ABB Error 34407 — Drive unit internal error
Error / Erreur🇫🇷 Drive unit internal error
ABB — CATALOGUE PRODUCTION
ABB 34407 (“Drive unit internal error”): Drive unit internal error — ABB robot hardware event on the Drive unit internal error (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Drive unit internal error — ABB robot hardware event on the Drive unit internal 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 drive unit at unit position arg has indicated an internal error. The system goes to system failure state with zero torque. 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 Drive unit internal 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 : An internal error has occurred in the drive unit firmware.
- Restart the controller by using the main power switch.
Frequently asked · Questions fréquentes
- What does ABB error 34407 mean?
- ABB 34407 (“Drive unit internal error”): Drive unit internal error — ABB robot hardware event on the Drive unit internal 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 34407?
- Inspect the Drive unit internal 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 →