ABB Error 134146 — DCU check error.
Error / Erreur🇫🇷 DCU check error.
ABB — CATALOGUE PRODUCTION
ABB 134146 (“DCU check error.”): DCU check error.
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
DCU check error. — ABB robot hardware event on the DCU check error. (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
Timeout while waiting for DCU to become ready. Recommended actions Check if DCU refilling has failed or stopped. 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 DCU check 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.
Frequently asked · Questions fréquentes
- What does ABB error 134146 mean?
- ABB 134146 (“DCU check error.”): DCU check error. — ABB robot hardware event on the DCU check 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 134146?
- Inspect the DCU check 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 →