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ABB Error 20450SC arg CBC Speed exceeded

Error / Erreur

🇫🇷 SC arg CBC Speed exceeded

ABB — CATALOGUE PRODUCTION

ABB 20450 (“SC arg CBC Speed exceeded”): SC arg CBC Speed exceeded — ABB robot hardware event on the SC arg CBC Speed exceeded (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

SC arg CBC Speed exceeded — ABB robot hardware event on the SC arg CBC Speed exceeded (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Cyclic Brake Check (CBC) speed limit is exceeded in Safety Controller (SC) on mechanical unit arg. Either CBC test interval has expired or a previous brake check failed. 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 SC arg CBC Speed exceeded, 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.
  • Decrease speed and execute Brake check.

Frequently asked · Questions fréquentes

What does ABB error 20450 mean?
ABB 20450 (“SC arg CBC Speed exceeded”): SC arg CBC Speed exceeded — ABB robot hardware event on the SC arg CBC Speed exceeded (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 20450?
Inspect the SC arg CBC Speed exceeded, 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 →