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Husqvarna Viking Sapphire 855 Common Problems and Troubleshooting

If you own a Husqvarna Viking Sapphire 855 sewing machine, you may encounter various issues during your sewing projects. This article addresses common problems and provides troubleshooting tips specific to this model.

Whether you’re experiencing stitching irregularities, tension issues, or other complications, understanding the potential causes and solutions can help you get the most out of your sewing experience with the Husqvarna Viking Sapphire 855.

Causes of Common Problems with the Husqvarna Viking Sapphire 855

This section introduces the common problems encountered with the Husqvarna Viking Sapphire 855 sewing machine and provides insights into potential causes and solutions. The following subsections will delve into specific issues and troubleshooting techniques tailored to this particular model.

Common Problems with the Husqvarna Viking Sapphire 855

1. Thread Breaking Issue

  • Problem: Thread breaks frequently while sewing with the Husqvarna Viking Sapphire 855.
  • Cause: Incorrect threading, tension settings, or using low-quality thread.
  • Troubleshooting:
    1. Re-thread the machine following the threading guide provided in the manual.
    2. Check and adjust the tension settings according to the fabric and thread being used.
    3. Use high-quality thread suitable for the selected fabric.

2. Bobbin Jamming Problem

  • Problem: Bobbin gets jammed frequently in the Husqvarna Viking Sapphire 855.
  • Cause: Improperly wound bobbin, debris in the bobbin area, or incorrect bobbin insertion.
  • Troubleshooting:
    1. Ensure the bobbin is correctly wound and inserted into the bobbin case.
    2. Clean the bobbin area, removing any lint, dust, or debris.
    3. Check the bobbin tension and adjust if necessary.

3. Uneven Stitching Problem

  • Problem: Uneven stitches appear while sewing with the Husqvarna Viking Sapphire 855.
  • Cause: Incorrect needle or presser foot selection, incorrect tension settings, or fabric handling issues.
  • Troubleshooting:
    1. Ensure the correct needle size and type are used for the fabric being sewn.
    2. Choose the appropriate presser foot for the selected stitch and fabric.
    3. Check and adjust the tension settings according to the fabric and stitch type.
    4. Feed the fabric evenly and avoid pulling or stretching while sewing.

4. Needle Breakage Problem

  • Problem: Needles frequently break while sewing with the Husqvarna Viking Sapphire 855.
  • Cause: Incorrect needle type or size, bent or damaged needle, or sewing through thick layers of fabric.
  • Troubleshooting:
    1. Ensure the correct needle type and size are used for the fabric and thread being used.
    2. Replace the needle if it is bent, damaged, or dull.
    3. Avoid sewing through excessively thick layers of fabric by using a walking foot or adjusting the machine settings.

5. Thread Tension Issue

  • Problem: Inconsistent or erratic thread tension with the Husqvarna Viking Sapphire 855.
  • Cause: Improper threading, bobbin tension, or machine calibration.
  • Troubleshooting:
    1. Re-thread the machine, ensuring the thread is properly seated in the tension discs and bobbin case.
    2. Check and adjust the bobbin tension if necessary.
    3. Perform a tension test on scrap fabric to determine the optimal settings for the selected thread and fabric combination.

    6. Fabric Not Feeding Properly

      • Problem: Fabric does not feed smoothly or evenly through the feed dogs of the Husqvarna Viking Sapphire 855.
      • Cause: Dirty or damaged feed dogs, incorrect presser foot pressure, or incorrect stitch length setting.
      • Troubleshooting:
        1. Clean the feed dogs regularly to remove lint, dust, or debris.
        2. Adjust the presser foot pressure to ensure proper contact with the fabric.
        3. Check and adjust the stitch length setting according to the fabric being sewn.

    7. Thread Bunching on the Underside

      • Problem: Thread bunches up or forms loops on the underside of the fabric when sewing with the Husqvarna Viking Sapphire 855.
      • Cause: Incorrect threading of the bobbin, upper thread tension too tight, or bobbin case issues.
      • Troubleshooting:
        1. Re-thread the bobbin, ensuring it is properly inserted and wound.
        2. Adjust the upper thread tension to a slightly looser setting.
        3. Check the bobbin case for any damage or debris and clean if necessary.

    8. Machine Not Powering On

      • Problem: The Husqvarna Viking Sapphire 855 does not power on when the power switch is turned on.
      • Cause: Faulty power connection, blown fuse, or internal electrical issues.
      • Troubleshooting:
        1. Check the power cord and ensure it is securely plugged into a functioning outlet.
        2. Inspect the fuse in the power cord or adapter and replace if blown.
        3. If the machine still does not power on, contact a qualified technician for further diagnosis and repair.

    9. Stitch Skips or Jumps

      • Problem: The Husqvarna Viking Sapphire 855 occasionally skips stitches or jumps during sewing.
      • Cause: Dull or bent needle, improper threading, or timing issues.
      • Troubleshooting:
        1. Replace the needle with a new, sharp one suitable for the fabric being sewn.
        2. Re-thread the machine, ensuring the thread path is correct and the needle is properly threaded.
        3. If problems persist, consult the user manual for instructions on checking and adjusting the machine’s timing.

    10. Bobbin Thread Not Catching

      • Problem: The bobbin thread does not catch or form stitches properly when sewing with the Husqvarna Viking Sapphire 855.
      • Cause: Improperly inserted bobbin, bobbin tension too loose, or bobbin case issues.
      • Troubleshooting:
        1. Re-insert the bobbin into the bobbin case, ensuring it rotates counterclockwise.
        2. Adjust the bobbin tension slightly tighter if the thread is too loose.
        3. Inspect the bobbin case for any damage or debris and clean if necessary.

    6. Stitch Skipped Problem

      • Problem: The Husqvarna Viking Sapphire 855 occasionally skips stitches during sewing.
      • Cause: Dull or damaged needle, incorrect needle size, or improper sewing technique.
      • Troubleshooting:
        1. Replace the needle with a new, appropriate one for the fabric and thread being used.
        2. Ensure the needle is inserted correctly and tightened securely.
        3. Check the sewing speed and adjust if necessary to prevent skipping stitches.
        4. Inspect the bobbin area for any obstructions or debris that may be affecting stitch formation.

    7. Thread Nesting Problem

      • Problem: Thread nests or tangles form underneath the fabric while sewing with the Husqvarna Viking Sapphire 855.
      • Cause: Improper tension settings, incorrect threading, or sewing too fast.
      • Troubleshooting:
        1. Re-thread the machine, ensuring the thread path is correct and the thread is properly seated in the tension discs.
        2. Check and adjust the tension settings, both upper and bobbin, to achieve balanced tension.
        3. Reduce the sewing speed to allow the machine to stitch more accurately.
        4. Clean the machine, particularly the bobbin area, to remove any lint or debris that may be causing issues.

    8. Fabric Jamming Problem

      • Problem: Fabric gets jammed or stuck in the feed dogs of the Husqvarna Viking Sapphire 855.
      • Cause: Incorrect presser foot pressure, improper fabric handling, or debris in the feed dog area.
      • Troubleshooting:
        1. Adjust the presser foot pressure according to the thickness of the fabric being used.
        2. Ensure the fabric is fed smoothly and evenly, avoiding abrupt movements.
        3. Clean the feed dogs and surrounding area to remove any accumulated lint or debris.
        4. Use a suitable needle and thread combination for the fabric type to prevent excessive resistance.

    9. Buttonhole Irregularity Problem

      • Problem: Buttonholes created with the Husqvarna Viking Sapphire 855 are irregular or inconsistent.
      • Cause: Incorrect buttonhole foot installation, improper buttonhole settings, or fabric slippage.
      • Troubleshooting:
        1. Ensure the buttonhole foot is securely attached and compatible with the machine.
        2. Check and adjust the buttonhole settings, including stitch width and density, to match the button size and fabric thickness.
        3. Stabilize the fabric with interfacing or stabilizer to prevent slippage during buttonhole formation.
        4. Practice making buttonholes on scrap fabric to test settings and technique before working on the actual project.

    10. Motor Overheating Problem

      • Problem: The motor of the Husqvarna Viking Sapphire 855 overheats during extended sewing sessions.
      • Cause: Overuse without adequate breaks, blocked ventilation, or internal mechanical issues.
      • Troubleshooting:
        1. Take regular breaks during long sewing sessions to allow the motor to cool down.
        2. Ensure the machine is placed in a well-ventilated area, away from obstructions that may block airflow.
        3. Clean the machine’s internal components and remove any accumulated dust or debris that may be hindering airflow.
        4. If the issue persists, contact a qualified technician for further inspection and repair.

      11. Thread Cutter Malfunction Problem

        • Problem: The thread cutter feature of the Husqvarna Viking Sapphire 855 is not functioning properly.
        • Cause: Dull or damaged thread cutter blade, debris accumulation, or mechanical issues.
        • Troubleshooting:
          1. Inspect the thread cutter blade for any signs of damage or dullness and replace if necessary.
          2. Clean the thread cutter area to remove any lint, dust, or debris that may be obstructing its movement.
          3. Check for any mechanical obstructions or misalignments and correct as needed.
          4. If the problem persists, consult the user manual for troubleshooting tips or contact customer support for assistance.

      12. Bobbin Winding Problem

        • Problem: The bobbin winding function of the Husqvarna Viking Sapphire 855 is not working properly.
        • Cause: Improperly inserted bobbin, incorrect bobbin winding settings, or mechanical issues.
        • Troubleshooting:
          1. Ensure the bobbin is properly inserted onto the winding spindle and engaged with the bobbin winder.
          2. Check and adjust the bobbin winding tension settings according to the type of thread being used.
          3. Inspect the bobbin winding mechanism for any signs of damage or obstruction and correct as needed.
          4. If the issue persists, try winding the bobbin manually using an alternative method or consult a technician for further assistance.

      13. Button Not Responding Problem

        • Problem: Certain buttons or controls on the Husqvarna Viking Sapphire 855 are not responding when pressed.
        • Cause: Electrical issues, loose connections, or worn-out buttons.
        • Troubleshooting:
          1. Check the power supply and ensure the machine is properly plugged in and turned on.
          2. Inspect the control panel for any loose connections or damaged wires and repair or replace as necessary.
          3. Clean the buttons and control panel to remove any dirt or debris that may be affecting their responsiveness.
          4. If the problem persists, contact a qualified technician for further diagnosis and repair.

      14. Thread Jamming in Needle Plate Problem

        • Problem: Threads are getting jammed or caught in the needle plate of the Husqvarna Viking Sapphire 855.
        • Cause: Incorrect needle plate installation, damaged needle plate, or improper threading.
        • Troubleshooting:
          1. Ensure the needle plate is securely installed and compatible with the machine.
          2. Inspect the needle plate for any signs of damage, such as scratches or burrs, and replace if necessary.
          3. Re-thread the machine, ensuring the thread is properly guided through the needle plate hole.
          4. If the issue persists, clean the needle plate area and surrounding components to remove any debris that may be causing the jamming.

      15. Stitch Length Variation Problem

        • Problem: Inconsistent stitch length occurs while sewing with the Husqvarna Viking Sapphire 855.
        • Cause: Incorrect stitch length settings, mechanical issues, or fabric slippage.
        • Troubleshooting:
          1. Adjust the stitch length settings on the machine to the desired length for the fabric and project.
          2. Check for any mechanical obstructions or misalignments that may be affecting stitch formation.
          3. Stabilize the fabric with interfacing or stabilizer to prevent slippage during stitching.
          4. If the problem persists, perform a test stitch on scrap fabric to evaluate the stitch length and make adjustments accordingly.

        16. Thread Tension Release Problem

          • Problem: The thread tension release feature of the Husqvarna Viking Sapphire 855 is not functioning as expected.
          • Cause: Mechanical issues, dirt or debris accumulation, or improper use.
          • Troubleshooting:
            1. Ensure that the tension release mechanism is not jammed or obstructed.
            2. Clean the tension release area to remove any dirt, lint, or debris that may be hindering its function.
            3. Refer to the user manual for proper operation instructions and troubleshooting tips.
            4. If the issue persists, contact customer support or a qualified technician for further assistance.

        17. Needle Threader Malfunction Problem

          • Problem: The automatic needle threader of the Husqvarna Viking Sapphire 855 is not working correctly.
          • Cause: Misalignment, damage to the needle threader mechanism, or improper use.
          • Troubleshooting:
            1. Inspect the needle threader for any signs of damage or misalignment.
            2. Ensure that the needle threader mechanism is clean and free from obstructions.
            3. Follow the instructions in the user manual carefully to properly use the needle threader.
            4. If the issue persists, consider manually threading the needle or seek assistance from a professional technician.

        18. Bobbin Thread Tension Problem

          • Problem: Uneven or inconsistent bobbin thread tension occurs while sewing with the Husqvarna Viking Sapphire 855.
          • Cause: Incorrect bobbin tension settings, improper bobbin winding, or dirty bobbin case.
          • Troubleshooting:
            1. Adjust the bobbin tension using the tension screw on the bobbin case.
            2. Ensure that the bobbin is wound evenly and correctly inserted into the bobbin case.
            3. Clean the bobbin case area to remove any lint, dust, or debris that may affect tension.
            4. Test the tension on scrap fabric before starting a project to ensure even stitching.

        19. Feed Dog Misalignment Problem

          • Problem: The feed dogs of the Husqvarna Viking Sapphire 855 are misaligned, causing fabric feeding issues.
          • Cause: Improper handling, mechanical issues, or accumulation of debris.
          • Troubleshooting:
            1. Ensure that the feed dogs are correctly engaged and not obstructed by fabric or debris.
            2. Check for any visible signs of misalignment or damage to the feed dog mechanism.
            3. Manually adjust the feed dog height if possible, following the instructions in the user manual.
            4. If the issue persists, consult a professional technician for further inspection and adjustment.

        20. Bobbin Case Latch Sticking Problem

          • Problem: The latch of the bobbin case on the Husqvarna Viking Sapphire 855 is sticking or difficult to open.
          • Cause: Dirt, lint, or debris accumulation, mechanical issues, or improper lubrication.
          • Troubleshooting:
            1. Clean the bobbin case latch area thoroughly to remove any dirt or debris that may be causing sticking.
            2. Apply a small amount of sewing machine oil or lubricant to the latch mechanism to improve its movement.
            3. Inspect the latch for any signs of damage or misalignment and correct as needed.
            4. If the problem persists, contact customer support or a qualified technician for further assistance.

          Husqvarna Viking Sapphire 855 Sewing Machine Manual

          For detailed operating instructions and guidance on using the Husqvarna Viking Sapphire 855 sewing machine, please refer to the official manual available on the manufacturer’s website. You can download the manual from the website to access comprehensive information about machine setup, threading, stitching techniques, maintenance, and troubleshooting.

          Husqvarna Viking Sapphire 855 Frequently Asked Questions

          1. How do I thread the Husqvarna Viking Sapphire 855?

          To thread the Husqvarna Viking Sapphire 855 sewing machine, follow these steps:

            1. Place a spool of thread on the spool pin and secure it with a spool cap.
            2. Guide the thread through the thread guide and tension discs.
            3. Thread the needle from front to back, ensuring the thread passes through the needle’s eye.
            4. Use the automatic needle threader, if available, for easier threading.

          2. Why does my thread keep breaking while sewing with the Husqvarna Viking Sapphire 855?

          Thread breakage can occur due to various reasons, including incorrect threading, tension settings, or using low-quality thread. To troubleshoot this issue:

            1. Re-thread the machine following the threading guide provided in the manual.
            2. Check and adjust the tension settings according to the fabric and thread being used.
            3. Use high-quality thread suitable for the selected fabric.

          3. How do I troubleshoot bobbin jamming in the Husqvarna Viking Sapphire 855?

          If your bobbin is jamming frequently, try the following steps:

            1. Ensure the bobbin is correctly wound and inserted into the bobbin case.
            2. Clean the bobbin area, removing any lint, dust, or debris.
            3. Check the bobbin tension and adjust if necessary.

          4. What should I do if the stitches are uneven while sewing with the Husqvarna Viking Sapphire 855?

          Uneven stitches can result from incorrect needle or presser foot selection, incorrect tension settings, or fabric handling issues. Try the following troubleshooting steps:

            1. Ensure the correct needle size and type are used for the fabric being sewn.
            2. Choose the appropriate presser foot for the selected stitch and fabric.
            3. Check and adjust the tension settings according to the fabric and stitch type.
            4. Feed the fabric evenly and avoid pulling or stretching while sewing.

          5. How can I prevent the motor of the Husqvarna Viking Sapphire 855 from overheating?

          If the motor of your sewing machine is overheating, consider the following measures:

            1. Take regular breaks during long sewing sessions to allow the motor to cool down.
            2. Ensure the machine is placed in a well-ventilated area, away from obstructions that may block airflow.
            3. Clean the machine’s internal components and remove any accumulated dust or debris that may be hindering airflow.

          Conclusion

          For any issues encountered with your Husqvarna Viking Sapphire 855 sewing machine, it’s advisable to always refer to the manual, contact customer service, or visit a service center whenever possible. These resources can provide valuable assistance and guidance in troubleshooting and resolving problems effectively.

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