I have an OC200 which was working okay via cloud and direct from the browser, setup two EAP245 APs and everything was working fine for a couple of weeks. We then had a power outage and when everything came back up the OC200 would not connect to the cloud (so inaccessible from the app or TP website) and going directly via the browser either returns the message "could not connect" or the OC200 starts to load, gets to about 55% and then disconnects with the message "could not connect" or "this page isn't working". I can then only get the OC200 webpage to try to load again if I physically disconnect and reconnect but then it only loads to 50% again.
The OC200 is currently on DHCP but have also tried on fixed IP. It's PoE via a Zyxel GS1900-HP and that's plugged into a Draytek 2860. I can successfully ping the IP from both the switch and router.
The EAP245's are working fine. I've tried a second OC200 with the same problem.
The OC200 is version 3.0.4 with firmware version 1.0.3 Build 20181016 Rel.33052
I've got the same setup in a residential enviroment with the same hardware except the router is a BT Hub (UK) and that works perfectly.
Any help appreciated or thoughts on what to try next or where I'm going wrong.