inspect the Invalid action handle, 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 →