ABB Error 20446 — Failed to access the HOME directory

What it means · Ce que ça veut dire

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

The system failed to access the HOME directory during startup. The system has tried to create a new HOME directory to recover. The system has entered system failure state. If a new HOME directory was created: arg then it will be empty. 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 Failed to access the HOME directory, 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 HOME directory was missing or renamed before the reboot of the system.
• Check the contents in the HOME directory for any missing file or folder.
• Copy any missing contents to the HOME directory from a Backup and reboot the system or do a restore from a Backup to recover.

Frequently asked · Questions fréquentes

What does ABB error 20446 mean?

ABB 20446 (“Failed to access the HOME directory”): Failed to access the HOME directory — ABB robot hardware event on the Failed to access the HOME directory (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 20446?

Inspect the Failed to access the HOME directory, 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.

Related codes / Codes liés