ABB Error 39503 — Power Supply Overtemperature

What it means · Ce que ça veut dire

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

The temperature in the Drive Module Power Supply of drive module arg has reached a critical level. No operation will be possible until after correcting the fault. The system goes to status SYS HALT. 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 Power Supply Overtemperature, 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 fan unit may be faulty, the cooling air flow may be obstructed or the ambient temperature may be too high.
• - 1) NOTE!
• Do not try to restart the controller for approx.
• ten minutes to let it cool down.
• - 2) Make sure the fans are running and that the air flow is not obstructed.

Frequently asked · Questions fréquentes

What does ABB error 39503 mean?

ABB 39503 (“Power Supply Overtemperature”): Power Supply Overtemperature — ABB robot hardware event on the Power Supply Overtemperature (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 39503?

Inspect the Power Supply Overtemperature, 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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