LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

ABB Error 39008Drive units fault

Error / Erreur

🇫🇷 Variateurs

VARIATEURS & COMMUNICATION DRIVE (39xxx, 3254x)

ABB 39008 (“Drive units fault”): Drive units fault — ABB robot hardware event on the Drive units (S4/S4C). Likely part: Variateurs (Drive units).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Drive units fault — ABB robot hardware event on the Drive units (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

Défaut de sous-intensité (low current fault) mesuré sur l'unité d'entraînement spécifiée.

What to check · Que vérifier

  • Inspect the Drive units, 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.
  • Vérifier le moteur d'axe, les connecteurs et remplacer le variateur d'axes concerné.
  • À savoir : Équivalent aux défauts d'asservissement sous-intensité de variateur d'axes (133318) sur IRC5.

Part to check / replace · Pièce à contrôler / remplacer

ABB 39008 points to the hardware below — start here before ordering. · 39008 met en cause l'organe ci-dessous : commencez par là.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.

Frequently asked · Questions fréquentes

What does ABB error 39008 mean?
ABB 39008 (“Drive units fault”): Drive units fault — ABB robot hardware event on the Drive units (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 39008?
Inspect the Drive units, 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.
Which part is involved in ABB 39008?
39008 points to Variateurs (Drive units). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

Same hardware involved / Même matériel en cause

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 →