I have a Superhub 2ac and every day I must restart it to resolve a WiFi connection issue. I have called 150 and advised to reboot when this happens and carried out several hard resets via the small reset button. At current the router seems to give up and is constantly dropping WiFi connections with a power cycle the only way to regain WiFi connection. The fixed Ethernet ports don't seem to loose connection just WiFi only. Also when I called 150 was quoted a £50 charge for a new Superhub if this current one was found to not be faulty... Really I know it's not happy your website advised in the inclusives faults and repairs are free!
If it's only Wi-Fi that is being affected it is quite possible that you are suffering radio interference rather than there being anything wrong with the hub. I could be from a neighbouring user or some electrical appliance in your property. Have you tried changing the Wi-Fi channel? (Video tutorial top of this forum).
Yes I have changed the channel several times also used WiFi Scanner and WiFi analyzer to seek best options. After each power cycle the WiFi may remain stable for an hour or a day or so but will crash and or drop devices on a random basis daily
Welcome to our forum, I am sorry you are having problems with wireless stability, it can be so difficult to find the cause of these things. As Dave mentioned it is normally interference or perhaps comparability. I will send you a forum private message to discuss some account issues and perhaps order a new hub.
Thank you for getting back. I have sent you a new hub, please allow a few days for it to arrive and follow the accompanying instructions for activation. Please keep the thread updated, fingers crossed.
To build on Dave's reply in the light of the new hub being sent to you:
The usual reason why rebooting gets WiFi back is that the hub's WiFi settings, be AUTO, the reboot results in the hub choosing the least congested channels. It can get quite complicated though. If you've got the 2.4GHz band set int o 'NB' mode, then the two bonded channels may not be interference free. Also your neighbours will get into the same pickle and it's a merry-go-round.
To delve deeper, if as an experiment you switched off the 2.4GHz radio and you just worked for a while on 5GHz, does this still happen?