ABB Error 90780 — Two-channel fault in Safety Controller

What it means · Ce que ça veut dire

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

Two-Channel fault for Safety Controller GPIO input arg: arg != arg . The system will stop all robot movements in automatic mode. 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 Two-channel fault in Safety Controller, 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 : - 1 Cable fault.
• - 2 Signaling error.
• Check cables to the Safety Controller.
• Restart the robot controller.

Frequently asked · Questions fréquentes

What does ABB error 90780 mean?

ABB 90780 (“Two-channel fault in Safety Controller”): Two-channel fault in Safety Controller — ABB robot hardware event on the Two-channel fault in Safety Controller (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 90780?

Inspect the Two-channel fault in Safety Controller, 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