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XFMR_TEMP_W

High Transformer Temperature (Warning)

SMA · SUNNY BOY 5000US-8000US Solar Inverter

Hva betyr 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.

Vanlige årsaker

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

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Check the function of the inverter's cooling fans.

Se alle koder i denne manualen (23)
Verifisert teknisk data. Sist oppdatert: March 2026

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