No, when connected directly tot the modem/router (or previously connected to the WiFi of the router, which is now switched off) the issue didn't occur.

I figured out that the issue is only happening when one of the kids is playing Fifa 19 on his PlayStation 4 on-line. Any known issues with PS4 games?

Current setup is very simple. The main Deco P7 is connected with wired etherenet to the modem/router from the provider on the first floor. The other two units are placed on the 2nd and 3rd floor and...

I've installed a 3-pack Deco P7 a few days ago in access point mode. I've noticed a few times already all units do have a red LED and the network is not functioning at all. Rebooting the units...