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08490000 hex
Overcurrent Error
Omron · NJ/NX-series Machine Automation Controller
¿Qué significa 08490000 hex ?
The current flowing to the motor exceeded the protection level, indicating an excessive load or electrical fault. This can result in damage to the motor or Servo Drive if not addressed promptly.
Causas comunes
- Short-circuit, ground fault, or contact failure on the U, V, or W motor cable.
- Short-circuit on the wiring of External Regeneration Resistor.
- Insulation resistance failed between the U, V, or W motor cable and the motor ground wire.
- False detection due to noise.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Measure insulation resistance between motor phases U-V, V-W, U-W, and each phase to ground using a megger.
- 2
Inspect motor cables U, V, W for signs of damage, short circuits, or ground faults.
- 3
Check wiring of the External Regeneration Resistor for any short circuits.
- 4
Implement noise countermeasures on power and signal lines if noise is suspected.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Omron NJ/NX-series Machine Automation Controller