ABB Error 0751 — Axis computer fault
Error / Erreur🇫🇷 Calculateur d'axes
GÉNÉRATION S2 / S3 — CODES HISTORIQUES (5xx & SOUS-CODES)
ABB 0751 (“Axis computer fault”): Axis computer fault — ABB robot hardware event on the Axis computer (S2/S3). Likely part: Calculateur d'axes (Axis computer).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Axis computer fault — ABB robot hardware event on the Axis computer (S2/S3). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
Le calculateur d'axes d'armoire ne réagit pas aux ordres de compensation de décalage des variateurs.
What to check · Que vérifier
- Inspect the Axis 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 de commande d'axes (calculateur du robot).
- À savoir : Deviendra les défauts d'asservissement d'axes.
Part to check / replace · Pièce à contrôler / remplacer
ABB 0751 points to the hardware below — start here before ordering. · 0751 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 0751 mean?
- ABB 0751 (“Axis computer fault”): Axis computer fault — ABB robot hardware event on the Axis 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 0751?
- Inspect the Axis 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 0751?
- 0751 points to Calculateur d'axes (Axis 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 →