I have a Hub H100 that links my S220 light switch.  One of the switches is on a schedule and the other is not.

For some reason, the one on the schedule stopped working - fix was to reboot the hub - all good.

Now neither switch works.  If I use the app to turn on or off either light, the switch just clicks and no lights come on. I cannot even manually use the switch to turn the lights on or off.

I've had no low battery warnings and the light on the hub is blue.  The app also allows me to check the firmware so they have access to the internet

Any ideas?  Had these for 10 months and have been wokring fine up until this week

Thanks