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8003

Active power limited derating

SMA · Sunny Boy Solar Inverter

¿Qué significa 8003 ?

The inverter has reduced its power output for more than ten minutes due to excessive internal temperature. This derating is a protective measure to prevent damage from overheating, impacting power generation capacity.

Causas comunes

  • Accumulation of dirt or debris on the cooling fins or air ducts, impeding heat dissipation.
  • Insufficient ventilation around the inverter enclosure.
  • Ambient temperature exceeding +40°C.
  • Inverter exposed to direct solar irradiation, increasing internal temperature.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush.

  2. 2

    Verify the inverter's installation location ensures sufficient ventilation.

  3. 3

    Measure and confirm the ambient temperature does not exceed +40°C.

  4. 4

    Ensure the inverter is not exposed to direct solar irradiation.

Ver todos los códigos en este manual (23)
Datos técnicos verificados. Última actualización: March 2026

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