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303
DC module overtemperature
Fronius · Symo Advanced Manual
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The DC power module within the inverter has exceeded its safe operating temperature. This triggers a short-term interruption in energy feeding, and the inverter will then attempt to resume operation once the temperature drops.
Vanlige årsaker
- Restricted airflow to the inverter's cooling elements
- Accumulation of dust or debris on cooling air openings or heat sink
- High ambient temperature exceeding inverter specifications
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Purge the cooling air openings and heat sink to ensure proper airflow.
- 2
If this status code keeps recurring after cleaning, contact your system engineer for further inspection.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Fronius Symo Advanced Manual