Generation 2 - CAN connect to Wifi - CANT connect to Rachio AWS cloud

Troubleshooting Wi-Fi
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I think I have the exact same issue here…
Can you have your tech to take a look, @franz ? My RouteThis code is EZZXH3A5.
I am using TP-Link APs on mesh network. connected to a 2.4G ONLY network…

Thanks !