ABB Error 40150 — Unexpected unknown token
Error / Erreur🇫🇷 Unexpected unknown token
ABB — CATALOGUE PRODUCTION
ABB 40150 (“Unexpected unknown token”): Unexpected unknown token — ABB robot hardware event on the Unexpected unknown token (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Unexpected unknown token — ABB robot hardware event on the Unexpected unknown token (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
Unexpected unknown token. Recommended actions Remove the unknown token. Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.
What to check · Que vérifier
- Inspect the Unexpected unknown token, 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.
Frequently asked · Questions fréquentes
- What does ABB error 40150 mean?
- ABB 40150 (“Unexpected unknown token”): Unexpected unknown token — ABB robot hardware event on the Unexpected unknown token (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
- How do you troubleshoot ABB error 40150?
- Inspect the Unexpected unknown token, 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.
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 →