Safety cut-out via option card or RECERBO has triggered

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An external safety device, such as an option card or a RECERBO unit, has activated a safety cut-out. This indicates a critical fault condition that requires the inverter to stop feeding energy into the grid.

• External safety device detected a fault condition (e.g., overcurrent, overvoltage, ground fault)
• Malfunction or incorrect wiring of the option card or RECERBO unit

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