ABB Error 40191 — Instruction error

What it means · Ce que ça veut dire

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

Task arg: Variable and trap routine already connected. 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 Instruction 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.
• It is not legal to connect a specific variable with a trap routine more than once.
• To avoid run time errors like this, add code in error handler to handle this.
• ERRNO will be set to "ERR\_ALRDYCNT".

Frequently asked · Questions fréquentes

What does ABB error 40191 mean?

ABB 40191 (“Instruction error”): Instruction error — ABB robot hardware event on the Instruction 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 40191?

Inspect the Instruction 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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