BERNINA Sewing Machine Keep Jamming Problems

If you own a BERNINA sewing machine, you may have experienced the frustration of having it jam up during a project. Jamming can be caused by a variety of issues, from thread tension to the type of fabric being used. Fortunately, there are a few steps you can take to help prevent your BERNINA sewing machine from jamming up. In this article, we’ll discuss the common causes of jamming and how to troubleshoot them.

Common Causes of BERNINA Sewing Machine Keep Jamming Problems

  • Thread tension too tight
  • Needle not inserted correctly
  • Needle not the correct size for the fabric
  • Bobbin not inserted correctly
  • Bobbin case not properly threaded
  • Bobbin case not properly seated
  • Feed dogs not lowered
  • Machine not properly lubricated
  • Machine not properly serviced
  • Incorrect stitch settings using the keyword BERNINA

Causes of BERNINA Sewing Machine Keep Jamming Problems

This article will provide an in-depth look at the causes of BERNINA sewing machine jamming problems and how to fix them. It will discuss common causes of jamming, such as thread tension, needle size, and fabric type, as well as more complex issues, such as machine maintenance and troubleshooting. Additionally, it will provide step-by-step instructions on how to resolve jamming issues.

Thread Tension Too Tight

Thread tension that is too tight can cause a variety of problems with your sewing machine, including skipped stitches, uneven stitches, and fabric puckering. If you have a BERNINA sewing machine, there are a few steps you can take to adjust the thread tension and get your machine back in working order.

Examples of Thread Tension Too Tight

  • Skipped stitches
  • Uneven stitches
  • Fabric puckering
  • Thread bunching
  • Thread breaking

Step-by-Step Instructions for Adjusting Thread Tension on a BERNINA Sewing Machine

  1. Turn the hand wheel on the right side of the machine until the needle is in its highest position.
  2. Locate the tension dial on the front of the machine. It is usually located near the needle.
  3. Turn the tension dial to the left to loosen the tension. Turn it slowly and in small increments until the tension is correct.
  4. Test the tension by sewing a few stitches on a scrap of fabric. If the tension is still too tight, repeat steps 2 and 3.
  5. Once the tension is correct, turn the hand wheel to lower the needle and you are ready to sew.
Adjusting the thread tension on a BERNINA sewing machine is a simple process that can help you get your machine back in working order. With a few simple steps, you can have your machine running smoothly again in no time.

Needle Not Inserted Correctly on a BERNINA Sewing Machine

When using a BERNINA sewing machine, it is important to ensure that the needle is inserted correctly. If the needle is not inserted correctly, it can cause a variety of problems, such as skipped stitches, uneven stitches, and fabric puckering. Fortunately, it is easy to fix this issue.

Step-by-Step Instructions for Correctly Inserting a Needle on a BERNINA Sewing Machine

  1. Turn off the machine and unplug it from the power source.
  2. Remove the needle plate cover.
  3. Loosen the needle clamp screw and remove the needle.
  4. Check the needle for any signs of damage or wear.
  5. If the needle is damaged, replace it with a new one.
  6. Insert the needle into the needle clamp with the flat side of the needle facing the back of the machine.
  7. Tighten the needle clamp screw.
  8. Replace the needle plate cover.
  9. Turn on the machine and test the needle.

Examples of Problems Caused by an Incorrectly Inserted Needle

  • Skipped stitches
  • Uneven stitches
  • Fabric puckering
  • Thread bunching
  • Needle breaking
If you experience any of these problems, it is likely that the needle is not inserted correctly. Follow the steps above to ensure that the needle is inserted correctly and that the problem

Needle Not the Correct Size for the Fabric

Using the wrong size needle for the fabric can cause a variety of problems, from skipped stitches to broken needles. It is important to select the correct needle size for the fabric you are working with. The BERNINA brand offers a wide range of needles for different fabrics and projects.

Examples of Needle Sizes

BERNINA needles come in a variety of sizes, from the very thin size 60/8 to the very thick size 110/18. The size of the needle is determined by two numbers, the first number is the European size and the second number is the American size. The higher the number, the thicker the needle.
  • Size 60/8 – Very thin needles for lightweight fabrics such as silk and chiffon.
  • Size 70/10 – Medium-weight needles for fabrics such as cotton and linen.
  • Size 80/12 – Heavy-weight needles for fabrics such as denim and canvas.
  • Size 90/14 – Very heavy-weight needles for fabrics such as leather and vinyl.
  • Size 100/16 – Extra heavy-weight needles for fabrics such as upholstery and canvas.
  • Size 110/18 – Very extra heavy-weight needles for fabrics such as canvas and heavy denim.

Step-by-Step Instructions for Selecting the Correct Needle Size

To select the correct needle size for your fabric, follow these steps: Determine the weight of the fabric you are working with. Lightweight fabrics such as silk and chiffon require a thin needle, while heavier fabrics such as denim and canvas require

Bobbin Not Inserted Correctly

When using a BERNINA sewing machine, it is important to ensure that the bobbin is inserted correctly. If the bobbin is not inserted correctly, it can cause the machine to malfunction and the stitches to be uneven or not form at all.

Examples of Bobbin Not Inserted Correctly

  • Bobbin is inserted upside down
  • Bobbin is inserted too far into the bobbin case
  • Bobbin is inserted too loosely
  • Bobbin is inserted in the wrong direction

Step-by-Step Instructions for Fixing Bobbin Not Inserted Correctly

  1. Remove the bobbin case from the machine.
  2. Check the bobbin to make sure it is inserted correctly. It should be inserted with the thread facing up and the bobbin should be inserted snugly into the bobbin case.
  3. If the bobbin is inserted incorrectly, remove it and re-insert it correctly.
  4. Re-insert the bobbin case into the machine.
  5. Test the machine to make sure it is working correctly.

Bobbin Case Not Properly Threaded

A bobbin case not properly threaded can cause a variety of issues with your sewing machine, including skipped stitches, thread bunching, and tension problems. Fortunately, it is a relatively easy problem to fix. Here is a step-by-step guide on how to properly thread a BERNINA bobbin case.

Step 1: Prepare the Bobbin Case

Before you begin threading the bobbin case, make sure it is clean and free of lint. You can use a soft brush or a can of compressed air to remove any debris. Once the bobbin case is clean, insert the bobbin into the case.

Step 2: Thread the Bobbin Case

Once the bobbin is in the case, you can begin threading it. Start by threading the thread through the tension spring. Then, wrap the thread around the bobbin case in a clockwise direction. Make sure the thread is pulled tight and that the tension spring is not too loose or too tight. Finally, thread the thread through the thread guide and pull it through the slot in the bobbin case.

Step 3: Test the Threading

Once the bobbin case is threaded, you should test it to make sure it is properly threaded. To do this, hold the bobbin case in one hand and pull the thread with the other. If the thread pulls smoothly and the tension spring is not too tight or too loose, then the bobbin case is properly threaded.

Step 4: Re-Thread the Bobbin Case

If the bobbin case is not properly threaded, you will need to re-thread it. Start by removing the bobbin from the case and then re-thread the

Bobbin Case Not Properly Seated

A bobbin case not properly seated is a common issue that can occur when using a BERNINA sewing machine. This issue can cause the machine to not stitch properly, or even not stitch at all. Fortunately, it is a relatively easy problem to fix.

Examples of Bobbin Case Not Properly Seated

  • The bobbin case is not properly aligned in the machine.
  • The bobbin case is not properly secured in the machine.
  • The bobbin case is not properly inserted into the machine.

Step-by-Step Instructions for Fixing a Bobbin Case Not Properly Seated on a BERNINA Sewing Machine

  1. Unplug the machine from the power source.
  2. Remove the bobbin case from the machine.
  3. Check the bobbin case for any damage or debris.
  4. Clean the bobbin case with a soft cloth.
  5. Reinsert the bobbin case into the machine.
  6. Make sure the bobbin case is properly aligned and secured in the machine.
  7. Plug the machine back into the power source.
  8. Test the machine to make sure the bobbin case is properly seated.
By following these steps, you should be able to easily fix a bobbin case not properly seated on a BERNINA sewing machine.

Feed Dogs Not Lowered on BERNINA Sewing Machines

Feed dogs are the metal teeth located underneath the presser foot of a sewing machine. They are responsible for moving the fabric through the machine as you sew. If the feed dogs are not lowered, the fabric will not move and the machine will not sew properly.

How to Fix Feed Dogs Not Lowered on BERNINA Sewing Machines

If your BERNINA sewing machine’s feed dogs are not lowered, you can easily fix the issue with the following steps:
  1. Turn off the machine and unplug it from the power source.
  2. Lift the presser foot and remove the needle plate.
  3. Locate the feed dog lever and move it to the down position.
  4. Replace the needle plate and presser foot.
  5. Plug the machine back in and turn it on.
Once the feed dogs are in the down position, you should be able to sew properly. If the issue persists, you may need to take your machine to a professional for further inspection.

Machine Not Properly Lubricated

When a sewing machine is not properly lubricated, it can cause a variety of problems. Sewing machines need to be lubricated regularly to ensure they are running smoothly and efficiently. Without proper lubrication, the machine can become noisy, slow down, and even break down. Here is a guide on how to properly lubricate a BERNINA sewing machine.

Examples of Problems Caused by Poor Lubrication

  • Noisy operation
  • Slower sewing speed
  • Thread breakage
  • Stitches not forming properly
  • Skipping stitches
  • Uneven stitches
  • Machine jams

Step-by-Step Instructions for Lubricating a BERNINA Sewing Machine

  1. Unplug the machine from the power source.
  2. Remove the needle plate and bobbin case.
  3. Clean the bobbin case and needle plate with a soft cloth.
  4. Lubricate the bobbin case and needle plate with BERNINA Sewing Machine Oil.
  5. Replace the bobbin case and needle plate.
  6. Lubricate the hook race with BERNINA Sewing Machine Oil.
  7. Lubricate the feed dog with BERNINA Sewing Machine Oil.
  8. Lubricate the tension discs with BERNINA Sewing Machine Oil.
  9. Lubricate the presser foot with BERNINA Sewing Machine Oil.

Machine Not Properly Serviced

When a machine is not properly serviced, it can cause a variety of problems. This is especially true for sewing machines, such as the BERNINA brand. Without regular maintenance, the machine can become unreliable and even dangerous to use. In this article, we will discuss the importance of servicing your BERNINA machine, as well as provide step-by-step instructions on how to do it.

Why Service Your BERNINA Machine?

Regular servicing of your BERNINA machine is essential for keeping it in good working order. Without regular maintenance, the machine can become unreliable and even dangerous to use. Servicing your machine will help to ensure that it runs smoothly and efficiently, and that it is safe to use. Here are some of the benefits of servicing your BERNINA machine:
  • It will help to extend the life of your machine.
  • It will help to ensure that your machine is running at its best.
  • It will help to prevent any potential problems from occurring.
  • It will help to ensure that your machine is safe to use.

Step-by-Step Instructions for Servicing Your BERNINA Machine

Servicing your BERNINA machine is a relatively simple process. Here are the steps you need to take to properly service your machine:
  1. Unplug the machine from the power source.
  2. Remove the needle plate and bobbin case.
  3. Clean the bobbin case and needle plate with a soft cloth.
  4. Check the tension of the bobbin case and adjust if necessary.

Incorrect Stitch Settings

Incorrect stitch settings can cause a variety of problems when sewing with a BERNINA sewing machine. These issues can range from skipped stitches, uneven stitches, and tension problems. Fortunately, these issues can be easily fixed by adjusting the stitch settings on the machine.

Examples of Incorrect Stitch Settings

  • Skipped stitches: This occurs when the needle is not properly set to the correct stitch length or width.
  • Uneven stitches: This occurs when the stitch length or width is not set correctly.
  • Tension problems: This occurs when the tension is not set correctly.

Step-by-Step Instructions for Fixing Incorrect Stitch Settings on a BERNINA Sewing Machine

  1. Turn the machine off and unplug it from the power source.
  2. Locate the stitch settings on the machine. On a BERNINA sewing machine, the stitch settings are located on the front of the machine.
  3. Adjust the stitch length and width settings. The stitch length should be set to the desired length for the type of stitch you are using. The stitch width should be set to the desired width for the type of stitch you are using.
  4. Adjust the tension settings. The tension should be set to the desired tension for the type of stitch you are using.
  5. Plug the machine back in and turn it on. Test the stitch settings by sewing a few stitches on a scrap piece of fabric.
  6. If the stitch settings are still incorrect, repeat steps 3-5 until the desired stitch settings are achieved.

Tips for Preventing Upper Thread Breaking Problems on a BERNINA Sewing Machine

Check the Thread

  • Ensure that the thread is the correct type and weight for the fabric being used.
  • Check that the thread is not frayed or tangled.
  • Make sure the thread is properly loaded in the machine.

Check the Needle

  • Ensure that the needle is the correct size and type for the fabric and thread being used.
  • Check that the needle is not bent or damaged.
  • Make sure the needle is properly inserted into the machine.

Check the Tension

  • Adjust the tension dial to the correct setting for the fabric and thread being used.
  • Check that the tension is not too tight or too loose.
  • Make sure the tension is properly adjusted before beginning to sew.

Check the Bobbin

  • Ensure that the bobbin is the correct type and size for the fabric and thread being used.
  • Check that the bobbin is not frayed or tangled.
  • Make sure the bobbin is properly loaded in the machine.

Regular Maintenance

  • Clean the machine regularly to remove lint and dust.
  • Oil the machine regularly to keep it running smoothly.
  • Check the machine for any loose or broken parts

10 Common Problems with BERNINA Sewing Machines

In addition to the problems already mentioned in this article, there are a few other issues that can arise with BERNINA sewing machines.
  1. Stitch Problems
  2. Sewing Machine Parts Problems
  3. Upper thread breaking
  4. Breaking needles problems
  5. Bobbin winding problems
  6. Bobbin thread problems
  7. Bobbin holder problems
  8. Bobbin tension problems
  9. Tension problems
  10. Sewing machine not feeding fabric
These are just a few of the potential problems that can arise with BERNINA sewing machines. If you experience any of these issues, it is important to contact a qualified technician for assistance.

FAQ

What is Keep Jamming?

Keep Jamming is a feature on BERNINA sewing machines that allows you to keep sewing even when the machine jams. It will automatically adjust the tension and stitch length to keep the fabric moving smoothly.

What causes a sewing machine to jam?

Sewing machine jams can be caused by a variety of factors, including incorrect thread tension, incorrect needle size, incorrect stitch length, incorrect fabric type, or incorrect needle position.

How do I prevent my sewing machine from jamming?

  • Make sure you are using the correct thread tension.
  • Use the correct needle size for the fabric type.
  • Set the stitch length correctly.
  • Choose the correct fabric type for the project.
  • Make sure the needle is in the correct position.

What should I do if my sewing machine jams?

If your sewing machine jams, first try using the Keep Jamming feature. If that doesn’t work, you may need to adjust the thread tension, needle size, stitch length, fabric type, or needle position. If the problem persists, you may need to take your machine to a professional for servicing.

Conclusion

BERNINA sewing machines are reliable and durable machines that can last for many years. However, like any machine, they can experience problems from time to time. Jamming is one of the most common issues that can occur with a BERNINA sewing machine. Fortunately, there are a few steps you can take to help prevent and fix jamming issues.
  • Regularly clean and oil your machine.
  • Check the tension settings.
  • Check the needle size and type.
  • Check the bobbin and bobbin case.
  • Check the feed dogs.
By following these steps, you can help ensure that your BERNINA sewing machine runs smoothly and without any jamming issues.

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