Chime making grinding sound after doorbell rung

We installed our Ring after moving into our newly built house. It worked fine for about 6 months, but lately when the bell is rung the chime will sound normally at first and then gets stuck on a grinding sound. It eventually stops, but happens each time the bell is rung. We assumed the chime was defective and submitted a request for the builder to fix. When electricians came out they tried several things. When the removed the Ring bell and used the original push button, the chime worked perfectly. They said there could be something wrong with the Ring but since they didn’t install they couldn’t fix it.