ABB Error 39477 — Rectifier Temperature Error

What it means · Ce que ça veut dire

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

The temperature in the rectifier unit connected to drive communication link arg in drive module arg has reached a too high a 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 Rectifier Temperature Error, 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 cooling fans may be faulty or the air flow may be obstructed.
• The ambient temperature may be too high or the system may be running with a too high load for extended periods.
• - 1) Check that the fans are running and that the air flow is not obstructed.
• - 2) Check that the ambient temperature does not exceed the cabinet rating.
• - 3) If the system contains external axes then check that motors are not too large for the drive units.

Frequently asked · Questions fréquentes

What does ABB error 39477 mean?

ABB 39477 (“Rectifier Temperature Error”): Rectifier Temperature Error — ABB robot hardware event on the Rectifier Temperature Error (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 39477?

Inspect the Rectifier Temperature Error, 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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