Originally Posted by
IrishNY
I have two Berninas. I've only sewn on Berninas for 20 years and I've never had a problem with my tension, even after letting a machine sit for several years. I would have a repairperson look at it before switching to another machine. My machines have given me nothing but top quality stitching on every type of material. I hope you get to the bottom of the problem quickly.
I have been sewing on my Bernina for over 40 years and it has been wonderful. I admit, though, that I have not done the servicing with the professional that is recommended, but I HAVE kept it oiled, etc. I would try having it serviced and just see if that helps. Berninas are wonderful machines.