I have had My CPE210 installed successfully for a few years, but it suddenly stopped working, saying the AP password was not correct. I am trying to set up the CPE210 again but I can not log into the

I have internet via an Antena and I have 3 zones where I want to add internet routers. Each zone has 30meters of cable between the routers. I have been trying all day to get them to work.. they work f