So check if the thread is properly going through the tension disks. You can have a broken needle tip somewhere in the bobbin area. If you pull the fabric instead of guiding it through the feed dogs as you sew then the needle can bend leading to all sorts of sewing machine problems. 7. Finding Replacement Parts for Janome Sewing Machine? Ready to take the next step in your sewing journey? Don’t sew with the presser foot up. If it is computerized, you may have a bad chip or sensor. 4. This is a common problem with computerized machines, it seems. The most likely reason for thread bunching, in this case, is lint, that built up inside your sewing machine. I took the side off where the flywheel is and the top off the machine (just a two screws) and moved the bobbin winder back and forth to see what was happening with that sensor. I have had the same problem as you. Look at your plastic bobbin if it has some kind of crack or damage in it or if it is out of proper round shape. Then a bit more. ThriftyFun is powered by your wisdom! If the thread is not smooth, is uneven, has knots, or is very loose on the bobbin, it has not been threaded correctly. If the thread has knots and loose fibers coming out change the thread. On the screen it says "Bobbin Winding" and no matter what buttons I press or if I turn it on or off it won't let me do the actual sewing because it's on bobbin winding mode. Re-install the bobbin if necessary. But after this, my bobbin winder stopped working so I had to go to a sewing repair shop because I was unable to successfully fix the issue. There could be several reasons why your bobbin and the bobbin case will not stay in the machine (if you have a top-loaded machine). I like it. The most common reason for birdnesting is the needle tension. 2. from $72.75, 1 new However my sewing machines keep amazing me, I keep finding new problems almost constantly so this is not a complete list. 5. Try a different thread, low quality thread can do that as well. Pull both threads to the back or reverse the bobbin and needle. Solution A: Double-check that your machine is threaded properly. Your thread tails are too short: if the thread tails coming out of your bobbin and needle are less than two inches long, they may get pulled into your sewing machine when you begin to sew, causing thread bunching. Remove all the cut thread bits, open the bobbin holder cover making sure nothing is left in the bobbin case or around it. So clean your machine regularly and thoroughly. Verify if your bobbin is threaded and inserted correctly. After finding disjointed information all over the net about a problem with my sewing machine (abovementioned), I decided to put some clearer instructions right here…right now! As an Amazon Associate I earn from qualifying purchases. So, here’s the problem. from $26.02, 1 used from $16.29, 1 new Use a special brush or a small (but powerful) vacuum cleaner to remove the tiny bits of lint. I have an older vacuum model, corded; there are cordless alternatives now, they are much easier to use. Verify if your needle is threaded correctly. The first is that you put the needle backward. The message was displayed after I got my machine back from the technician who replaced my backlit display. Support my site! 11. If the timing is out, the needle thread is not meeting the bobbin thread in time to form a stitch.