ABB Error 39505 — Mains Voltage to Power Supply Lost

What it means · Ce que ça veut dire

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

The mains power supply to the power supply unit in drive module arg is missing. No operation will be possible until after correcting the fault. The system goes to system failure state. 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 Mains Voltage to Power Supply Lost, 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 main power switch on the drive module may be turned off.
• The incoming mains cable may be faulty (break), or the circuit breaker for the power supply may have tripped.
• The fault may also occur if the connector from the power supply unit is not correctly connected to the axis computer.
• Check that the main power switch in turned on for the drive module and restart the controller.
• Check that the connector from the power supply unit is correctly connected to the axis computer.

Frequently asked · Questions fréquentes

What does ABB error 39505 mean?

ABB 39505 (“Mains Voltage to Power Supply Lost”): Mains Voltage to Power Supply Lost — ABB robot hardware event on the Mains Voltage to Power Supply Lost (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 39505?

Inspect the Mains Voltage to Power Supply Lost, 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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