Originally Posted by jcrow

I also have the Bernina 830 and for the first 2 years had many problems with it. Felt I was ripped off. Then I started using Gutermann cones and my machines runs like a dream. No more problems. It doesn't like the spools. I ordered a couple of different brands of cones to try and hopefully they will work well, also. But it was just the thread all along. I am one happy camper now!!!