My Bernina Activa 140 (12 yrs. old,first time to have any trouble with it) has stopped stitching properly. The top thread looks normal but underneaty(the bobbin thread I guess) is just giant loops an
Almost every time this will be due to the machine being not threaded correctly. I've been sewing for 45 years and still mis-thread my machine occasionally. It's also possible that the bobbin thread didn't seat quite right when you put in the bobbin. Or, I've had mine do that if I didn't quite get the presser foot lever down completely. (working with heavy fabrics usually)
If that is not the case here, try replacing your needle with a new one, as it might have developed a small burr, and be certain that it's the correct needle for the fabric. Sometimes it can also be that the needle is in backwards. Also, cleaning it, (the bobbin area), out thoroughly by using a soft brush and some canned air can do wonders for it. Then use a drop or two of sewing machine oil where your manual indicates it to go in that area.
If none of that fixes the problem, let me know and I'll see if there is a problem specific to your machine that can happen.
Happy Sewing! :)
Oct 27, 2012 |
Bernina Activa 140