LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

ABB Error 0112I/O computer fault

Error / Erreur

🇫🇷 Calculateur d'E/S

GÉNÉRATION S2 / S3 — CODES HISTORIQUES (5xx & SOUS-CODES)

ABB 0112 (“I/O computer fault”): I/O computer fault — ABB robot hardware event on the I/O computer (S2/S3). Likely part: Calculateur d'E/S (I/O computer).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

I/O computer fault — ABB robot hardware event on the I/O computer (S2/S3). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

Erreur de diagnostic interne matériel du calculateur d'E/S.

What to check · Que vérifier

  • Inspect the I/O computer, 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.
  • Remplacez la carte du calculateur du robot.
  • À savoir : Défaut d'autotest de carte d'époque.

Part to check / replace · Pièce à contrôler / remplacer

ABB 0112 points to the hardware below — start here before ordering. · 0112 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 0112 mean?
ABB 0112 (“I/O computer fault”): I/O computer fault — ABB robot hardware event on the I/O computer (S2/S3). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 0112?
Inspect the I/O computer, 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 0112?
0112 points to Calculateur d'E/S (I/O computer). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

Same hardware involved / Même matériel en cause

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 →