ABB Error 71349 — Invalid signal size

What it means · Ce que ça veut dire

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

The I/O configuration for I/O signal arg is invalid. There is a mismatch between the signal type and the size of the signal. The signal size arg is given by the device map: arg . This I/O signal has been rejected. 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 signal size, 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.
• Correct either the signal type or the device map so that the following rules are fulfilled: - The size of digital I/O signals must be exactly one bit.
• - The size of analog and group I/O signals must be between 1 and 32 bits.

Frequently asked · Questions fréquentes

What does ABB error 71349 mean?

ABB 71349 (“Invalid signal size”): Invalid signal size — ABB robot hardware event on the Invalid signal size (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 71349?

Inspect the Invalid signal size, 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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