ABB Error 71304 — Invalid DeviceNet device type

What it means · Ce que ça veut dire

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

The device type read from DeviceNet I/O device arg doesn't match value in device I/O configuration. - Configuration: - Actual: It is not possible to access the I/O device or I/O signals on it. 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 Invalid DeviceNet device type, 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 device type in I/O configuration.
• Check that the type of I/O device is correct.
• Check for a duplicate DeviceNet address in the connected I/O units.

Frequently asked · Questions fréquentes

What does ABB error 71304 mean?

ABB 71304 (“Invalid DeviceNet device type”): Invalid DeviceNet device type — ABB robot hardware event on the Invalid DeviceNet device type (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 71304?

Inspect the Invalid DeviceNet device type, 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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