ABB Error 34271 — AC input rotation warning

What it means · Ce que ça veut dire

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

In drive module arg , the input AC voltage has rotation issue for the rectifier unit at drive unit position arg . Operation will still be possible. 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 AC input rotation warning, 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 : - 1 Main supply is not ok.
• Check incoming mains voltage.
• Be observant of other supply errors.

Frequently asked · Questions fréquentes

What does ABB error 34271 mean?

ABB 34271 (“AC input rotation warning”): AC input rotation warning — ABB robot hardware event on the AC input rotation warning (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 34271?

Inspect the AC input rotation warning, 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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