@David-TP Thank you. ISP is LUS Fiber. I was able to install the firmware and all is work as it should for the moment. Will try the other trouble shooting items if the issue persists. It did go solid...

Setup Internet>mainDeco>switch>AP-Deco Seemingly every 24 hrs the Main Deco will go solid red stating "no internet". Can plug a laptop into the internet ethernet and have connection. Powering Main...