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 40656Erreur d ' exécution

Error / Erreur

🇫🇷 Erreur d ' exécution

ABB — CATALOGUE PRODUCTION

ABB 40656 (“Erreur d ' exécution”): Erreur d ' exécution — ABB robot hardware event on the controller hardware (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

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

This code's manufacturer text exists only in French in the ABB manuals it comes from. It is reproduced verbatim above; your robot's own manual remains authoritative. Impossible de modifier le facteur d'échelle pour le signal AO. Check: Les processus internes qui contrôlent la sortie du signal AO sont morts pour une raison inconnue.

What to check · Que vérifier

  • 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.

Frequently asked · Questions fréquentes

What does ABB error 40656 mean?
ABB 40656 (“Erreur d ' exécution”): Erreur d ' exécution — ABB robot hardware event on the controller hardware (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 40656?
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 →