ABB Error 50311 — Cannot activate Mechanical Unit in task

What it means · Ce que ça veut dire

Cannot activate Mechanical Unit in task — ABB robot hardware event on the Cannot activate Mechanical Unit in task (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The mechanical unit arg cannot be activated in specified task. 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 Cannot activate Mechanical Unit in task, 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.
• Check the connection between mechanical unit and RAPID task in the configuration, topic Controller.

Frequently asked · Questions fréquentes

What does ABB error 50311 mean?

ABB 50311 (“Cannot activate Mechanical Unit in task”): Cannot activate Mechanical Unit in task — ABB robot hardware event on the Cannot activate Mechanical Unit in task (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 50311?

Inspect the Cannot activate Mechanical Unit in task, 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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