ABB Error 41820 — Invalid EGM identity

What it means · Ce que ça veut dire

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

Task: arg . The EGM identity arg is not valid. Program ref: arg . 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 Invalid EGM identity, 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 EGM identity arg had not been initialized by means of the RAPID instruction EGMGetId.
• Initialize the EGM identity arg using the RAPID instruction EGMGetId.

Frequently asked · Questions fréquentes

What does ABB error 41820 mean?

ABB 41820 (“Invalid EGM identity”): Invalid EGM identity — ABB robot hardware event on the Invalid EGM identity (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 41820?

Inspect the Invalid EGM identity, 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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