ABB Error 40556 — Erreurd'E/S
Error / Erreur🇫🇷 Erreurd'E/S
ABB — CATALOGUE PRODUCTION
ABB 40556 (“Erreurd'E/S”): Erreurd'E/S — ABB robot hardware event on the Erreurd'I/O (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Erreurd'E/S — ABB robot hardware event on the Erreurd'I/O (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
Tache : arg Impossible d'écrire le signal d'E/S. Reference programme arg 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 Erreurd'I/O, 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.
Frequently asked · Questions fréquentes
- What does ABB error 40556 mean?
- ABB 40556 (“Erreurd'E/S”): Erreurd'E/S — ABB robot hardware event on the Erreurd'I/O (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 40556?
- Inspect the Erreurd'I/O, 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 →