ABB Error 41633 — Can only be used in an UNDO handler

What it means · Ce que ça veut dire

Can only be used in an UNDO handler — ABB robot hardware event on the Can only be used in an UNDO handler (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Task: arg . The instruction arg can only be used in an UNDO handler. Program ref: arg . Program execution will be stopped. 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 Can only be used in an UNDO handler, 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.
• Use another instruction and/or move this instruction to the UNDO handler.

Frequently asked · Questions fréquentes

What does ABB error 41633 mean?

ABB 41633 (“Can only be used in an UNDO handler”): Can only be used in an UNDO handler — ABB robot hardware event on the Can only be used in an UNDO handler (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 41633?

Inspect the Can only be used in an UNDO handler, 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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