ABB Error 40523 — Mechanical Unit Conflict

What it means · Ce que ça veut dire

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

Not possible to activate mechanical unit arg since mechanical unit arg is already active. 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 Mechanical Unit Conflict, 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 Motion Configuration.
• Active mechanical units cannot have the same arg: Physical Axis.
• Logical Axis.
• Drive Unit Configuration.

Frequently asked · Questions fréquentes

What does ABB error 40523 mean?

ABB 40523 (“Mechanical Unit Conflict”): Mechanical Unit Conflict — ABB robot hardware event on the Mechanical Unit Conflict (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 40523?

Inspect the Mechanical Unit Conflict, 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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