ABB Error 20076 — Not allowed command

What it means · Ce que ça veut dire

Not allowed command — ABB robot hardware event on the Not allowed command (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The command is not allowed in system failure state. A non-recoverable system error has occurred, and a controller restart is required. 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 Not allowed command, 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.
• Make sure the system is NOT in Emergency Stop state.
• Perform a restart as detailed in the operating manual for the controller.
• If restarting is not possible, switch the main power OFF and then back ON.

Frequently asked · Questions fréquentes

What does ABB error 20076 mean?

ABB 20076 (“Not allowed command”): Not allowed command — ABB robot hardware event on the Not allowed command (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 20076?

Inspect the Not allowed command, 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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