If in any case, you get a sign like the linksys velop node blinking red with your device, there will be some connectivity bugs. Basically, as the red light is a sign of something wrong, there will be some serious issues in the nodes. But, most probably, there will be a case like a weak or no connection between the primary and child nodes. If that is the case, then check the ethernet wires and ports of the nodes whether they are working or not. Also, check the gap between the nodes and make sure they are placed strategically at an appropriate distance.