LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

ABB Error 34275DC over current error

Error / Erreur

🇫🇷 DC over current error

ABB — CATALOGUE PRODUCTION

ABB 34275 (“DC over current error”): DC over current error — ABB robot hardware event on the DC over current error (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

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

In drive module arg , the output DC current is too high for the rectifier unit at drive unit position arg . No operation will be possible until the fault is corrected. The system goes to Motors Off state. 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 DC over current error, 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 Number of connected users of DC bus is too many.
  • - 2 Current consumption is too high on one of the connected units.
  • Check DC bus cabling.
  • Isolate the drive unit that draws too much current and replace it.
  • If the problem remains then replace the unit.

Frequently asked · Questions fréquentes

What does ABB error 34275 mean?
ABB 34275 (“DC over current error”): DC over current error — ABB robot hardware event on the DC over current error (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 34275?
Inspect the DC over current error, 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

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →