ABB Error 71254 — NoOfBits incorrect

What it means · Ce que ça veut dire

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

This code's manufacturer text exists only in French in the ABB manuals it comes from. It is reproduced verbatim above; your robot's own manual remains authoritative. Analyse\Cause - NoOfBits incorrect pour le signal …-… unité ….

What to check · Que vérifier

• Inspect the NoOfBits incorrect, 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.
• La valeur doit être comprise entre 4 et 32.

Frequently asked · Questions fréquentes

What does ABB error 71254 mean?

ABB 71254 (“NoOfBits incorrect”): NoOfBits incorrect — ABB robot hardware event on the NoOfBits incorrect (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 71254?

Inspect the NoOfBits incorrect, 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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