ABB Error 71002 — Unit type undefined

What it means · Ce que ça veut dire

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

The I/O configuration for unit arg is invalid. This unit type has been rejected, and no functions depending on this unit type will work. 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 Unit type undefined, 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 : The unit type named arg is unknown.
• All units must refer to an existing, defined unit type.
• - 1) Make sure the unit type is defined.
• - 2) Make sure the unit type is correctly spelt.

Frequently asked · Questions fréquentes

What does ABB error 71002 mean?

ABB 71002 (“Unit type undefined”): Unit type undefined — ABB robot hardware event on the Unit type undefined (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 71002?

Inspect the Unit type undefined, 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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