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304
AC module overtemperature
Fronius · Symo Advanced Manual
¿Qué significa 304 ?
The AC power module within the inverter has exceeded its safe operating temperature. This causes a short-term interruption in energy feeding, and the inverter will then attempt to resume operation once the temperature drops.
Causas comunes
- 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
Pasos de reparación & Lista de verificación
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- 1
If this status code keeps recurring, contact your system engineer for diagnosis.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fronius Symo Advanced Manual