Changed all my network and got rid of all fixed lines, Extension modems etc. connection installing 4 DECO M9 Stations and one DECO X204g  connection.

SO far so good

But i Do have a SolarEdge SOLAR old inverter that needs to connects to internet.

Did connect my laptop with an ethernet cable with the Access point

Did reset the Access point 

COnfigured it as Access point

Enabled SSID

Client mode

Did run the Survey and  connected it to the primary DECO router 

and then a

I Did connect it with an ethernet Cable to  access point TL WA500G V1

inverter is not connedcting to internet

i connected  again the ap to the laptop with a cable immitating the inverter setup, and then i disabled the wireless card of the laptop but laptop is not connecting to the internet.

SO any ideas,

the wireless network has a username and a password but i was never asked to enter the password.

ANy ideas??

So setup is

 INVERTER ----->.(Wired) AP (Client mode)----(Wirelss)> DECO