on 30-11-2022 11h19
30-11-2022 11h23 - edited 30-11-2022 11h24
It won't be your firewall preventing it. Try turning off the 5Ghz wifi temporarily until inverter connected and then restore it once it has.
Much better to connect it via Ethernet cable in any case.
on 30-11-2022 11h32
No Ethernet available already switched off 5g no better app says dongle connected but inverter off line
