ABB Error 41851 — Wrong value type used

What it means · Ce que ça veut dire

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

Task: arg . Wrong value type used in optional argument arg . The only valid types are bool, num or dnum, or any alias type of those three base types. Program ref: arg . The program execution is stopped immediately. 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 Wrong value type used, 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 : Wrong value type used.
• Change type used in optional argument arg .

Frequently asked · Questions fréquentes

What does ABB error 41851 mean?

ABB 41851 (“Wrong value type used”): Wrong value type used — ABB robot hardware event on the Wrong value type used (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 41851?

Inspect the Wrong value type used, 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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