ABB Error 90488 — SC arg Unsynchronized time limit expired

What it means · Ce que ça veut dire

SC arg Unsynchronized time limit expired — ABB robot hardware event on the SC arg Unsynchronized time limit expired (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Available time to move the robot when unsynchronized has expired for Safety Controller (SC) arg . 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 SC arg Unsynchronized time limit expired, 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.
• Do a Confirm stop by pressing the Motors ON push button or activate system input.
• Synchronize SC .

Frequently asked · Questions fréquentes

What does ABB error 90488 mean?

ABB 90488 (“SC arg Unsynchronized time limit expired”): SC arg Unsynchronized time limit expired — ABB robot hardware event on the SC arg Unsynchronized time limit expired (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 90488?

Inspect the SC arg Unsynchronized time limit expired, 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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