Randomly, two of my three Deco S7 units starts to show a red light and when it happens my connection goes down. Once in a while the same happens with my main unit. What have I done to try to resolve t

Hello, So for the past week my network dropped speeds from 500mbit/s to below 90mbit/s. My deco network claim something is wrong with my WAN connection. But when I connect my PCs directly to my WAN I