I have a problem with my doorbell, and it's driving me insane. A couple of weeks ago I decided to fix our doorbell, one that has not worked for a very long time (decades).
I replaced the grommets that go on the tone bars. I cleaned the plungers and everything. It worked just fine, until about a week ago. Sometimes it will ring, sometimes it's very quiet, sometimes it doesn't ring at all, and sometimes it will do a short ring (the ring doesn't last very long, like it used to).
Also, it is about 40 years old.
Another thing, the switch is rated at 16V, and I'm using an 18V doorbell, could this cause the circuit to not complete properly?
Here is a picture of it (cover removed)
I thought by putting hot glue on the grommets would help, but it didn't. The pic shows the glue, but now it is removed.