ABB Error 110684 — Required signals missing

What it means · Ce que ça veut dire

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

Task: arg Required signals are missing, or I/O device is not running. The signals 'start weld', 'weld complete', 'stop weld' and 'process run' are required to run the application. It is not possible to run the application without one of these signals. 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 Required signals missing, 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.
• Check that the configured I/O device is running.
• Add the missing signals to the weld equipment and/or equipment configuration, and restart the system.

Frequently asked · Questions fréquentes

What does ABB error 110684 mean?

ABB 110684 (“Required signals missing”): Required signals missing — ABB robot hardware event on the Required signals missing (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 110684?

Inspect the Required signals missing, 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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