ABB Error 90505 — Safety Controller Synchronization rejected

What it means · Ce que ça veut dire

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

The synchronization of Safety Controller drive module arg failed. The safety controller will remain in the unsynchronized state. 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 Safety Controller Synchronization rejected, 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 : - One or more axes moved during synchronization.
• - The synchronization was not performed within the timeout limit.
• Make sure that the speed during synchronization is within limits, and perform a new synchronization of the safety controller.

Frequently asked · Questions fréquentes

What does ABB error 90505 mean?

ABB 90505 (“Safety Controller Synchronization rejected”): Safety Controller Synchronization rejected — ABB robot hardware event on the Safety Controller Synchronization rejected (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains…

How do you troubleshoot ABB error 90505?

Inspect the Safety Controller Synchronization rejected, 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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