Husqvarna Viking Prisma 990 Common Problems and Troubleshooting

Welcome to our guide on troubleshooting common issues with the Husqvarna Viking Prisma 990 sewing machine. If you own this model, you know the precision and convenience it brings to your sewing projects. However, like any sophisticated device, it may encounter hiccups from time to time. In this article, we’ll explore potential problems you might face and provide solutions to keep your Prisma 990 running smoothly.

Causes of Common Problems with the Husqvarna Viking Prisma 990

  • Thread Breakage

    Description of the problem: Threads keep breaking during sewing.

    Cause of the problem: Incorrect threading or tension settings.

    Troubleshooting step-by-step:

    1. Re-thread the machine following the user manual’s instructions.
    2. Check the tension settings and adjust if necessary.
    3. Ensure the needle is inserted correctly and is suitable for the fabric.
    4. Clean the bobbin area and remove any lint or debris.
  • Uneven Stitching

    Description of the problem: Stitches appear uneven or irregular.

    Cause of the problem: Incorrect needle position or damaged needle.

    Troubleshooting step-by-step:

    1. Check if the needle is bent or damaged and replace if necessary.
    2. Ensure the needle is inserted correctly and securely.
    3. Adjust the needle position according to the fabric thickness.
    4. Clean the feed dogs and throat plate to prevent fabric from getting caught.
  • Bobbin Jamming

    Description of the problem: Bobbin gets stuck or jams while sewing.

    Cause of the problem: Dirty bobbin case or incorrect bobbin insertion.

    Troubleshooting step-by-step:

    1. Remove the bobbin case and clean it thoroughly with a brush or compressed air.
    2. Ensure the bobbin is wound correctly and inserted into the case properly.
    3. Check for any thread tangles or debris in the bobbin area and remove them.
    4. Oil the bobbin case according to the manufacturer’s instructions.
  • Machine Freezing

    Description of the problem: The sewing machine freezes or stops responding.

    Cause of the problem: Software glitch or overload.

    Troubleshooting step-by-step:

    1. Turn off the machine and unplug it from the power source.
    2. Wait for a few minutes to allow the machine to reset.
    3. Check if the machine is overheating and let it cool down if necessary.
    4. If the problem persists, contact customer support for further assistance.
  • Bobbin Thread Showing on Top

    Description of the problem: The bobbin thread is visible on the top side of the fabric.

    Cause of the problem: Incorrect tension settings or bobbin threading.

    Troubleshooting step-by-step:

    1. Adjust the tension settings by tightening the upper thread tension slightly.
    2. Check if the bobbin is inserted correctly and the thread is wound evenly.
    3. Ensure the needle and thread are suitable for the fabric thickness.
    4. If the problem persists, clean the tension discs and re-thread the machine.
  • Needle Breakage

    Description of the problem: Needles frequently break while sewing.

    Cause of the problem: Using the wrong needle type or size, sewing over thick seams, or hitting pins.

    Troubleshooting step-by-step:

    1. Ensure you are using the correct needle type and size for the fabric.
    2. Slow down when sewing over thick seams and use a walking foot if necessary.
    3. Avoid sewing over pins and remove them as you go.
    4. Check for any burrs or rough spots on the needle plate and smooth them out if present.
  • Thread Tension Issues

    Description of the problem: Inconsistent thread tension causing loose or tight stitches.

    Cause of the problem: Incorrect tension settings, dirty tension discs, or thread snagging.

    Troubleshooting step-by-step:

    1. Re-thread the machine, ensuring the thread is properly seated in the tension discs.
    2. Clean the tension discs with a soft brush or compressed air to remove any buildup.
    3. Check for any thread snags or knots in the thread path and remove them.
    4. Adjust the tension settings gradually while testing on a scrap fabric until desired tension is achieved.
  • Noise During Operation

    Description of the problem: Unusual or loud noises coming from the sewing machine.

    Cause of the problem: Loose screws, worn-out parts, or debris in the machine.

    Troubleshooting step-by-step:

    1. Check for any loose screws or bolts on the machine and tighten them if necessary.
    2. Inspect the machine for worn-out or damaged parts such as gears, belts, or pulleys.
    3. Clean the machine thoroughly, removing any debris or lint that may be causing friction.
    4. If the problem persists, seek professional maintenance or repair services.
  • Bobbin Winding Problems

    Description of the problem: Difficulty in winding the bobbin evenly or smoothly.

    Cause of the problem: Improper bobbin placement, tension issues, or worn-out bobbin winding mechanism.

    Troubleshooting step-by-step:

    1. Ensure the bobbin is placed correctly on the winding spindle and the thread is properly guided.
    2. Check for any tension issues with the bobbin winding mechanism and adjust if necessary.
    3. Inspect the bobbin winding mechanism for any worn-out or damaged parts and replace them if needed.
    4. If the problem persists, consider using pre-wound bobbins or seek professional assistance.
  • Automatic Needle Threader Malfunction

    Description of the problem: The automatic needle threader fails to work properly.

    Cause of the problem: Misalignment of the needle and threader, dirt or debris obstructing the mechanism.

    Troubleshooting step-by-step:

    1. Ensure the needle is correctly positioned and aligned with the threader mechanism.
    2. Clean the needle threader area with a brush or compressed air to remove any dirt or debris.
    3. Double-check the threading path and tension settings before attempting to use the needle threader.
    4. If the problem persists, manually thread the needle or seek professional maintenance.
  • Feed Dogs Not Moving Fabric

    Description of the problem: The feed dogs fail to advance the fabric while sewing.

    Cause of the problem: Dirt or debris blocking the feed dog mechanism, feed dog height adjustment, or damaged feed dogs.

    Troubleshooting step-by-step:

    1. Clean the feed dog area thoroughly, removing any lint, dust, or thread buildup.
    2. Check the feed dog height adjustment and adjust if necessary according to the fabric thickness.
    3. Inspect the feed dogs for any signs of damage or wear and replace them if needed.
    4. If the problem persists, lubricate the feed dog mechanism or seek professional assistance.
  • Foot Pedal Unresponsive

    Description of the problem: The foot pedal does not respond when pressed.

    Cause of the problem: Loose connection, faulty foot pedal, or power supply issues.

    Troubleshooting step-by-step:

    1. Check the power cord and ensure it is securely plugged into the machine and power outlet.
    2. Inspect the foot pedal cable for any signs of damage or wear.
    3. Test the foot pedal on another compatible machine to determine if it is functioning correctly.
    4. If the foot pedal is faulty, consider replacing it or seek professional repair services.
  • Bobbin Case Loose

    Description of the problem: The bobbin case moves or falls out of place during sewing.

    Cause of the problem: Improper installation, damaged bobbin case, or loose retaining screws.

    Troubleshooting step-by-step:

    1. Ensure the bobbin case is inserted correctly and securely into its designated position.
    2. Check the retaining screws of the bobbin case and tighten them if they are loose.
    3. Inspect the bobbin case for any signs of damage or wear and replace it if necessary.
    4. If the problem persists, consider using a bobbin holder or seek professional assistance.
  • Stitch Length Irregularities

    Description of the problem: Inconsistent stitch length while sewing.

    Cause of the problem: Incorrect stitch length setting, dirty or damaged stitch length regulator, or machine vibrations.

    Troubleshooting step-by-step:

    1. Adjust the stitch length setting according to the desired stitch length.
    2. Clean the stitch length regulator mechanism to remove any dirt or debris.
    3. Inspect the machine for any loose parts or vibrations that may affect stitch length consistency.
    4. If the problem persists, consider using a stitch regulator attachment or seek professional maintenance.
  • Thread Cutter Not Functioning

    Description of the problem: The automatic thread cutter does not cut the thread after sewing.

    Cause of the problem: Blunt or misaligned thread cutter blade, mechanical issues with the thread cutter mechanism.

    Troubleshooting step-by-step:

    1. Inspect the thread cutter blade for any signs of damage or dullness and replace it if necessary.
    2. Check for any obstructions or thread buildup in the thread cutter mechanism and clean it thoroughly.
    3. Ensure the thread cutter mechanism is properly lubricated and functioning smoothly.
    4. If the problem persists, manually trim the thread with scissors or seek professional repair.
  • Thread Looping on Bottom Side

    Description of the problem: Thread loops or nests form on the underside of the fabric.

    Cause of the problem: Incorrect bobbin tension, bobbin winding issues, or debris in the bobbin area.

    Troubleshooting step-by-step:

    1. Check the bobbin tension and adjust it if necessary to ensure smooth thread tension.
    2. Re-wind the bobbin, ensuring it is wound evenly and the thread is properly seated in the bobbin case.
    3. Clean the bobbin area thoroughly, removing any lint, dust, or debris that may be causing issues.
    4. Ensure the bobbin case is properly inserted and seated in the machine.
  • Machine Skipping Stitches

    Description of the problem: The sewing machine skips stitches during sewing.

    Cause of the problem: Dull or damaged needle, incorrect needle size, or improper threading.

    Troubleshooting step-by-step:

    1. Replace the needle with a new, sharp one suitable for the fabric being sewn.
    2. Ensure the needle is inserted correctly and facing the right direction.
    3. Check the threading path and re-thread the machine, ensuring the thread is properly seated in the tension discs and guides.
    4. If the problem persists, adjust the stitch length or seek professional maintenance.
  • Bobbin Running Out Quickly

    Description of the problem: The bobbin thread runs out faster than expected.

    Cause of the problem: Bobbin tension too tight, improper bobbin winding, or bobbin size.

    Troubleshooting step-by-step:

    1. Check the bobbin tension and adjust it slightly to prevent excessive thread usage.
    2. Re-wind the bobbin, ensuring it is wound evenly and not overfilled.
    3. Ensure the correct size and type of bobbin are being used for the machine.
    4. If the problem persists, consider using a pre-wound bobbin or seek professional assistance.
  • Machine Not Powering On

    Description of the problem: The sewing machine does not turn on when the power button is pressed.

    Cause of the problem: Power cord issues, faulty power switch, or internal electrical problems.

    Troubleshooting step-by-step:

    1. Check that the power cord is securely plugged into both the machine and the power outlet.
    2. Inspect the power switch for any signs of damage or wear and test it with a multimeter.
    3. Ensure there are no tripped circuit breakers or blown fuses in the electrical supply.
    4. If the problem persists, contact customer support for further assistance or professional repair.
  • Machine Jamming

    Description of the problem: The sewing machine gets stuck or jams during operation.

    Cause of the problem: Thread tangles, debris in the machine, or mechanical issues.

    Troubleshooting step-by-step:

    1. Stop sewing immediately and turn off the machine.
    2. Remove the fabric and check for any thread tangles or knots in the thread path.
    3. Clean the machine thoroughly, removing any debris or lint that may be causing the jam.
    4. If the problem persists, check for any mechanical issues or seek professional maintenance.
  • Thread Getting Tangled in Bobbin Case

    Description of the problem: Thread becomes tangled or caught in the bobbin case.

    Cause of the problem: Improper threading, incorrect bobbin tension, or damaged bobbin case.

    Troubleshooting step-by-step:

    1. Re-thread the machine, ensuring the thread is correctly guided through the bobbin case.
    2. Check the bobbin tension and adjust it if necessary to prevent excessive thread looseness.
    3. Inspect the bobbin case for any signs of damage, burrs, or rough edges that may be catching the thread.
    4. If the problem persists, consider using a different bobbin case or seek professional maintenance.
  • Needle Bar Knocks Against Fabric

    Description of the problem: The needle bar makes a knocking noise when descending.

    Cause of the problem: Improper needle installation, bent needle, or mechanical issues.

    Troubleshooting step-by-step:

    1. Ensure the needle is inserted correctly and tightened securely in the needle clamp.
    2. Check the needle for any signs of bending or damage and replace it if necessary.
    3. Inspect the needle bar and surrounding components for any obstructions or misalignments.
    4. If the problem persists, seek professional maintenance to diagnose and repair any mechanical issues.
  • Machine Runs Slowly

    Description of the problem: The sewing machine operates at a slower speed than usual.

    Cause of the problem: Motor issues, belt slipping, or lack of lubrication.

    Troubleshooting step-by-step:

    1. Check the motor for any signs of overheating or unusual noise and replace if necessary.
    2. Inspect the drive belt for any signs of wear or slipping and adjust or replace it if needed.
    3. Lubricate the moving parts of the machine according to the manufacturer’s instructions.
    4. If the problem persists, contact customer support for further assistance or professional repair.
  • Uneven Feed Dog Movement

    Description of the problem: The feed dogs move unevenly, causing fabric distortion.

    Cause of the problem: Dirt or debris in the feed dog mechanism, damaged feed dog gears, or improper adjustment.

    Troubleshooting step-by-step:

    1. Clean the feed dog mechanism thoroughly, removing any lint, dust, or debris.
    2. Inspect the feed dog gears for any signs of damage or wear and replace them if necessary.
    3. Adjust the feed dog height and alignment according to the fabric thickness and sewing requirements.
    4. If the problem persists, seek professional maintenance to diagnose and repair any mechanical issues.
  • Lighting Issues

    Description of the problem: Insufficient or flickering lighting while sewing.

    Cause of the problem: Loose or damaged light bulb, faulty wiring, or power supply issues.

    Troubleshooting step-by-step:

    1. Turn off the machine and unplug it from the power source.
    2. Check the light bulb for any signs of damage or looseness and replace it if necessary.
    3. Inspect the wiring connections and ensure they are securely connected and not damaged.
    4. If the problem persists, contact customer support for further assistance or professional repair.

Husqvarna Viking Prisma 990 Sewing Machine Manual

You can find the operating instructions for the Husqvarna Viking Prisma 990 sewing machine on the manufacturer’s website.

Frequently Asked Questions

Q: How can I troubleshoot thread breakage issues with my Husqvarna Viking Prisma 990?

A: Thread breakage can be caused by incorrect threading or tension settings. Try re-threading the machine following the user manual’s instructions and adjusting the tension settings accordingly.

Q: What should I do if my machine freezes during operation?

A: If your Husqvarna Viking Prisma 990 freezes, try turning it off, unplugging it, and allowing it to reset for a few minutes. If the problem persists, contact customer support for further assistance.

Q: Why does my machine produce uneven stitching?

A: Uneven stitching can be caused by a variety of factors, including incorrect needle position or damaged needles. Ensure the needle is inserted correctly and securely, and replace it if necessary.

Q: How do I address bobbin jamming issues with my Husqvarna Viking Prisma 990?

A: If your bobbin jams frequently, try removing the bobbin case and cleaning it thoroughly. Ensure the bobbin is wound correctly and inserted properly into the case.

Q: What should I do if my machine is making unusual noises?

A: Unusual noises can indicate loose screws, worn-out parts, or debris in the machine. Check for loose screws and inspect the machine for worn-out or damaged parts. Clean the machine thoroughly to remove any debris.

Conclusion

It is always advisable to refer to the manual, contact customer service, or visit a service center whenever you encounter a problem with your Husqvarna Viking Prisma 990 sewing machine.


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