SINGER M1250 Common Problems and Troubleshooting

The SINGER M1250 sewing machine is a versatile and reliable tool for both beginners and experienced sewists. With its array of features and user-friendly design, it’s no wonder that it has gained popularity among sewing enthusiasts. However, like any piece of machinery, the SINGER M1250 may encounter common problems from time to time. Whether you’re experiencing issues with the stitching quality, tension, or other components, this article is your comprehensive guide to troubleshooting and resolving these common setbacks.

Throughout this article, we’ll delve into a variety of common problems that SINGER M1250 users may encounter, such as thread tension issues, bobbin problems, needle-related concerns, and more. We’ll provide step-by-step instructions on how to identify these issues and implement effective solutions, ensuring that your sewing machine continues to perform at its best.

So, if you’ve ever found yourself puzzled by your SINGER M1250 sewing machine’s behavior, fret not. Our troubleshooting guide will equip you with the knowledge and confidence to tackle these problems head-on, allowing you to unleash your creativity without interruption. Let’s dive in and unravel the mysteries behind SINGER M1250 common problems and their solutions.

SINGER M1250 Overview

The SINGER M1250 sewing machine is designed to be lightweight and portable, making it an ideal choice for sewing classes or crafting in smaller spaces. With features like the top drop-in bobbin, 45 stitch applications, and easy stitch selection, both beginners and experienced sewists can find this machine user-friendly. Whether you’re sewing garments, quilting, crafting, or performing simple repairs, the SINGER M1250 has you covered.

The SINGER® M1250 sewing machine offers an array of features that make sewing a breeze. It comes equipped with 45 stitch applications, allowing for various sewing techniques. The machine’s top drop-in bobbin system ensures easy threading and monitoring of thread supply. The intuitive stitch selection dial simplifies the process of choosing stitches, and the long-lasting LED lighting illuminates your workspace effectively. Additionally, the machine boasts a free arm for sewing smaller or tubular projects, and a soft machine cover is provided for dust protection when not in use.

SINGER M1250 Product Details and Features

Stitch Applications45 built-in stitch applications for versatile sewing techniques.
Four-Step ButtonholeEasy four-step buttonhole sewing with clear instructions on the Stitch Selector Dial.
Top Drop In BobbinTransparent bobbin and cover for convenient thread monitoring and easy threading.
Easy Stitch Selection DialIntuitive dial for selecting desired stitches effortlessly.
LED LightingLong-lasting LED lighting for bright, cool illumination of the workspace.
Free ArmRemovable storage compartment provides access to the free arm, perfect for sewing small projects.
Machine CoverSoft cover included to keep the machine dust-free during storage.
Machine Size16.73″ L x 6.85″ W x 12.59″ H
Machine Weight10.41 lbs

Causes of Common Problems with the SINGER M1250

This section will delve into various common problems that users may encounter with the SINGER M1250 sewing machine and provide troubleshooting solutions for each issue.

1. Thread Tension Issues

Description: Improper thread tension can lead to uneven stitches and fabric puckering.

Cause: Incorrect threading of the machine or incorrect tension settings.


  1. Check the threading diagram in the user manual and ensure the thread is correctly threaded through all guides.
  2. Adjust the tension dial to the recommended setting for the fabric you’re working with.
  3. Test the tension on a scrap piece of fabric before starting your project.

2. Bobbin Jamming

Description: The bobbin thread gets tangled or jams during sewing.

Cause: Incorrect bobbin insertion, tangled thread, or debris in the bobbin area.


  1. Remove the bobbin and reinsert it, making sure it’s wound and inserted correctly.
  2. Clean the bobbin area, removing any lint, thread pieces, or debris.
  3. Ensure the bobbin thread is pulled through the bobbin case smoothly.

3. Skipped Stitches

Description: Stitches are missing in certain areas, causing an uneven look.

Cause: Dull or bent needle, incorrect needle size, or incorrect stitch setting.


  1. Replace the needle with a new one and ensure it’s the correct size for the fabric.
  2. Choose the appropriate stitch for your project and fabric type.
  3. Check the needle’s positioning and make sure it’s properly inserted.

4. Uneven Feed Dogs

Description: Fabric isn’t feeding evenly, causing uneven stitches.

Cause: Feed dogs not properly engaged, incorrect presser foot pressure, or fabric type.


  1. Make sure the feed dogs are in the up position and engaged with the fabric.
  2. Adjust the presser foot pressure according to the fabric thickness.
  3. Choose the appropriate presser foot for the fabric type to prevent slippage.

5. Thread Breakage

Description: The thread frequently breaks during sewing.

Cause: Poor-quality thread, incorrect threading, or needle-related issues.


  1. Use high-quality thread appropriate for your fabric.
  2. Re-thread the machine, ensuring the thread is properly seated in all guides.
  3. Check the needle for any burrs or damage and replace if necessary.

6. Fabric Jamming in the Feed Dogs

Description: The fabric gets stuck in the feed dogs and doesn’t move smoothly.

Cause: Improper fabric positioning, feed dogs not properly engaged, or excessive fabric thickness.


  1. Ensure the fabric is positioned correctly and is not too thick for the machine.
  2. Engage the feed dogs properly to grip the fabric as it should.
  3. Use a suitable presser foot for heavy fabrics and adjust presser foot pressure if necessary.

7. Uneven Bobbin Tension

Description: The bobbin thread appears uneven or loose on the fabric’s underside.

Cause: Incorrect bobbin threading, lint in the bobbin case, or bobbin tension issues.


  1. Check the bobbin threading diagram and make sure the thread is properly wound and inserted.
  2. Clean the bobbin case area from lint or thread buildup.
  3. Adjust the bobbin tension slightly, testing on a scrap piece of fabric.

8. Noisy Operation

Description: The sewing machine produces loud or unusual noises while in use.

Cause: Loose parts, debris in the machine, or lack of lubrication.


  1. Tighten any loose screws or parts that may be causing the noise.
  2. Remove the bobbin case and clean any debris or lint from the machine’s internals.
  3. Lubricate the machine’s moving parts as per the user manual’s instructions.

9. Needle Breakage

Description: Needles break frequently during sewing.

Cause: Using incorrect needle type, incorrect needle insertion, or sewing through heavy layers.


  1. Use the appropriate needle type for your fabric, considering thickness and material.
  2. Ensure the needle is inserted correctly and fully into the needle holder.
  3. When sewing through thick layers, go slowly and consider using a walking foot or a jeans/denim needle.

10. Skipped Buttonholes

Description: Buttonhole stitches are skipped or incomplete.

Cause: Incorrect buttonhole setting, fabric thickness, or improper presser foot pressure.


  1. Select the correct buttonhole setting and ensure the fabric is properly positioned.
  2. If the fabric is thick, consider using a stabilizer and sewing slowly.
  3. Adjust the presser foot pressure to accommodate thicker fabrics and prevent slippage.

11. Thread Bunching on the Underside

Description: The thread forms knots or bunches on the underside of the fabric.

Cause: Incorrect threading of the top thread, improperly wound bobbin, or lint in the bobbin case.


  1. Re-thread the top thread, ensuring it follows the correct path according to the threading diagram.
  2. Check the bobbin winding process and make sure the thread is wound evenly and smoothly.
  3. Clean the bobbin case area from lint or thread buildup that might be affecting thread tension.

12. Uneven Stitches

Description: Stitches appear uneven in length or tension across the fabric.

Cause: Incorrect presser foot pressure, uneven fabric feeding, or inconsistent thread tension.


  1. Adjust the presser foot pressure based on the fabric type to ensure smooth feeding.
  2. Check the feed dog alignment and ensure they’re moving the fabric evenly.
  3. Review and adjust the thread tension settings for balanced stitches.

13. Needle Threader Malfunction

Description: The automatic needle threader fails to work properly.

Cause: Misalignment of the needle and threader, incorrect usage, or threader mechanism issues.


  1. Ensure the needle is at its highest position before attempting to use the threader.
  2. Follow the user manual’s instructions closely to use the threader correctly.
  3. If the threader still doesn’t work, inspect for any visible obstructions or issues with the mechanism.

14. Fabric Puckering

Description: The fabric gathers or puckers excessively while sewing.

Cause: Incorrect tension settings, incorrect presser foot, or using the wrong needle for the fabric.


  1. Adjust the tension settings, testing on scrap fabric to achieve the right balance.
  2. Use a suitable presser foot for the fabric type to prevent excessive pressure that can cause puckering.
  3. Ensure you’re using the correct needle type and size for the fabric you’re sewing.

15. Motor Running But Needle Not Moving

Description: The sewing machine motor is running, but the needle isn’t moving.

Cause: Loose or disengaged drive belt, jammed parts, or issues with the machine’s internal mechanisms.


  1. Check if the drive belt is properly connected and engaged with the machine’s mechanisms.
  2. Inspect the machine’s internal components for any visible obstructions or jammed parts.
  3. If the problem persists, consider contacting a professional technician for further assessment and repair.

16. Uneven Thread Tension

Description: Stitches show variations in tension, with some loose and others tight.

Cause: Incorrect threading, damaged tension discs, or debris in the tension mechanism.


  1. Re-thread the machine, ensuring the thread passes through all tension discs correctly.
  2. Inspect the tension discs for any signs of damage or wear, and replace if necessary.
  3. Clean the tension mechanism area from lint, dust, or debris that might affect tension consistency.

17. Needle Hits the Bobbin Case

Description: The needle strikes the bobbin case, causing bending or breakage.

Cause: Incorrect needle insertion, improperly positioned bobbin case, or needle-bar issues.


  1. Ensure the needle is inserted correctly, with the flat side facing the back of the machine.
  2. Check that the bobbin case is positioned properly and securely in its designated slot.
  3. If the problem persists, there might be an issue with the needle-bar alignment that requires professional attention.

18. Stitches Skipping on Thick Fabrics

Description: The machine skips stitches while sewing through thick or layered fabrics.

Cause: Inadequate presser foot pressure, using the wrong needle size, or improper fabric handling.


  1. Adjust the presser foot pressure to ensure proper fabric feeding, especially for thicker materials.
  2. Choose a needle size appropriate for the fabric thickness and ensure it’s securely inserted.
  3. Sew slowly and guide the fabric gently to prevent bunching or jamming in the machine.

19. Jammed Reverse Stitch Lever

Description: The reverse stitch lever is stuck or doesn’t engage properly.

Cause: Debris accumulation, lack of lubrication, or mechanical issues with the lever mechanism.


  1. Clean the area around the reverse stitch lever to remove any debris that might be hindering its movement.
  2. Lubricate the lever’s mechanism as per the manufacturer’s recommendations to ensure smooth operation.
  3. If the lever remains stuck, consult the user manual or contact customer support for further assistance.

20. Irregular Bobbin Winding

Description: The bobbin winding process is uneven or stops prematurely.

Cause: Incorrect bobbin placement, loose bobbin winder tension, or bobbin winding mechanism issues.


  1. Ensure the bobbin is placed securely on the winder spindle before starting the winding process.
  2. Adjust the bobbin winder tension if available, ensuring it’s tight enough to wind the thread evenly.
  3. If problems persist, there might be issues with the bobbin winding mechanism that require professional assessment.

21. Fabric Not Feeding Properly

Description: The fabric isn’t moving forward while sewing.

Cause: Incorrect presser foot pressure, feed dogs not engaged, or fabric caught in the feed dogs.


  1. Adjust the presser foot pressure to ensure the fabric is feeding properly.
  2. Make sure the feed dogs are engaged and moving the fabric as they should.
  3. Check for any fabric caught in the feed dogs and remove it carefully.

22. Needle Thread Keeps Breaking

Description: The needle thread breaks frequently during sewing.

Cause: Incorrect threading, tension too tight, or rough needle hole in the fabric.


  1. Re-thread the machine, ensuring the thread is properly seated in all guides.
  2. Adjust the tension settings to a slightly looser setting and test on scrap fabric.
  3. Use a smoother needle or a needle with a larger eye if the fabric is causing excessive friction.

23. Uneven Feed Dog Movement

Description: The feed dogs move unevenly, causing fabric to gather or stretch.

Cause: Dirty or damaged feed dogs, lack of lubrication, or mechanical issues.


  1. Clean the feed dogs thoroughly and remove any debris or lint accumulation.
  2. Lubricate the feed dog mechanism as recommended in the user manual.
  3. If problems persist, there might be underlying mechanical issues that require professional attention.

24. Stitch Selector Dial Issues

Description: The stitch selector dial is difficult to turn or doesn’t engage properly.

Cause: Dirt or debris in the dial mechanism, loose parts, or internal misalignment.


  1. Clean around the stitch selector dial area to remove any dirt or debris that might hinder its movement.
  2. Check for loose parts and tighten any screws if necessary.
  3. If the dial still doesn’t work smoothly, there might be internal issues that need professional inspection.

25. Bobbin Thread Not Catching

Description: The bobbin thread doesn’t form stitches on the fabric’s underside.

Cause: Improper bobbin insertion, incorrect threading, or bobbin case issues.


  1. Re-insert the bobbin, ensuring it’s placed correctly and the thread is pulled through the bobbin case’s tension slot.
  2. Check the bobbin threading and make sure it follows the correct path.
  3. If the problem continues, inspect the bobbin case for any damage or misalignment.

SINGER M1250 Sewing Machine User Reviews

In this section, we present a collection of user reviews for the SINGER M1250 sewing machine, sourced from online platforms. These reviews provide insights into the experiences of individuals who have used the SINGER M1250 sewing machine for various purposes. We have categorized the feedback into positive and negative aspects, highlighting the strengths and potential concerns associated with this machine.

Positive Reviews from SINGER M1250 Users

  • Some users were satisfied with the compact and lightweight design of the SINGER M1250, making it easy to transport and store.
  • Positive feedback centered around the machine’s smooth operation, allowing users to carry out basic sewing tasks with ease.
  • Several customers appreciated the variety of stitch options available, including zig-zag stitches and straight stitches, for different sewing needs.
  • The machine’s user-friendly interface, with features like tension adjustment and reverse stitching, was praised for its simplicity.
  • Many users found the SINGER M1250 suitable for quick mending tasks and smaller projects due to its efficiency and portability.

The positive feedback from SINGER M1250 users highlights its suitability for lightweight sewing tasks, offering convenience and ease of use for a variety of projects.

Negative User Reviews of the SINGER M1250

  • Some users expressed dissatisfaction with the small size of the machine, finding it challenging to manipulate and thread, particularly for individuals with larger hands.
  • Negative feedback was related to difficulties in threading the needle and following the machine’s directions, leading to frustration for certain users.
  • While the lightweight design was appreciated by some, others found it insufficient to accommodate their sewing needs, especially for more complex projects.
  • One user mentioned issues with bobbin winding and needle threading initially, requiring time to adapt to the machine’s operation.
  • There were mixed experiences with noise levels, with some users finding the machine a bit clunky-sounding during operation.

The negative feedback highlights concerns related to the machine’s size, threading difficulties, and noise levels. However, these issues vary among users and may depend on individual preferences and requirements.

The majority of users found the SINGER M1250 sewing machine suitable for their needs, appreciating its lightweight and portable design. While some encountered challenges with threading and sizing, many were able to achieve successful results with this machine.

SINGER M1250 101 Frequently Asked Questions

Q: Why is my thread tension uneven?

A: Uneven thread tension can result from incorrect threading or improper tension settings. Ensure that you’ve threaded the machine following the diagram in the manual and adjust the tension dial according to your fabric type.

Q: How can I prevent my fabric from bunching up while sewing?

A: Fabric bunching can occur due to incorrect presser foot pressure or feed dog engagement. Adjust the presser foot pressure to match your fabric’s thickness and ensure the feed dogs are properly engaged.

Q: Why does the needle keep breaking?

A: Needle breakage can happen due to using the wrong needle type or size for your fabric, or if the needle is damaged. Make sure you’re using the correct needle and replace it if it’s bent or damaged.

Q: How do I fix skipped stitches?

A: Skipped stitches can be caused by various factors, including dull needles, incorrect stitch settings, or fabric not feeding properly. Try changing to a new needle, adjusting the stitch length, and ensuring the fabric feeds smoothly.

Q: What should I do if the bobbin thread is not catching?

A: If the bobbin thread isn’t catching, double-check that the bobbin is inserted correctly and the thread is pulled through the tension slot. You may also need to re-thread the machine following the manual’s instructions.


Whenever you encounter a problem with your SINGER M1250 sewing machine, remember that the user manual is a valuable resource for troubleshooting. In addition, reaching out to customer service or visiting a service center can provide expert assistance tailored to your specific issue. Don’t hesitate to seek help whenever needed to ensure smooth sewing experiences.

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