ABB Error 71381 — Communication connector is already in use

What it means · Ce que ça veut dire

Communication connector is already in use — ABB robot hardware event on the Communication connector is already in use (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The physical channel <arg> cannot use connector <arg>. The connector is already in use by physical channel <arg>. The connector and the physical channel using the connector will not be available for use. 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 Communication connector is already in use, 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 : Several physical channels may have been assigned to the same connector in the configuration.
• 1) Make sure each connector is used by one physical channel only.

Frequently asked · Questions fréquentes

What does ABB error 71381 mean?

ABB 71381 (“Communication connector is already in use”): Communication connector is already in use — ABB robot hardware event on the Communication connector is already in use (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 71381?

Inspect the Communication connector is already in use, 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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