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XFMR_TEMP_W

High Transformer Temperature (Warning)

SMA · SUNNY BOY 5000US-8000US Solar Inverter

¿Qué significa XFMR_TEMP_W ?

This warning indicates that a previous condition of high transformer temperature in the Sunny Boy SB50US-80US-IUS094030 has subsided, and the inverter has resumed operation. It serves as an alert to investigate the cooling system to prevent recurrence.

Causas comunes

  • Prior excessive transformer temperature.
  • Potential issue with cooling fan function.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check the function of the inverter's cooling fans.

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

Fallas relacionadas

Bfr-SrrMicro-controller Communication FailureDeratingInverter Output Power Reduction Due to High TemperatureEEPROMEEPROM Non-Essential Data Access Failure
Fuente: SMA SUNNY BOY 5000US-8000US Solar Inverter
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