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ABB Error 20313 — IOC EN supervision fault

Error / Erreur

🇫🇷 IO Computer / Panel Board / Connector Board

SÉCURITÉ & CHAÎNES CÂBLÉES (20xxx)

ABB 20313 (“IOC EN supervision fault”): IOC EN supervision fault — ABB robot hardware event on the IO Computer / Panel Board / Connector Board (IRC5). Likely part: IO Computer / Panel Board / Connector Board (IO Computer / Panel Board / Connector Board).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

IOC EN supervision fault — ABB robot hardware event on the IO Computer / Panel Board / Connector Board (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

IOC EN supervision fault : la supervision du signal ENABLE du calculateur d'E/S détecte une rupture du chemin ENABLE. Le système passe en SYS HALT.

What to check · Que vérifier

  • Inspect the IO Computer / Panel Board / Connector Board, 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.
  • Lire les autres messages du journal pour trouver la cause d'arrêt réelle.
  • Contrôler les câbles entre Panel Board et IO Computer.
  • Remplacer si besoin l'IO Computer, le Panel Board ou la Connector Board.
  • À savoir : Cité dans l'onglet Légende comme défaut typique de l'Enable Chain. Complément direct de 20314 (côté calculateur d'axes).

Part to check / replace · Pièce à contrôler / remplacer

ABB 20313 points to the hardware below — start here before ordering. · 20313 met en cause l'organe ci-dessous : commencez par là.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.

Frequently asked · Questions fréquentes

What does ABB error 20313 mean?
ABB 20313 (“IOC EN supervision fault”): IOC EN supervision fault — ABB robot hardware event on the IO Computer / Panel Board / Connector Board (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 20313?
Inspect the IO Computer / Panel Board / Connector Board, 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.
Which part is involved in ABB 20313?
20313 points to IO Computer / Panel Board / Connector Board (IO Computer / Panel Board / Connector Board). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

20206General stop open20223Emergency stop conflict20314AXC EN supervision fault

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 →