All of a sudden no power.

my ring pro doorbell has been installed for approximately 6 months with no connectivity issues. Today it appears the doorbell is not working. The ring app says the voyage is good, however no lights illuminate on the doorbell and no r3cording is happening. I have performed troubleshooting of the power and the power does not appear to be the problem. I’ve pressed the button on the right of the doorbell, but it’s not connecting. I think the doorbell