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305

No power being fed in, despite closed relay

Fronius · Symo Advanced Manual

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The inverter's internal grid relay is closed, indicating an attempt to feed power, but no energy is being supplied to the grid. This leads to a short-term interruption, followed by the inverter resuming its start-up routine.

Häufige Ursachen

  • Internal fault within the inverter's power stage preventing power generation
  • Measurement error in the power output detection circuitry

Reparaturschritte & Checkliste

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  1. 1

    If this status code keeps recurring, contact your system engineer for diagnosis.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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