ABB Error 20084 — 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.

This command is not allowed since data in the Serial Measurement Board (SMB) memory is not OK. All data must be OK before automatic operation is possible. Manually jogging the robot is possible. 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.
• 1) Update the Serial Measurement Board data as detailed in Operator's Manual, IRC5.

Frequently asked · Questions fréquentes

What does ABB error 20084 mean?

ABB 20084 (“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 20084?

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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