ABB Error 40721 — Installationd'E/S

What it means · Ce que ça veut dire

Installationd'E/S — ABB robot hardware event on the Installationd'I/O (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Tache arg : Le systeme n'a pas pu rafraichir tous les signaux d'E/S en tant que symboles RAPID. Les signaux d'E/S ne peuvent pasetre utilises dans un programme RAPID 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 Installationd'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.
• probable : - Configuration d'E/S incorrecte - Configuration de tache incorrecte

Frequently asked · Questions fréquentes

What does ABB error 40721 mean?

ABB 40721 (“Installationd'E/S”): Installationd'E/S — ABB robot hardware event on the Installationd'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 40721?

Inspect the Installationd'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.

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