ABB Error 110649 — I/O signal error

What it means · Ce que ça veut dire

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

Task: arg It is not possible to set the signal, the I/O unit is lost. The signal will not be set. 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 signal 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 power to the IO unit is lost or the cable is damaged.
• Check the power to IO units.
• Check that the cabling is OK.

Frequently asked · Questions fréquentes

What does ABB error 110649 mean?

ABB 110649 (“I/O signal error”): I/O signal error — ABB robot hardware event on the I/O signal 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 110649?

Inspect the I/O signal 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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