ABB Error 90816 — Invalid Mode Selector input

What it means · Ce que ça veut dire

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

The Mode Selector has an invalid number of set inputs: arg . No operation will be possible until the fault has been corrected and the system have been restarted. 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 Invalid Mode Selector input, 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 : This may be caused by faulty hardware.
• Make sure that all cables to the safety controller are properly attached.
• Restart the system and check if the error remains.
• If the error remains replace the Safety Controller board.

Frequently asked · Questions fréquentes

What does ABB error 90816 mean?

ABB 90816 (“Invalid Mode Selector input”): Invalid Mode Selector input — ABB robot hardware event on the Invalid Mode Selector input (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 90816?

Inspect the Invalid Mode Selector input, 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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