ABB Error 90668 — Emergency Stop Status input could not be tested

What it means · Ce que ça veut dire

Emergency Stop Status input could not be tested — ABB robot hardware event on the Emergency Stop Status input could not be tested (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Emergency Stop Status input could not be tested because emergency stop circuit is broken. The system remains in the Emergency Stop status. 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 Emergency Stop Status input could not be tested, 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 An emergency stop button has been pressed.
• - 2 The cable to the safety controller is not connected.
• Reset the emergency stop button triggering the stop.
• Attach the cable to the safety controller.
• 4.9 9 xxxx

Frequently asked · Questions fréquentes

What does ABB error 90668 mean?

ABB 90668 (“Emergency Stop Status input could not be tested”): Emergency Stop Status input could not be tested — ABB robot hardware event on the Emergency Stop Status input could not be tested (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual…

How do you troubleshoot ABB error 90668?

Inspect the Emergency Stop Status input could not be tested, 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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