ABB Error 32302 — Main computer fault
Error / Erreur🇫🇷 Calculateur Principal
CALCULATEURS, MÉMOIRE & COMMUNICATION (31xxx–33xxx)
ABB 32302 (“Main computer fault”): Main computer fault — ABB robot hardware event on the Main computer (S4/S4C). Likely part: Calculateur Principal (Main computer).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Main computer fault — ABB robot hardware event on the Main computer (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
Erreur physique de contrôle de bus ou d'adressage mémoire sur la carte ordinateur principal.
What to check · Que vérifier
- Inspect the Main 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.
- Remplacer la carte logique du calculateur principal d'armoire.
- À savoir : Similaire à 32301. Devra mener au remplacement matériel du CPU principal.
Part to check / replace · Pièce à contrôler / remplacer
ABB 32302 points to the hardware below — start here before ordering. · 32302 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 32302 mean?
- ABB 32302 (“Main computer fault”): Main computer fault — ABB robot hardware event on the Main computer (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 32302?
- Inspect the Main 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 32302?
- 32302 points to Calculateur Principal (Main 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 →