I’m having the same problem with a ring doorbell 2. I have 7 other cameras that all work fine but for the last month or more no motion activated recordings. I have checked all the settings. I have changed all the settings and it still doesn’t work. I’m not sure when this started doing it but it’s probably been a month or more and I hadn’t noticed as there are so many other events and this door isn’t used much if at all. I really don’t have time to sit on the phone with a CSR to fix it. I really wish WE the user could see the firmware version and initiate a update or roll it back. Or they would actually do something from a email description of the problem. I like ring but it really doesn’t let you get under the hood at all. I wish there was some sort of software based reset in the app that would reset the camera or in the alternative at least reboot the camera.
I hope yours is fixed and still working.