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 31115Link console fault

Error / Erreur

🇫🇷 Liaison console

CALCULATEURS, MÉMOIRE & COMMUNICATION (31xxx–33xxx)

ABB 31115 (“Link console fault”): Link console fault — ABB robot hardware event on the link console (S4/S4C). Likely part: Liaison console (link console).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Link console fault — ABB robot hardware event on the link console (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

Erreur matérielle de transmission série sur le canal série 1 (liaison de la console de prog).

What to check · Que vérifier

  • Inspect the link console, 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.
  • Vérifier le câblage de liaison console.
  • Remplacer la carte logique d'ordinateur.
  • À savoir : Similaire aux pannes de communication FlexPendant ou RCC (32500, 32530) d'IRC5.

Part to check / replace · Pièce à contrôler / remplacer

ABB 31115 points to the hardware below — start here before ordering. · 31115 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 31115 mean?
ABB 31115 (“Link console fault”): Link console fault — ABB robot hardware event on the link console (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 31115?
Inspect the link console, 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 31115?
31115 points to Liaison console (link console). Confirm the real cause against the robot backup before replacing a part.

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 →