ABB Error 20355 — Mechanical Unit Group name not correct

What it means · Ce que ça veut dire

Mechanical Unit Group name not correct — ABB robot hardware event on the Mechanical Unit Group name not correct (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The configured name of arg in task arg is not correct. The reason could be: - 1 The argument is not used in the configuration. - 2 The configured name is not a member of the Mechanical Unit Group. - 3 The configured name is already used by another task. The task will not be installed or it will not be possible to execute RAPID motion instructions. 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 Mechanical Unit Group name not correct, 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.
• Change the configuration and restart the controller.

Frequently asked · Questions fréquentes

What does ABB error 20355 mean?

ABB 20355 (“Mechanical Unit Group name not correct”): Mechanical Unit Group name not correct — ABB robot hardware event on the Mechanical Unit Group name not correct (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 20355?

Inspect the Mechanical Unit Group name not correct, 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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