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ABB Error 20177 — Short circuit in Motor phase circuit

Error / Erreur

🇫🇷 Short circuit in Motor phase circuit

ABB — CATALOGUE PRODUCTION

ABB 20177 (“Short circuit in Motor phase circuit”): Short circuit in Motor phase circuit — ABB robot hardware event on the Short circuit in Motor phase circuit (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Short circuit in Motor phase circuit — ABB robot hardware event on the Short circuit in Motor phase circuit (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The motor or motor cable for joint arg in drive module arg, drive unit number arg, is a short circuit. 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 Short circuit in Motor phase circuit, 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 : This may be caused by a faulty motor or motor cable.
  • It may also be caused by contamination in the contactors for the cables or a failure of the motor windings.
  • - 1) Make sure the motor cable is correctly connected to the drive unit.
  • - 2) Check the cable and motor by measuring their resistance respectively.
  • Disconnect before measuring.

Frequently asked · Questions fréquentes

What does ABB error 20177 mean?
ABB 20177 (“Short circuit in Motor phase circuit”): Short circuit in Motor phase circuit — ABB robot hardware event on the Short circuit in Motor phase circuit (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 20177?
Inspect the Short circuit in Motor phase circuit, 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

10005Program stopped10007Programme lancé10008Programme relancé

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 →