ABB Error 20502 — Emergency stop on pendant active

What it means · Ce que ça veut dire

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

Emergency stop button on pendant has been activated. System is in Emergency Stop status. 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 Emergency stop on teach pendant active, 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 : Emergency stop button on pendant has been activated or pendant is disconnected.
• To resume operation, first release the emergency stop pendant button and acknowledge (reset ES stop).
• Check the HMI diagnostic view if the system is not able to start.
• If the system is without pendant check the Dummy Connector.

Frequently asked · Questions fréquentes

What does ABB error 20502 mean?

ABB 20502 (“Emergency stop on pendant active”): Emergency stop on pendant active — ABB robot hardware event on the Emergency stop on teach pendant active (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 20502?

Inspect the Emergency stop on teach pendant active, 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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