Ring Video Doorbell 2 Stopped Charging

I have had a Ring Video Doorbell 2 installed at my house for just over 3 years. It has recently stopped charging the battery from the hardwired connection. To my knowledge, nothing with my setup has changed. When I open the app and go to device health, the Power Source is listed as Hardwired, the firmware is up to date, and the health report says it has a clean bill of health. On the device page in the app, at the top right the battery icon is green with a lightning bolt over the battery icon which I believe means that it is charging. The battery charges just fine when I remove it from the doorbell and plug it in to a USB cable. The doorbell is connected to my existing (not Ring brand) chime and that is still working properly. I've made no adjustments to WiFi power/location (signal strength stays between RSI - 50 and 55), and I've not taken the camera off the wall or adjusted wiring. It has been untouched since install. Is there something I might be missing or that I should change/test? Thanks!