ABB Error 71020 — Cross connection without resultant I/O signal

What it means · Ce que ça veut dire

Cross connection without resultant I/O signal — ABB robot hardware event on the Cross connection without resultant I/O signal (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The I/O configuration of cross connection arg is invalid. The parameter Resultant have been omitted. All cross connections must specify a resultant I/O signal. The cross connection has been rejected, and no functions depending on it will work. 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 Cross connection without resultant I/O signal, 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.
• Correct the cross connection so that the required resultant I/O signal are specified.

Frequently asked · Questions fréquentes

What does ABB error 71020 mean?

ABB 71020 (“Cross connection without resultant I/O signal”): Cross connection without resultant I/O signal — ABB robot hardware event on the Cross connection without resultant I/O signal (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains…

How do you troubleshoot ABB error 71020?

Inspect the Cross connection without resultant I/O signal, 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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