ABB Error 41818 — SDB Error in Cyclic bool

What it means · Ce que ça veut dire

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

Failure while evaluating a logical expression setup with RAPID instruction SetupCyclicBool. The persistent variable arg is unknown to the system. The program execution is stopped immediately. 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 SDB Error in Cyclic bool, 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 module containing the declaration of arg has probably been unloaded.
• Reload the module containing the declaration of .
• Disconnect the logical expression containing using RemoveCyclicBool.

Frequently asked · Questions fréquentes

What does ABB error 41818 mean?

ABB 41818 (“SDB Error in Cyclic bool”): SDB Error in Cyclic bool — ABB robot hardware event on the SDB Error in Cyclic bool (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 41818?

Inspect the SDB Error in Cyclic bool, 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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