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ABB Error 37052 — Power supply ordinateur main / Computer Unit fault

Error / Erreur

🇫🇷 Alimentation ordinateur principal / Computer Unit

ALIMENTATION, CONTACTEURS, FREINS & THERMIQUE MOTEUR (37xxx, 2025x)

ABB 37052 (“Power supply ordinateur main / Computer Unit fault”): Power supply ordinateur main / Computer Unit fault — ABB robot hardware event on the power supply ordinateur main / Computer Unit (S4C+). Likely part: Alimentation ordinateur principal / Computer Unit (power supply ordinateur main / Computer Unit).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Power supply ordinateur main / Computer Unit fault — ABB robot hardware event on the power supply ordinateur main / Computer Unit (S4C+). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Une tension mesurée sur l'ordinateur principal est hors tolérance. Cas documenté: 3,3 V mesuré pour 3,0 V attendu.

What to check · Que vérifier

  • Inspect the power supply ordinateur main / Computer 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.
  • Contrôler les alimentations du Computer Unit, notamment la carte d'alimentation et les tensions logiques.
  • Contrôler aussi les charges/connecteurs et l'état de la batterie; remplacer/réparer l'alimentation si la tension reste hors tolérance.
  • À savoir : Défaut d'alimentation logique S4C+; à distinguer d'un simple avertissement de batterie.

Part to check / replace · Pièce à contrôler / remplacer

ABB 37052 points to the hardware below — start here before ordering. · 37052 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 37052 mean?
ABB 37052 (“Power supply ordinateur main / Computer Unit fault”): Power supply ordinateur main / Computer Unit fault — ABB robot hardware event on the power supply ordinateur main / Computer Unit (S4C+). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual…
How do you troubleshoot ABB error 37052?
Inspect the power supply ordinateur main / Computer 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.
Which part is involved in ABB 37052?
37052 points to Alimentation ordinateur principal / Computer Unit (power supply ordinateur main / Computer Unit). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

20252Controller hardware fault20253External device temperature high DRV137001Motor ON contactor activation error

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 →