I believe this can happen after an update. Try a pin hole reset.
Tudor There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2
Thanks for posting and welcome to the community. Sorry to hear of the issue with the hub. I've checked the system and can see you had a tech out to replace this hub for you. Hope everything is now fixed, let me know if you need further assistance.