ABB Error 90650 — Unexpected bitwidth mismatch

What it means · Ce que ça veut dire

Unexpected bitwidth mismatch — ABB robot hardware event on the Unexpected bitwidth mismatch (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Unexpected bitwidth arg when arg device arg arg from signal arg . 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 Unexpected bitwidth mismatch, 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 : The safety configuration has not been created using RobotStudio.
• Update the safety configuration.

Frequently asked · Questions fréquentes

What does ABB error 90650 mean?

ABB 90650 (“Unexpected bitwidth mismatch”): Unexpected bitwidth mismatch — ABB robot hardware event on the Unexpected bitwidth mismatch (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 90650?

Inspect the Unexpected bitwidth mismatch, 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.

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