ABB Error 71049 — Analog I/O signal inverted

What it means · Ce que ça veut dire

Analog I/O signal inverted — ABB robot hardware event on the Analog I/O signal inverted (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. Analog I/O signals must not be inverted. Only digital and group I/O signals can be inverted. 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 Analog I/O signal inverted, 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.
• Remove the invert for the I/O signal (or change the signal type).

Frequently asked · Questions fréquentes

What does ABB error 71049 mean?

ABB 71049 (“Analog I/O signal inverted”): Analog I/O signal inverted — ABB robot hardware event on the Analog I/O signal inverted (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 71049?

Inspect the Analog I/O signal inverted, 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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