Hi ....I have a Bernina and when I sew with the walking foot ...just recently...it lags...it doesn't flow through, it sews for a few stitches then stops and sews in the same spot. I checked both top and bottom thread which seemed ok but it still happened. I was doing a stitch in the ditch quilting on a baby quilt and it kept sort of getting caught but there was no thread to get caught on. I can't tell if it is the top or bottom that is lagging (or both) so I thought maybe the walking foot is shot. My friend gave it to me..it is an old walking foot because I had gotten an old Bernina. I had to stop (darn, I was almost finished and wanted to give it to a friend at work tomorrow). I put my regular sewing foot on to sew on some scrap fabric and batting to test it and that was fine.
I will bring it into the Bernina dealer but was wondering if it could be the walking foot is done.
Thanks so much!