ABB Error 39603 — Communication lost with Power Unit

What it means · Ce que ça veut dire

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

The communication with the Power Unit has been lost. The system goes to Motors Off 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 Communication lost with Power Unit, 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 communication cable between the Main Computer and the Power Unit has been disconnected.
• - The communication cable to the robot has been disconnected.
• - The power unit or the robot has lost its logical power.
• - Check communication cabling to power unit and robot.
• - Check power logic supply to power unit and robot.

Frequently asked · Questions fréquentes

What does ABB error 39603 mean?

ABB 39603 (“Communication lost with Power Unit”): Communication lost with Power Unit — ABB robot hardware event on the Communication lost with Power Unit (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 39603?

Inspect the Communication lost with Power Unit, 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.

Related codes / Codes liés