ABB Error 40157 — Instruction error

What it means · Ce que ça veut dire

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

Task arg: Interrupt number is not a static variable reference, is shared, or is read only. 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 Instruction error, 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.
• Make sure the interrupt number is just a variable or variable parameter reference.
• The variable must be static and not shared.
• The variable may not be read only.
• To avoid run time errors like this, add code in error handler to handle this.
• ERRNO will be set to "ERR\_CNTNOTVAR".

Frequently asked · Questions fréquentes

What does ABB error 40157 mean?

ABB 40157 (“Instruction error”): Instruction error — ABB robot hardware event on the Instruction error (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 40157?

Inspect the Instruction error, 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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