@Kevin_Z Thanks for your reply. That's the thing, when the exclamation point appears sometimes the connection is ok but very slow and other times noninyernet at all. Checked on the app and it just...

Deco m5 installed. 3 pieces. Main deco connected directly to router cat5e 10 meters. Second deco connected to first cat5e 50 meters, third deco connected to second wireless. System has worked great...