DC component measured in the grid too high

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The inverter has detected an excessive direct current (DC) component being injected into the alternating current (AC) grid. This indicates a potential internal inverter fault and can be problematic for grid stability and other connected equipment.

• Internal fault in the inverter's DC-AC conversion stage
• Malfunction of the DC injection monitoring circuit

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   If this status code is displayed all the time, notify a Fronius-trained service engineer.