ABB Error 20408 — PP to Main rejected

What it means · Ce que ça veut dire

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

Setting PP to Main, via System IO, was rejected. The reason is that write access is held by arg using 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 PP to Main rejected, 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 20408 mean?

ABB 20408 (“PP to Main rejected”): PP to Main rejected — ABB robot hardware event on the PP to Main rejected (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 20408?

Inspect the PP to Main rejected, 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