SMA · Sunny Boy Inverters
There is no valid network signal on the connection line to the inverter.
Click steps to track your progress.
Ensure that the Ethernet network cable is not damaged and that both ends are securely plugged into the inverter and the network device.
Check that your DHCP server (router) and any network switches are powered on and signaling correct operation.
Try using a different network cable if available to rule out a faulty cable.
Restart your router and then the inverter.