ABB Error 71155 — Unité en défaut

What it means · Ce que ça veut dire

Unité en défaut — ABB robot hardware event on the controller hardware (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. Description\Cause: - L ' unité … n ' a pas été proprement connectée Check:

What to check · Que vérifier

• 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.
• Diagnostic avec appli.
• Modifier la procédure de lancement local de la dsqc344 procedure 3.
• Remplacer la prom de la dsqc344

Frequently asked · Questions fréquentes

What does ABB error 71155 mean?

ABB 71155 (“Unité en défaut”): Unité en défaut — ABB robot hardware event on the controller hardware (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 71155?

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. Diagnostic avec appli.

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