ABB Error 50291 — Deactivation not allowed

What it means · Ce que ça veut dire

Deactivation not allowed — ABB robot hardware event on the Deactivation not allowed (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Deactivation of mechanical unit arg is not allowed when task is in synchronized motion mode. 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 Deactivation not allowed, 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 : Instruction DeactUnit is used in a synchronized part of the program.
• - Make sure no DeactUnit instruction is used in a synchronized part of the program.
• - Move the program pointer to main.

Frequently asked · Questions fréquentes

What does ABB error 50291 mean?

ABB 50291 (“Deactivation not allowed”): Deactivation not allowed — ABB robot hardware event on the Deactivation not allowed (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 50291?

Inspect the Deactivation not allowed, 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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