ABB Error 39311 — A.U. variateur externe

What it means · Ce que ça veut dire

A.U. variateur externe — ABB robot hardware event on the A.U. drive unit external (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. Le variateur externe, axe: … a commandé un arrêt d ' urgence. Check: Voir documentation sur Atlas DMC/FBU.

What to check · Que vérifier

• Inspect the A.U. drive unit external, 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.

Frequently asked · Questions fréquentes

What does ABB error 39311 mean?

ABB 39311 (“A.U. variateur externe”): A.U. variateur externe — ABB robot hardware event on the A.U. drive unit external (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 39311?

Inspect the A.U. drive unit external, 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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