ABB Error 20321 — Not-a-Number

What it means · Ce que ça veut dire

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

Not-a-Number was found in task arg . A symbol of type ' arg ' was found holding an undefined number. The undefined number was replaced with ' arg'. 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 Not-a-Number, 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.

Frequently asked · Questions fréquentes

What does ABB error 20321 mean?

ABB 20321 (“Not-a-Number”): Not-a-Number — ABB robot hardware event on the Not-a-Number (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 20321?

Inspect the Not-a-Number, 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.

Related codes / Codes liés