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Brother SM3701 Common Problems and Troubleshooting

If you own a Brother SM3701 Sewing Machine and are experiencing issues, you’re in the right place. This article aims to address common problems and provide troubleshooting tips specifically for the Brother SM3701 model. Brother is a well-known manufacturer of sewing machines, known for their quality and user-friendly features.

Brother SM3701 Sewing Machine Overview

The Brother SM3701 Sewing Machine is a 37-stitch mechanical sewing machine that offers a full range of user-friendly features. It is designed for both beginners learning to sew and more advanced sewers seeking versatility.

With 37 built-in stitches, including decorative, blind hem, zigzag, and quilting stitches, as well as an automatic one-step buttonholer, this machine allows for a wide variety of creative projects.

Product Details

Machine TypePortable Mechanical Sewing Machine
Assembled Product Weight12 lb
ModelSM3701
Assembled Product Dimensions (L x W x H)5.80 x 5.86 x 15.30 Inches

Causes of Common Problems with the Brother SM3701 Sewing Machine

Before diving into specific problems and their solutions, let’s first understand the common causes of issues that may arise with the Brother SM3701 Sewing Machine. By identifying these causes, we can troubleshoot more effectively and address the root of the problem.

  1. Thread Breaking During Sewing

    Description: The thread keeps breaking while you are sewing with your Brother SM3701 Sewing Machine.

    Cause:

    • The thread tension is too tight.
    • The needle is damaged or bent.
    • The thread is old or low quality.

    Troubleshooting:

    1. Check the thread tension settings and adjust if necessary.
    2. Replace the needle with a new one.
    3. Use high-quality thread suitable for your project.

  2. Skipped Stitches

    Description: The Brother SM3701 Sewing Machine occasionally skips stitches while sewing.

    Cause:

    • The needle is not inserted correctly.
    • The needle is dull or damaged.
    • The machine is set to a high sewing speed.

    Troubleshooting:

    1. Ensure the needle is inserted properly, with the flat side facing the back.
    2. Replace the needle with a new one.
    3. Reduce the sewing speed to avoid skipping stitches.

  3. Uneven Stitch Length

    Description: The stitch length is inconsistent or uneven when using the Brother SM3701 Sewing Machine.

    Cause:

    • The stitch length setting is incorrect.
    • The fabric is not fed evenly.
    • The machine needs cleaning and lubrication.

    Troubleshooting:

    1. Adjust the stitch length setting to your desired length.
    2. Ensure the fabric is guided evenly while sewing.
    3. Clean and lubricate the machine according to the instruction manual.

  4. Machine Jamming

    Description: The Brother SM3701 Sewing Machine gets jammed and stops during sewing.

    Cause:

    • Thread or fabric is caught in the machine’s moving parts.
    • The needle is hitting a part of the machine.
    • The bobbin area is not properly cleaned and maintained.

    Troubleshooting:

    1. Turn off the machine and carefully remove any tangled thread or fabric debris.
    2. Check the needle position and make sure it is not hitting any other parts.
    3. Regularly clean and maintain the bobbin area, removing lint and debris.

  5. Bobbin Thread Tension Issues

    Description: The tension of the bobbin thread is not balanced with the top thread on the Brother SM3701 Sewing Machine.

    Cause:

    • The bobbin thread is wound unevenly.
    • The bobbin case is not correctly inserted.
    • The bobbin tension needs adjustment.

    Troubleshooting:

    1. Ensure the bobbin is wound evenly and inserted correctly into the bobbin case.
    2. Adjust the bobbin tension using the appropriate screw or mechanism.

  6. Needle Threader Not Working

    Description: The automatic needle threader on the Brother SM3701 Sewing Machine is not functioning properly.

    Cause:

    • The needle threader mechanism is misaligned or damaged.
    • The needle is not positioned correctly for threading.

    Troubleshooting:

    1. Check the needle threader mechanism for any misalignment or damage and repair if necessary.
    2. Ensure the needle is positioned correctly for the threader to engage properly.

  7. Noisy Operation

    Description: The Brother SM3701 Sewing Machine is making unusual or excessive noise while sewing.

    Cause:

    • The machine is not properly lubricated.
    • There is debris or foreign objects in the machine.
    • The machine is not set up on a stable surface.

    Troubleshooting:

    1. Lubricate the machine as instructed in the manual.
    2. Thoroughly clean the machine and remove any debris or foreign objects.
    3. Ensure the machine is placed on a stable and level surface.

  8. Buttonhole Not Forming Correctly

    Description: The automatic buttonhole feature on the Brother SM3701 Sewing Machine is not creating proper buttonholes.

    Cause:

    • The buttonhole foot is not attached correctly.
    • The buttonhole size or type setting is incorrect.
    • The fabric is not stabilized or prepared for buttonhole sewing.

    Troubleshooting:

    1. Ensure the buttonhole foot is securely attached and aligned.
    2. Double-check the buttonhole size and type settings to match your button requirements.
    3. Stabilize the fabric with interfacing or appropriate techniques before sewing the buttonhole.

  9. Thread Bunching or Nesting Underneath

    Description: The thread forms loops or bunches underneath the fabric while sewing with the Brother SM3701 Sewing Machine.

    Cause:

    • The thread is not properly threaded through the tension discs or guides.
    • The bobbin is incorrectly inserted or wound.
    • The machine’s tension settings need adjustment.

    Troubleshooting:

    1. Rethread the machine, ensuring the thread passes through all the necessary guides and tension discs correctly.
    2. Check the bobbin for proper insertion and winding.
    3. Adjust the machine’s tension settings according to the fabric and thread being used.

  10. Inconsistent Thread Tension

    Description: The thread tension varies and is inconsistent while sewing with the Brother SM3701 Sewing Machine.

    Cause:

    • The tension discs or guides are dirty or damaged.
    • The machine is not properly threaded.
    • The tension settings are incorrect for the chosen stitch or fabric.

    Troubleshooting:

    1. Clean the tension discs and guides using a soft brush or lint-free cloth.
    2. Rethread the machine, following the threading instructions carefully.
    3. Adjust the tension settings according to the recommended guidelines for your stitch and fabric.

  11. Needle Breaking

    Description: The needle keeps breaking while sewing with the Brother SM3701 Sewing Machine.

    Cause:

    • The needle is bent, damaged, or worn out.
    • The needle is the wrong size or type for the fabric being sewn.
    • The machine is not properly threaded or adjusted.

    Troubleshooting:

    1. Replace the needle with a new one of the correct size and type.
    2. Ensure the machine is threaded correctly and the needle is inserted properly.
    3. Check the machine’s settings and make adjustments for the chosen fabric and stitch.

  12. Feed Dogs Not Moving Fabric

    Description: The feed dogs on the Brother SM3701 Sewing Machine are not properly advancing the fabric during sewing.

    Cause:

    • The feed dog mechanism is clogged or obstructed.
    • The machine is set to the free motion or darning setting.
    • The presser foot pressure needs adjustment.

    Troubleshooting:

    1. Clean the feed dog mechanism and remove any debris or obstructions.
    2. Ensure the machine is set to the appropriate feed dog mode for regular sewing.
    3. Adjust the presser foot pressure to the correct setting for the fabric being sewn.

  13. Uneven Fabric Feed

    Description: The Brother SM3701 Sewing Machine is not feeding the fabric evenly during sewing.

    Cause:

    • The presser foot pressure is too high or too low.
    • The fabric is not properly aligned or guided.
    • The feed dogs are worn or damaged.

    Troubleshooting:

    1. Adjust the presser foot pressure to the appropriate setting for the fabric being sewn.
    2. Ensure the fabric is aligned and guided evenly while sewing.
    3. If the feed dogs are worn or damaged, consider having them replaced by a qualified technician.

  14. Thread Cutter Not Working

    Description: The built-in thread cutter on the Brother SM3701 Sewing Machine is not functioning.

    Cause:

    • The thread cutter blade is dull or damaged.
    • Thread or debris is stuck in the thread cutter mechanism.
    • The machine’s settings prevent the thread cutter from operating.

    Troubleshooting:

    1. Replace the thread cutter blade if it is dull or damaged.
    2. Carefully remove any thread or debris from the thread cutter mechanism.
    3. Check the machine’s settings and ensure the thread cutter function is enabled.

  15. Needle Hits the Presser Foot

    Description: The needle on the Brother SM3701 Sewing Machine hits the presser foot during sewing.

    Cause:

    • The presser foot is not compatible with the chosen stitch or needle position.
    • The needle is not properly inserted or tightened.
    • The machine’s settings need adjustment.

    Troubleshooting:

    1. Ensure the presser foot is suitable for the chosen stitch and needle position.
    2. Check the needle to ensure it is inserted correctly and tightened securely.
    3. Adjust the machine’s settings to avoid any collisions between the needle and presser foot.

  16. Lighting System Not Working

    Description: The built-in lighting system of the Brother SM3701 Sewing Machine is not turning on.

    Cause:

    • The light bulb is burnt out or loose.
    • The power connection to the lighting system is disrupted.
    • There is a defect in the lighting circuit.

    Troubleshooting:

    1. Replace the light bulb with a new one, ensuring it is securely in place.
    2. Check the power connection and make sure it is properly plugged in and not damaged.
    3. If the issue persists, consult a qualified technician to diagnose and repair the lighting circuit.

  17. Thread Getting Caught in Bobbin Area

    Description: The thread is getting tangled or caught in the bobbin area of the Brother SM3701 Sewing Machine.

    Cause:

    • The bobbin is not inserted correctly.
    • The bobbin case is damaged or not properly aligned.
    • The machine’s threading is incorrect or tangled.

    Troubleshooting:

    1. Remove the bobbin and reinsert it, ensuring it is properly seated and threaded.
    2. Inspect the bobbin case for any damage or misalignment and address the issue if found.
    3. Rethread the machine, following the correct threading path and ensuring there are no tangles or loops.

  18. Inconsistent Stitch Quality

    Description: The stitch quality produced by the Brother SM3701 Sewing Machine is inconsistent or irregular.

    Cause:

    • The machine’s tension settings need adjustment.
    • The needle is worn or the wrong size for the chosen fabric.
    • The machine is not properly maintained or cleaned.

    Troubleshooting:

    1. Adjust the tension settings according to the recommended guidelines for your fabric and stitch.
    2. Replace the needle with a new one of the correct size and type.
    3. Regularly clean and maintain the machine, removing lint and debris that may affect stitch quality.

  19. Difficulty in Threading the Machine

    Description: Threading the Brother SM3701 Sewing Machine is challenging or confusing.

    Cause:

    • The machine’s threading path is not followed correctly.
    • The threading diagrams or instructions are unclear.
    • The needle threader is not functioning properly.

    Troubleshooting:

    1. Carefully follow the threading path as shown in the machine’s manual or instructional materials.
    2. Consult additional resources or tutorials for clearer threading diagrams or instructions.
    3. If applicable, troubleshoot and repair the needle threader or thread manually if necessary.

  20. Bobbin Winding Issues

    Description: The Brother SM3701 Sewing Machine is experiencing difficulties when winding the bobbin.

    Cause:

    • The bobbin is not properly placed on the winding spindle.
    • The thread is not correctly threaded through the bobbin winding mechanism.
    • The bobbin winding tension is too loose or too tight.

    Troubleshooting:

    1. Ensure the bobbin is securely placed on the winding spindle before starting the winding process.
    2. Follow the correct threading path for the bobbin winding mechanism, ensuring the thread is properly tensioned.
    3. Adjust the bobbin winding tension according to the recommended guidelines for your machine and thread.

  21. Difficulty in Changing Needles

    Description: Changing needles on the Brother SM3701 Sewing Machine is challenging or time-consuming.

    Cause:

    • The needle clamp is not easily accessible or requires additional tools to loosen.
    • The needle is tightly secured and difficult to remove.

    Troubleshooting:

    1. If necessary, use a screwdriver or other appropriate tool to loosen the needle clamp for easier access.
    2. Gently and carefully loosen the needle from the clamp, ensuring not to force or damage it.

  22. Skipped Stitches

    Description: The Brother SM3701 Sewing Machine is skipping stitches during sewing.

    Cause:

    • The needle is worn, damaged, or incorrectly inserted.
    • The machine’s tension settings need adjustment.
    • The machine is not properly cleaned and maintained.

    Troubleshooting:

    1. Replace the needle with a new one of the correct size and type, ensuring it is inserted properly.
    2. Adjust the tension settings according to the recommended guidelines for your fabric and stitch.
    3. Clean the machine regularly, removing lint and debris that may cause skipped stitches.

  23. Thread Keeps Breaking

    Description: The thread keeps breaking while sewing with the Brother SM3701 Sewing Machine.

    Cause:

    • The machine’s tension settings are too tight.
    • The needle is not suitable for the chosen fabric or stitch.
    • The thread is low quality or not properly threaded.

    Troubleshooting:

    1. Loosen the tension settings gradually until the thread no longer breaks during sewing.
    2. Ensure the needle is appropriate for the fabric and stitch, replacing it if necessary.
    3. Use high-quality thread and rethread the machine, making sure the thread passes through all the necessary guides and tension discs correctly.

  24. Difficulty in Lowering the Feed Dogs

    Description: Lowering the feed dogs on the Brother SM3701 Sewing Machine is challenging or not functioning.

    Cause:

    • The feed dog lowering mechanism is jammed or obstructed.
    • The machine’s controls or settings need adjustment.

    Troubleshooting:

    1. Clean the feed dog lowering mechanism, removing any debris or obstructions that may impede its function.
    2. Check the machine’s controls or settings related to the feed dogs and adjust them as necessary.

  25. Limited Stitch Selection

    Description: The Brother SM3701 Sewing Machine has a limited range of available stitches or stitch options.

    Cause:

    • The machine model is designed with a smaller selection of stitches compared to other models.
    • The machine’s settings or controls are not set to display all available stitches.

    Troubleshooting:

    1. Refer to the machine’s manual or specifications to confirm the available stitches for the SM3701 model.
    2. Adjust the machine’s settings or controls to display all available stitches, if applicable.

  26. Motor or Power Issues

    Description: The motor or power supply of the Brother SM3701 Sewing Machine is not functioning correctly.

    Cause:

    • The power cord is not properly connected or damaged.
    • The power outlet or electrical supply is faulty.
    • There is an internal issue with the machine’s motor or power mechanism.

    Troubleshooting:

    1. Check the power cord and ensure it is securely connected to the machine and the power outlet.
    2. Test the power outlet with another device to confirm it is functioning properly.
    3. If the issue persists, consult a qualified technician to diagnose and repair any internal motor or power-related problems.

  27. Bobbin Thread Not Picking Up

    Description: The bobbin thread is not being picked up by the needle while sewing with the Brother SM3701 Sewing Machine.

    Cause:

    • The bobbin is not inserted correctly or wound unevenly.
    • The machine’s needle or timing is misaligned.
    • The machine’s tension settings are incorrect.

    Troubleshooting:

    1. Remove the bobbin and reinsert it, ensuring it is properly wound and inserted according to the machine’s instructions.
    2. Check the needle and timing to ensure they are properly aligned.
    3. Adjust the tension settings according to the recommended guidelines for your fabric and stitch.

  28. Difficulty in Sewing Thick Fabrics

    Description: The Brother SM3701 Sewing Machine struggles to sew through thick or heavy fabrics.

    Cause:

    • The needle is not suitable for heavy fabrics.
    • The machine’s tension settings need adjustment for thicker fabrics.
    • The presser foot pressure is not set correctly for the fabric thickness.

    Troubleshooting:

    1. Use a needle specifically designed for heavy fabrics or multiple layers.
    2. Adjust the tension settings to accommodate thicker fabrics, ensuring the stitches are balanced and secure.
    3. Increase the presser foot pressure to provide better control and feeding of the thick fabric layers.

  29. Noise or Vibration During Sewing

    Description: The Brother SM3701 Sewing Machine produces excessive noise or vibration while in operation.

    Cause:

    • The machine is not properly positioned or stabilized.
    • The needle or other components are loose or misaligned.
    • The machine requires lubrication or maintenance.

    Troubleshooting:

    1. Ensure the machine is placed on a stable and level surface, free from any vibrations or movement.
    2. Check all components, including the needle, presser foot, and bobbin case, and tighten any loose parts.
    3. If necessary, clean and lubricate the machine according to the manufacturer’s instructions.

  30. Uneven or Irregular Stitch Length

    Description: The stitch length produced by the Brother SM3701 Sewing Machine is uneven or irregular.

    Cause:

    • The machine’s stitch length setting is not accurate or consistent.
    • The machine’s feed dogs or fabric movement is inconsistent.
    • The machine’s tension settings need adjustment.

    Troubleshooting:

    1. Check the stitch length setting and adjust it to the desired length, ensuring it is consistent across the entire sewing process.
    2. Ensure the feed dogs are properly engaged and moving the fabric evenly during sewing.
    3. Adjust the tension settings according to the recommended guidelines for your fabric and stitch.

  31. Uneven or Skewed Seams

    Description: Seams sewn with the Brother SM3701 Sewing Machine are uneven or skewed.

    Cause:

    • The machine’s feeding or fabric movement is inconsistent.
    • The fabric is not properly aligned or guided during sewing.
    • The machine’s tension settings need adjustment.

    Troubleshooting:

    1. Ensure the feed dogs are properly engaged and moving the fabric evenly during sewing.
    2. Take care to align and guide the fabric evenly, maintaining a consistent seam allowance.
    3. Adjust the tension settings according to the recommended guidelines for your fabric and stitch.

  32. Thread Jamming in the Needle Plate

    Description: The thread gets jammed or tangled in the needle plate area of the Brother SM3701 Sewing Machine.

    Cause:

    • The needle plate is not properly installed or secured.
    • The thread tension is too tight.
    • There is lint or debris buildup in the needle plate area.

    Troubleshooting:

    1. Check the needle plate and ensure it is correctly installed and securely fastened.
    2. Adjust the thread tension to a slightly looser setting and test the machine.
    3. Clean the needle plate area, removing any lint or debris that may be causing the thread jamming.

  33. Needle Breakage

    Description: Needles on the Brother SM3701 Sewing Machine frequently break during sewing.

    Cause:

    • The needle is bent, damaged, or worn.
    • The needle is not suitable for the chosen fabric or stitch.
    • The machine’s settings or tensions are incorrect.

    Troubleshooting:

    1. Replace the needle with a new one of the correct size and type, ensuring it is inserted properly.
    2. Use the appropriate needle for the fabric type and the stitch being sewn.
    3. Adjust the machine’s settings and tensions according to the recommended guidelines for your fabric and stitch.

  34. Bobbin Thread Tension Issues

    Description: The tension of the bobbin thread on the Brother SM3701 Sewing Machine is not consistent or balanced.

    Cause:

    • The bobbin tension is too loose or too tight.
    • The bobbin case or bobbin area is not properly cleaned or maintained.
    • The bobbin thread is not properly threaded or wound.

    Troubleshooting:

    1. Adjust the bobbin tension according to the recommended guidelines for your fabric and stitch, ensuring it is balanced with the upper thread tension.
    2. Regularly clean the bobbin case and bobbin area, removing any lint or debris that may affect the thread tension.
    3. Ensure the bobbin thread is correctly threaded and wound, following the machine’s instructions.

  35. Difficulty in Sewing Fine Fabrics

    Description: Sewing fine or delicate fabrics with the Brother SM3701 Sewing Machine is challenging.

    Cause:

    • The machine’s tension settings need adjustment for fine fabrics.
    • The needle is not suitable for fine fabrics.
    • The presser foot pressure is not set correctly for delicate fabrics.

    Troubleshooting:

    1. Adjust the tension settings to accommodate fine fabrics, ensuring the stitches are balanced and secure.
    2. Use a needle specifically designed for fine fabrics to prevent snagging or damage.
    3. Decrease the presser foot pressure to avoid leaving marks or impressions on delicate fabrics.

  36. Thread Tangling in the Shuttle Race

    Description: The thread gets tangled or caught in the shuttle race area of the Brother SM3701 Sewing Machine.

    Cause:

    • The shuttle race is not properly cleaned or maintained.
    • The machine’s tension settings are incorrect.
    • The thread is not correctly threaded through the shuttle race or tension discs.

    Troubleshooting:

    1. Clean the shuttle race area regularly, removing any lint or debris that may cause thread tangling.
    2. Adjust the machine’s tension settings according to the recommended guidelines for your fabric and stitch.
    3. Ensure the thread is correctly threaded through the shuttle race and tension discs, following the machine’s instructions.

  37. Needle Hits the Presser Foot

    Description: The needle of the Brother SM3701 Sewing Machine hits or touches the presser foot during sewing.

    Cause:

    • The needle is not inserted correctly or securely.
    • The presser foot is not properly aligned or attached.
    • The machine’s needle position or width setting needs adjustment.

    Troubleshooting:

    1. Ensure the needle is inserted correctly and securely, following the machine’s instructions.
    2. Check the alignment and attachment of the presser foot, ensuring it is properly installed and not interfering with the needle.
    3. Adjust the machine’s needle position or width setting to avoid contact between the needle and presser foot.

  38. Inconsistent Thread Tension

    Description: The thread tension on the Brother SM3701 Sewing Machine is inconsistent across different stitches or fabric types.

    Cause:

    • The tension settings need adjustment for different stitches or fabrics.
    • The thread is not correctly threaded or passing through the tension discs.

    Troubleshooting:

    1. Adjust the tension settings according to the recommended guidelines for each specific stitch or fabric type.
    2. Ensure the thread is correctly threaded through all the necessary guides and tension discs, following the machine’s instructions.

  39. Difficulty in Sewing Buttonholes

    Description: Creating buttonholes with the Brother SM3701 Sewing Machine is challenging or produces unsatisfactory results.

    Cause:

    • The machine’s buttonhole settings or controls need adjustment.
    • The machine’s needle or thread tension is not suitable for buttonhole stitching.
    • The fabric or stabilizer used for buttonholes is not appropriate.

    Troubleshooting:

    1. Adjust the machine’s buttonhole settings or controls according to the recommended guidelines for your desired buttonhole style and fabric.
    2. Use the appropriate needle and thread tension for buttonhole stitching, ensuring secure and balanced stitches.
    3. Choose the appropriate fabric and stabilizer for buttonholes to ensure clean and precise results.

  40. Difficulty in Sewing Stretch Fabrics

    Description: Sewing stretch fabrics with the Brother SM3701 Sewing Machine is challenging or produces unsatisfactory results.

    Cause:

    • The machine’s tension settings need adjustment for stretch fabrics.
    • The needle or thread tension is not suitable for stretch fabrics.
    • The presser foot pressure is not set correctly for stretch fabrics.

    Troubleshooting:

    1. Adjust the tension settings to accommodate stretch fabrics, ensuring the stitches are balanced and maintain the fabric’s stretchability.
    2. Use a needle and thread specifically designed for stretch fabrics to prevent skipped stitches or fabric damage.
    3. Decrease the presser foot pressure to prevent excessive stretching or distortion of the fabric.

  41. Needle Threader Malfunction

    Description: The needle threader function on the Brother SM3701 Sewing Machine is not working properly.

    Cause:

    • The needle threader mechanism is misaligned or damaged.
    • The needle or thread is not positioned correctly for threading.
    • The needle threader function is not properly engaged or activated.

    Troubleshooting:

    1. Check the alignment and condition of the needle threader mechanism, and if necessary, consult the machine’s manual for adjustment or repair instructions.
    2. Ensure the needle is at the correct height and position for threading, and that the thread is properly placed in the threader.
    3. Follow the machine’s instructions to engage and activate the needle threader function correctly.

  42. Stitch Skips or Skips Stitches

    Description: The Brother SM3701 Sewing Machine skips stitches or skips certain sections of stitches while sewing.

    Cause:

    • The needle is dull, damaged, or not inserted properly.
    • The machine’s tension settings or needle position need adjustment.
    • The fabric is not properly guided or stabilized during sewing.

    Troubleshooting:

    1. Replace the needle with a new one of the correct size and type, ensuring it is inserted properly.
    2. Adjust the machine’s tension settings and needle position according to the recommended guidelines for your fabric and stitch.
    3. Take care to guide and stabilize the fabric properly, preventing it from shifting or stretching during sewing.

  43. Thread Breaking or Fraying

    Description: The thread used on the Brother SM3701 Sewing Machine frequently breaks or frays during sewing.

    Cause:

    • The thread is not suitable for the chosen fabric or stitch.
    • The machine’s tension settings are incorrect.
    • The needle or thread path has rough or sharp edges that damage the thread.

    Troubleshooting:

    1. Use a thread specifically designed for the fabric type and the stitch being sewn.
    2. Adjust the machine’s tension settings according to the recommended guidelines for your fabric and stitch.
    3. Check the needle and thread path for any rough or sharp edges that may be damaging the thread, and if necessary, consult a technician for adjustments or repairs.

  44. Inconsistent Button Sewing

    Description: The Brother SM3701 Sewing Machine does not consistently sew buttons securely in place.

    Cause:

    • The machine’s button sewing settings or controls need adjustment.
    • The button is not properly positioned or secured before sewing.
    • The machine’s needle or thread tension is not suitable for button sewing.

    Troubleshooting:

    1. Adjust the machine’s button sewing settings or controls according to the recommended guidelines for your button type and fabric.
    2. Ensure the button is correctly positioned and securely attached to the fabric before sewing.
    3. Use the appropriate needle and thread tension for button sewing, ensuring secure and balanced stitches.

  45. Difficulty in Sewing Thick or Heavy Fabrics

    Description: Sewing thick or heavy fabrics with the Brother SM3701 Sewing Machine is challenging or produces unsatisfactory results.

    Cause:

    • The machine’s needle or thread is not suitable for thick or heavy fabrics.
    • The presser foot pressure is not set correctly for thick or heavy fabrics.
    • The machine’s tension settings need adjustment for thick or heavy fabrics.

    Troubleshooting:

    1. Use a needle specifically designed for thick or heavy fabrics, with a larger size and stronger construction.
    2. Increase the presser foot pressure to ensure proper fabric feeding and stitch formation.

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