Question about Janome 8080 Computerized Sewing Machine

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Thread knots up under the feed dog plate error LO - I removed the plate, cleaned and replaced the bobbin holder and it still is jamming.

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No but I will be taking it to a Janome authorized repair shop and pay them thanks anyway. G

Posted on Feb 09, 2010

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1 Answer

Machine jammed and now the bobbin wheel will not turn or catch the thread


By jammed do you mean thread jam? Have you removed sew plate and checked under feed dogs and bobbin for tangled thread and lint build up?

Mar 30, 2017 | Sewing Machines

1 Answer

A thread is caught in the bobbin apparatus. Took bobbin case out and machine is still jammed. Can I take it apart and get the threads out? What to do...


Only thing is to remove the bobbin, bobbin holder if you can, the feed dog cover plate, and then, using a magnifying lamp and a fine pointed pair of tweezers, try and locate the bits of cotton and pull gently out while rotating the hand wheel slowly, rocking it back and forth. Use an air blaster can to blow fluff out, clean, and oil. Including inside the bobbin case.

Feb 26, 2017 | PfaFF Sewing Machines

2 Answers

My bobbin case is stuck and wheel won't turn on my singer confidence achine


loosen the needle and see if you can turn the hand wheel , either direction , if so I would suspect it got out of time some way .

Jan 28, 2016 | Singer Sewing Machines

1 Answer

My machine is not catching the thread around the bobbin holder


It sounds like you have a thread jam. Depending on the machine there may be lever that will release the bobbin shuttle, and another 2 levers to release the cover plate. Pay attention to positioning so you can put it back together. Remove the shuttle, then the bobbin cover and see if there are any knots of thread getting in the way.

Oct 05, 2014 | Sewing Machines

1 Answer

My Kenmore Sewing Machine's needle is locked down


best suggestion try inserting new needle. cotton up the top suggests needle problem or incorrect top thread tension, this would effect the feed dog. Because thread is black and most recent use was with pink, the problem thread was already there perhaps in cavity above bobbin but below throat plate. I have had this happen and nothing will move, untill needle released. The bobbin holder tension may also need adjusting after the knots of black cotton are removed.

Nov 07, 2013 | Kenmore 15516 Mechanical Sewing Machine

1 Answer

Elna Supermatic 1960's/cream and blue. The machine is jammed. Hand wheel will turn backwards but not forward. I pulled some quilting thread out out the bobbin area, but didn't fix problem. ...


There may be threads jammed up in the bobbin holder area causing the jam. But removing the inner bobbin holder is a bit tricky if you haven't done it before. There are two little screws holding the silver inner down onto a black ceramic piece (inner guard ring), and you need to get these lined up the right way to get the bobbin holder back into position afterwards.

I would suggest that you join the Yahoo group Elna Heirlooms, then check out the files and photos loaded up by other members who work on their Elnas.

You shouldn't need to remove the feed dogs, just give them a clean with a little brush. But internally the machine may need a good clean and lube and without a service manual or good guide this can be challenging.

If you go this link http://www.arizonaexpressionz.com/elna_service_manuals.html you can down load the manual for this machine, the Star Series SU. Go to page 7 of the first part to see about removing the bobbin holder and inner guard ring.

It is a case of lining up the cut out of the black plate to the front, then putting the bobbin holder on top with the little arms facing front also, then replacing the two screws.

I'd suggest you take photos with a digital camera before you start to help you get it back in the right way.

I hope this helps you with the Supermatic, did you get the discs and accessories with it too? lovely Swiss quality machine with great stitching so if you can't get it unjammed, you may wish to find an experienced Elna Technician to take a look.

White Sewing Center stock lots of parts for these machines too, www.whitesewingcenter.com

Jun 08, 2011 | Elna 1010

1 Answer

The thread jams in the hook area. I've removed it according to the manual and it still jams.


change the needle
clean under the needle plate where the feed dogs are for lint
clean the bobbin are for lint or loose threads
check the thread tension-usually 3 or 4 is good
rethread the machine top thread & bobbin
some machines jam when the thread come off the thread take up lever--I have to watch my mechanical sewing machine for that problem

Nov 23, 2010 | Singer 1725

1 Answer

Thread is knotting up under the feed dog plate getting error LO.I tried removing the plateand cleaning and replaced bobbinholder and it is still jamming. is there supposed to be any play in the bobin...


It should move a little so the thread has clearence. If the thread is bunching underneath, it usually means the thread's not in the take-up lever or top tension is too loose. If you're needle has hit the bobbin case and created needle marks, the thread can get caught... in which you'd need to replaced the bobbin case.

Feb 23, 2010 | Janome 8080 Computerized Sewing Machine

2 Answers

I need help in adjusting the feed dogs, they messed up when I adjusted the timing for the needle and bobbin.


When the sewing machine is properly timed, all the parts work together in a seamless flow of coordination. The needle moves from it highest point down toward the needle plate. The feed dogs reach the farthest point toward the back of the sewing machine. The feed dogs drop under the needle plate. This is just before the needle point reaches the needle plate. The needle continues to move down dragging the upper thread under the needle plate. It proceeds toward its lowest point.
The needle begins its rise back up. A loop of thread forms along the back of the needle. A special cut out on the back of the needle to accommodate this loop is called the scarf. The sewing machine hook slides behind the needle. The point of the hook slides into the thread loop and pulls the thread around the bobbin. The bobbin thread and upper thread wrap together. The needle and hook proceed through their actions under the needle plate. The feed dogs move under the needle plate from back to front.

The needle proceeds to rise again up out of the bobbin area exiting the needle plate. At the same time the feed dogs rise up out from under the needle plate. They begin to move from front to back as the needle continues to rise.
The thread from the bobbin flows through a bobbin tensioner providing resistance to the thread as it is drawn up by the upper thread knot. The upper thread is also under tension. This comes from the upper tension, thread guides, tension spring, and sewing machine take up lever.
The thread from top and bobbin grow increasingly tighter until they form a locked stitch in the middle of the fabric. This process is repeated for every stitch.
How do you adjust sewing machine timing?

The needle, hook, and feed dogs must move in harmony. If they fail to do so, the machine will not perform as expected. When the hook is just slightly out of time with the needle, you will notice skipped stitches. This may begin on only one side of the zig zag stitch or intermittently. If the timing is just a bit more out of sync, stitch formation will become impossible.
If the feed dog timing is out of sync, the fabric will not move through the machine as expected. Threads may bunch up or the fabric may just not move.
As you can see, timing is everything.
click on this link directly
http://www.fixsewingmachines.com/How-to-Adjust-Sewing-Machine-Timing.html

This will help. Thanks please keepupdated.please do rate the solution positively .thank you for using fixya


Jan 29, 2010 | Sewing Machines

3 Answers

Fabric not feeding and jamming occurs


When this happens it is because the thread tension was not right so it gets stuck under the bobbin case and the feed dogs. Use a bigger lint brush and take out the bobbin casing and clean out the shuttle. When you rethread pull slightly on the thread before you feed it through the needle. This will make sure the thread is properly in the tension discs.

Jun 13, 2006 | Kenmore 19233 Computerized Sewing Machine

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