ABB Error 41426 — I/O Error

What it means · Ce que ça veut dire

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

Unable to access the I/O signal. Signal and I/O device unknown. Impossible to restart. 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 I/O Error, 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 : The connection with the I/O module is broken.
• Re-establish the connection with the I/O device.
• To make it possible to restart the program move PP to a safe restart position.

Frequently asked · Questions fréquentes

What does ABB error 41426 mean?

ABB 41426 (“I/O Error”): I/O Error — ABB robot hardware event on the I/O Error (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 41426?

Inspect the I/O Error, 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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