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 41661Assembly could not be found

Error / Erreur

🇫🇷 Assembly could not be found

ABB — CATALOGUE PRODUCTION

ABB 41661 (“Assembly could not be found”): Assembly could not be found — ABB robot hardware event on the Assembly could not be found (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Assembly could not be found — ABB robot hardware event on the Assembly could not be found (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Task: arg . - 1 The assembly could not be found, or does not exist. - 2 The FlexPendant Interface option is missing. Status arg - . Program ref: arg . The view will not be launched. 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 Assembly could not be found, 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 : - 1 The assembly could not be found.
  • - 2 The system image does not include the required option FlexPendant Interface.
  • Check inparameters.
  • Make sure that the modules been loaded correctly to the robot controller.
  • Check that FlexPendant Interface option is used.

Frequently asked · Questions fréquentes

What does ABB error 41661 mean?
ABB 41661 (“Assembly could not be found”): Assembly could not be found — ABB robot hardware event on the Assembly could not be found (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 41661?
Inspect the Assembly could not be found, 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 →