What does 'High discharge curr. > Check generator' mean on SMA SUNNY BOY 3.0?
This message indicates that the leakage current of the inverter and the battery is too high. Check the PV system for ground faults.
What does 'Reconnection fault grid' mean on SMA Inverter?
This message indicates that the changed country data set or the value of a parameter you have set does not correspond to the local requirements. Ensure that the country data set has been configured correctly.
What does 'Installation fault > Check connection' mean on SMA SUNNY BOY 3.0 Inverter?
This message indicates that a second line conductor is connected to N. Connect the neutral conductor to N.
What does 'PE conn. missing > Check connection' mean on SMA SUNNY BOY 3.0 Inverter?
This message indicates that the grounding conductor is not correctly connected. Ensure that the grounding conductor is correctly connected.
Why does my SMA SUNNY BOY 3.0 Inverter show 'DC overvoltage > Disconnect generator'?
This message indicates an overvoltage at the DC input. Immediately disconnect the inverter from all voltage sources. Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. If this message is repeated frequently, contact the Service.
What does 'Insulation failure > Check generator' mean on SMA SUNNY BOY 3.0?
This message indicates that the inverter has detected a ground fault in the PV array. Check the PV system for ground faults.
How to fix WLAN connection issues on SMA Inverter?
If you're experiencing issues with the WLAN connection on your SMA Inverter: * Make sure that the SSID, WLAN password, and encryption method have been entered correctly. * Verify that the WLAN router or WLAN Access Point is within range and functioning correctly. * If the issue persists, consider improving the WLAN connection by using a WLAN repeater.
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