Why is My Sewing Machine Jamming?

sewing machine keeps jammingImagine it’s a day off from your office, and you decide to spend it doing something productive.

You sit down with your machine and all the accessories you need, and boom!

The machine suddenly jams without you having a clue about it.

How would you feel? It’s very annoying, and you feel like you’ve wasted your money on some junk. Well, don’t worry, even the best machines out there face the issue of jamming.

There can be various reasons. But if you take a good look, getting out of it isn’t rocket science. So, make sure you give this article a thorough read so you’ll also be able to fix your machine up!

There Can Be Various Reasons!

You need to understand this first. There isn’t a single reason your machine might get jammed. So, you need to have some patience and check for different possibilities.

Let’s see the grounds, one at a time.

1. Tension

When this happens, most people think that the bobbin has gone wrong.

However, this is not true as a perfectly functional bobbin might cause jamming only due to a lack of tension on the upper thread.

What happens is that the machine doesn’t get enough yarn to pull it up through the fabric, resulting in a jamming situation. Or the uneven winding of the thread on the bobbin.


Well, the solution here is pretty obvious. You have to adjust the tension and increase it until it reaches a proper threshold amount.

Make sure the thread isn’t hanging loose. I would, however, suggest you do the bobbin again as well, as the uneven winding may be the issue as well.

2. Needle

This is the second most often reason for the machine jamming up. It is something that is quite clearly observed.

It doesn’t take a very keen person to spot a deformed or a broken needle.

The issue here is that when the needle is damaged or bent a little, it won’t go through the fabric in a very smooth way, and as a result, it might jam.


Although you don’t need to inspect the needle to see if it’s broken and it would be pretty easy to spot it, make sure you put some stress on the possibility of this issue whenever you face a jamming issue.

Even if the needle is very slightly damaged, make sure you replace it.

Even if it doesn’t cause jamming, it will mess up your job, and your patterns might come off as tangled or incorrect due to this.

3. Thread Quality

The more the quality, of the thread, is down, the more the chances of knots forming in it. You should always make sure you buy the best quality thread if you need your machine to last long.

However, even if you end up buying something cheap, you should know it if you frequently face the issue of jamming.

Not only do low-quality threads make knots in the fabrics, but they also shred a lot, creating further problems.


Don’t hold back your budget while buying the thread for your projects. Make it the top priority as the thread is the primary reason for good results in the end.

4. Fabric

Not every machine is meant to deal with all types of fabrics.

Some fabrics are thin while some are thick. Most machines will easily handle the Thin to typical thickness kind of clothes.

However, for the thicker ones, you might need to have particular or at least better equipment.

Your daily sewing machine will not have an easy time handling the thick fabrics. So, make sure you use your sewing machine with what it’s designing for that.

Otherwise, it will cause jamming and many other problems.


Here, you, need to make sure that the fabric you are using in sewing sits well with your machine. Your machine should not be underpowered for the cloth and should design to deal with it.

If you ensure this, I assure you there will be no problems while sewing if your equipment doesn’t have any issues.

5. Feed Dogs

If you don’t already know, feed dogs are the part of the machine responsible for pulling the fabric along while you are sewing.

Sometimes, if you don’t use your machine regularly, there can be some debris stuck into the feed dogs, which stops them from functioning normally.


First off, you need to make sure that the feed dogs are positioning at the correct place, where they are supposed to be.

If you don’t know where they should be, you can see the manual of the machine. And see if, those are placing well.

After this, if they’re still malfunctioning, check if there is dirt accumulated on the body and clean it up a little.

Lastly, sometimes the presser foot is placed on a lower level as compared to the feed dogs. That also causes the machine to jam once.

So, you can check this as well if the other things don’t work. Hopefully, fixing this will solve the issue of jamming.

Some Other Possible Issues

Different sewing machine models have different settings.

Sometimes, if you are not following the manual that comes with the machines, you might be missing something important, which is causing the jamming issue.

So, make sure you always check the manual while setting up your machine, even if you’re not a beginner.

That will ensure the proper settings and save up your time, which could be wasted due to jamming or other issues with the machine while it is functioning.


While sewing is a very productive and sometimes very important job, it can be pretty annoying to get stuck in jamming problems.

Not only do they take away the fun of sewing, but they also stop you from being productive in your free time.

So, make sure you follow this article properly so you can solve your current sewing problems and stay away from them in the future as well.

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