Error code
SMA All models code 405
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Meaning
Ext grid disconnect due to undesired island grid Unintended stand-alone grid is present at connection AC2 of the Sunny Island at line conductor Lxx. Corrective measures: Ensure that the insulated wires at connection AC2 are securely connected and that the conductors in the terminals are free of insulation. Corrective measures for a generator: Implement control of the contactor via a Sunny Island multifunction relay. To do so, set the parameter Operating mode of multifunction relay to Automatic generator request. Set the parameter Sensitivity of generator failure detection to a lower sensitivity level. Corrective measures for a utility grid: Contact the Service ( > Contact)
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Address of this page: https://www.remfixit.com/tr/sma/tum-modeller/405