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 90655Invalid value of the encoding attribute

Error / Erreur

🇫🇷 Invalid value of the encoding attribute

ABB — CATALOGUE PRODUCTION

ABB 90655 (“Invalid value of the encoding attribute”): Invalid value of the encoding attribute — ABB robot hardware event on the Invalid value of the encoding attribute (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Invalid value of the encoding attribute — ABB robot hardware event on the Invalid value of the encoding attribute (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Device arg signal arg map encoding is invalid. The system will stop all robot movements. 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 Invalid value of the encoding attribute, 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.
  • probable : RobotStudio version is too old to handle the expected version.
  • Update RobotStudio.
  • Update the safety configuration.

Frequently asked · Questions fréquentes

What does ABB error 90655 mean?
ABB 90655 (“Invalid value of the encoding attribute”): Invalid value of the encoding attribute — ABB robot hardware event on the Invalid value of the encoding attribute (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 90655?
Inspect the Invalid value of the encoding attribute, 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 →