@Wayne-TP Thank you for the reply, in this case, it appears that the only route is to contact the support,

3 units of Tapo C420 Tapo Smart Hub H200 2 units of Tapo A201 Solar Panel and 1 unit of Tapo A200 Solar Panel. I am using it for 1 year now and I am not satisfied. The overall issue is, "Tapo C420...