Your inverter is connected to the internet either via a D-Link or a TP-Link
If no changes were made to your internet (internet provider or password) and the lights on your D-Link or TP-Link are not green, unplug it from the outlet for 10 seconds before plugging back in. If this does not fix the issue, please utilize the below guides.
To re-connect your system to the internet with a D-Link, please follow the D Link re-Connection Guide
To re-connect your system to the internet with a D-Link, please follow the TP Link Connection Guide