ABB Error 50420 — IndCnv Mechanical Unit Error

What it means · Ce que ça veut dire

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

The mechanical unit arg is not correctly configured for IndCnv functionality. Program execution is stopped. 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 IndCnv Mechanical Unit Error, 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 mechanical unit arg consists of more than one single.
• The single connected to arg is not of type 'FREE\_ROT'.
• The single connected to arg is not defined as an Indexing Move single.
• Make sure mechanical unit arg consists of only one single.
• Make sure system parameter 'Mechanics' in topic Motion and type Single is of type 'FREE\_ROT'.

Frequently asked · Questions fréquentes

What does ABB error 50420 mean?

ABB 50420 (“IndCnv Mechanical Unit Error”): IndCnv Mechanical Unit Error — ABB robot hardware event on the IndCnv Mechanical Unit Error (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 50420?

Inspect the IndCnv Mechanical Unit Error, 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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