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ABB Error 20212Two channel fault, RUN CHAIN

Error / Erreur

🇫🇷 Two channel fault, RUN CHAIN

ABB — CATALOGUE PRODUCTION

ABB 20212 (“Two channel fault, RUN CHAIN”): Two channel fault, RUN CHAIN — ABB robot hardware event on the Two channel fault, RUN CHAIN (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Two channel fault, RUN CHAIN — ABB robot hardware event on the Two channel fault, RUN CHAIN (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Only one of the two RUN chains was closed. The system goes to status SYS HALT. 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 Two channel fault, RUN CHAIN, 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 : Any of the switches connected to the RUN chain may be faulty or not correctly connected, causing only one channel to close.
  • The RUN chain is described in the Trouble Shooting Manual, IRC5.
  • - 1) Check cables and connections.
  • - 2) Check other event log messages occurring at the same time to determine which switch caused the fault.
  • - 3) Make sure all switches are working correctly.

Frequently asked · Questions fréquentes

What does ABB error 20212 mean?
ABB 20212 (“Two channel fault, RUN CHAIN”): Two channel fault, RUN CHAIN — ABB robot hardware event on the Two channel fault, RUN CHAIN (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 20212?
Inspect the Two channel fault, RUN CHAIN, 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 →