ABB Error 71054 — Invalid signal type

What it means · Ce que ça veut dire

Invalid signal type — ABB robot hardware event on the Invalid signal type (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. The specified signal type arg is invalid/unknown. Valid signal types are: - DI (Digital input). - DO (Digital output). - AI (Analog input). - AO (Analog output). - GI (Group input). - GO (Group output). 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 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.
• Correct the signal type of the I/O signal.

Frequently asked · Questions fréquentes

What does ABB error 71054 mean?

ABB 71054 (“Invalid signal type”): Invalid signal type — ABB robot hardware event on the Invalid signal 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 71054?

Inspect the Invalid signal 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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