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ABB Error 0109Link CPU axis fault

Error / Erreur

🇫🇷 Liaison CPU d'axes

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

ABB 0109 (“Link CPU axis fault”): Link CPU axis fault — ABB robot hardware event on the link CPU axis (S2/S3). Likely part: Liaison CPU d'axes (link CPU axis).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

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

Erreur de transmission d'axes entre le calculateur d'E/S et le calculateur central.

What to check · Que vérifier

  • Inspect the link CPU axis, 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 d'ordinateur d'armoire.
  • À savoir : Similaire aux coupures d'Ethernet ou de liaison VME entre CPU principal et d'axes (32575).

Part to check / replace · Pièce à contrôler / remplacer

ABB 0109 points to the hardware below — start here before ordering. · 0109 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 0109 mean?
ABB 0109 (“Link CPU axis fault”): Link CPU axis fault — ABB robot hardware event on the link CPU axis (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 0109?
Inspect the link CPU axis, 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 0109?
0109 points to Liaison CPU d'axes (link CPU axis). 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 →