Solar Monitoring App Offline? Troubleshooter
Usually it's the Wi-Fi, not the solar.
First check the inverter display itself. Work through one question at a time. You can go back or start over whenever you like.
Your answers so far
Safety: this troubleshooter is general information. Follow the maker's manuals. Any work on 240V AC wiring, the switchboard, or inside an inverter, isolator or battery cabinet must be done by a licensed electrician or your installer.