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ABB Error 39460DC Link Voltage Too Low

Error / Erreur

🇫🇷 DC Link Voltage Too Low

ABB — CATALOGUE PRODUCTION

ABB 39460 (“DC Link Voltage Too Low”): DC Link Voltage Too Low — ABB robot hardware event on the DC Link Voltage Too Low (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

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

The DC link voltage is too low for the rectifier on drive communication link arg, drive module arg . 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 DC Link Voltage Too Low, 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 DC link bus bar may be incorrectly connected or the three-phase mains power may be interrupted while the robot is in the Motors ON state.
  • The mains contactor may also have been opened whilst the robot is in Motors ON state (breaking the safety chain).
  • The incoming main power supply may also be too low.
  • - 1) Make sure the DC link bus bar is correctly connected.
  • - 2) Make sure the mains supply has not been interrupted.

Frequently asked · Questions fréquentes

What does ABB error 39460 mean?
ABB 39460 (“DC Link Voltage Too Low”): DC Link Voltage Too Low — ABB robot hardware event on the DC Link Voltage Too Low (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 39460?
Inspect the DC Link Voltage Too Low, 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

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →