ABB Error 41438 — Undefined Load

What it means · Ce que ça veut dire

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

Task: arg . WARNING! Argument arg has undefined load (mass=0). Program ref: arg . IMPORTANT TO DEFINE CORRECT LOAD to avoid mechanical damages of the robot. 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 Undefined Load, 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.
• Define the actual load for the tool or the grip load before program movement or jogging.
• A good motion performance requires a correctly defined load.

Frequently asked · Questions fréquentes

What does ABB error 41438 mean?

ABB 41438 (“Undefined Load”): Undefined Load — ABB robot hardware event on the Undefined Load (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 41438?

Inspect the Undefined Load, 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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