Ground fault on ungrounded terminal of PV array

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A ground fault has been detected on the ungrounded terminal of the PV array. This is a critical safety issue and will cause the inverter to stop feeding power until the disturbance is acknowledged and rectified.

• Ground fault in the PV array on the ungrounded side.

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   Check the PV array for ground faults using an insulation resistance tester. Pay special attention to the ungrounded terminals.