ABB Error 71274 — Interbus bus failure
Error / Erreur🇫🇷 Interbus bus failure
ABB — CATALOGUE PRODUCTION
ABB 71274 (“Interbus bus failure”): Interbus bus failure — ABB robot hardware event on the Interbus bus failure (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Interbus bus failure — ABB robot hardware event on the Interbus bus failure (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
The control system was unable to determine the bus operating mode of the Interbus board. 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 Interbus bus failure, 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.
- - 1) Restart the system.
Frequently asked · Questions fréquentes
- What does ABB error 71274 mean?
- ABB 71274 (“Interbus bus failure”): Interbus bus failure — ABB robot hardware event on the Interbus bus failure (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 71274?
- Inspect the Interbus bus failure, 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 →