ABB Error 40231 — Too high CPU load

What it means · Ce que ça veut dire

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

The main computer CPU load is too high due to program execution. The main computer is overloaded, possibly causing problems with motion performance. The responsiveness of the FlexPendant and external applications, like RobotStudio-Online, may also be impaired. 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 Too high CPU 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.
• probable : The program executed may contain a large number of robot positions being spaced too closely.
• It may also contain too many logical instructions without enough time delay separating them.
• If possible, reduce the number of robot positions.
• Another possibility is to reduce the TCP speed.
• If possible, add time delays or other types of waiting instructions between the logical instructions.

Frequently asked · Questions fréquentes

What does ABB error 40231 mean?

ABB 40231 (“Too high CPU load”): Too high CPU load — ABB robot hardware event on the Too high CPU 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 40231?

Inspect the Too high CPU 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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