Just got a pair of new DECO M9's. Firmware 1.3.0.  They are running in access point mode. Modem/router is Xfinity Xfi cable modem. Deco's initialy booted up as router then I switched them over to AP mode.  WHen up and running (green light) they are fast!  I ham on 300Meg internet tier and get all the bandwidth plus more.

Each is connected off an Actiontec Moca bonded 2.0 adapter in 2 rooms via ethernet so it's ethernet backhaul.  The 2nd port on the M9's go to switches.  (Tried it the other way moca ethernet-> to switch->switch to M9's and have same issue).  (Previously had DECO-M5's in same config and they worked fine).

What is happening is they are both working 100% then I go away for a few hours and when I return both have solid yellow lights.  I have to reboot them to come back to green.

Any thoughts?  What is the proper way to initially set them up in access point mode?  The only way I could think of  was to initiialize in router mode then change to AP then add the 2nd one.  I may purchase a 3rd on and put it in router mode but for now it has to stay as AP.