ABB Error 50231 — Log signal unit not active

What it means · Ce que ça veut dire

Log signal unit not active — ABB robot hardware event on the Log signal unit not active (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Mechanical unit arg not active. Logged signals for deactivated units may be invalid. 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 Log signal unit not active, 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.
• Activate mechanical unit to avoid this event message.

Frequently asked · Questions fréquentes

What does ABB error 50231 mean?

ABB 50231 (“Log signal unit not active”): Log signal unit not active — ABB robot hardware event on the Log signal unit not active (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 50231?

Inspect the Log signal unit not active, 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