1. Introduction
Welcome to the user manual for your new Singer SE9155 Sewing and Embroidery Machine. This versatile machine is designed to bring your creative projects to life, offering both advanced sewing functionalities and intricate embroidery capabilities. This manual provides essential information for safe operation, setup, usage, and maintenance to ensure optimal performance and longevity of your machine. Please read all instructions carefully before operating the machine.

Image 1.1: The Singer SE9155 Sewing and Embroidery Machine, a white machine with a large color touchscreen display on the right side, and an embroidery unit attached to the left.
2. Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury to persons.
- Read all instructions before using the machine.
- Keep fingers away from all moving parts. Special care is required around the sewing machine needle.
- Always switch the sewing machine off when making any adjustments in the needle area, such as threading the needle, changing the needle, threading the bobbin, or changing the presser foot.
- Never operate the machine with any air openings blocked. Keep ventilation openings of the sewing machine and foot controller free from lint, dust, and loose cloth.
- Do not use outdoors.
- Unplug the machine from the electrical outlet when not in use.
3. Product Overview
The Singer SE9155 combines advanced technology with user-friendly features to enhance your sewing and embroidery experience.
Key Features:
- Large Color Touchscreen: View projects and make adjustments directly on the screen.
- Automatic Needle Threader: Simplifies threading with a side threading lever.
- Extensive Embroidery Designs: 150 built-in designs.
- Multiple Embroidery Fonts: 10 internal embroidery fonts in three sizes (uppercase, lowercase, numbers, symbols).
- Generous Embroidery Area: Embroider projects up to 170 x 100 mm (6.7 x 4 inches) with the included hoop.
- Over 250 Sewing Stitches: A wide variety for basic, decorative, and specialized sewing.
- Internal Sewing Fonts: 4 built-in sewing fonts for personalizing projects.
- 1-Step Buttonhole: Creates consistent buttonholes quickly.
- Spacious Sewing Area: 165 mm (6.5 inches) distance from needle to machine body, ideal for larger projects like quilts.

Image 3.1: The Singer SE9155 machine with the embroidery unit attached, ready for embroidery tasks.
4. Setup
4.1 Unpacking and Placement
- Carefully remove the machine from its packaging.
- Place the machine on a stable, level surface.
- Ensure adequate lighting and space for operation.
4.2 Power Connection
- Connect the power cord to the machine and then to a suitable electrical outlet.
- Turn on the power switch, usually located on the side of the machine.
4.3 Initial Threading
Refer to the on-screen instructions or the detailed threading diagrams in the quick start guide for precise upper thread and bobbin winding/insertion. The automatic needle threader simplifies the final step of threading the needle.
5. Operating - Sewing Functions
5.1 Stitch Selection
Use the large color touchscreen to navigate through the over 250 built-in sewing stitches. Select the desired stitch for your project, and the machine will display recommended settings for length and width.
5.2 Using Sewing Fonts
The machine includes 4 internal sewing fonts. Access these through the touchscreen to personalize your projects with words or phrases.
5.3 1-Step Buttonhole
Attach the 1-step buttonhole foot. Place a button in the designated area on the foot. The machine will automatically sew a buttonhole perfectly sized for your button.
6. Operating - Embroidery Functions
6.1 Attaching the Embroidery Unit
Ensure the machine is turned off. Slide the embroidery unit onto the free arm of the machine until it clicks securely into place.
6.2 Design Selection and Customization
Turn on the machine. The touchscreen will switch to embroidery mode.
- Built-in Designs: Choose from 150 high-quality built-in embroidery designs.
- Embroidery Fonts: Select from 10 internal embroidery fonts to add monograms or text. These are available in three different sizes, including uppercase, lowercase letters, numbers, and symbols.
- On-Screen Editing: The machine allows you to move, combine, rotate, and resize designs directly on the color screen without additional software.

Image 6.1: The Singer SE9155's color touchscreen showing a selected floral embroidery design and options for other designs.
6.3 Hooping Fabric
Secure your fabric and stabilizer within the 170 x 100 mm embroidery hoop. Ensure the fabric is taut and wrinkle-free. Attach the hooped fabric to the embroidery unit.

Image 6.2: A close-up view of the Singer SE9155 machine actively embroidering a red and green floral design onto white fabric held taut in an embroidery hoop.
7. Maintenance
Regular maintenance ensures the smooth operation and longevity of your machine.
- Cleaning: Regularly clean the bobbin area, feed dogs, and needle plate with a small brush to remove lint and dust. Always unplug the machine before cleaning.
- Needle Replacement: Change the needle frequently, especially when starting a new project or if the needle shows signs of dullness or bending. Use only appropriate needles for your fabric type.
- Storage: When not in use, cover the machine to protect it from dust.
8. Troubleshooting
This section addresses common issues you might encounter. For more complex problems, consult a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Skipped Stitches | Incorrect needle, bent needle, improper threading. | Replace needle, re-thread machine, ensure correct needle type for fabric. |
| Thread Breaking | Incorrect tension, poor quality thread, improperly threaded, burr on needle plate. | Adjust tension, use quality thread, re-thread machine, check for burrs. |
| Fabric Not Feeding | Feed dogs lowered, presser foot pressure incorrect. | Raise feed dogs, adjust presser foot pressure. |
| Embroidery Not Centered | Fabric not hooped correctly, design not aligned. | Re-hoop fabric, use on-screen alignment tools. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | SE9155 |
| Brand | Singer |
| Material | Plastic |
| Weight | 10 Kilograms |
| Dimensions (L x W x H) | 20P x 40l x 30H centimeters (approximate) |
| Power Source | Electric Cable |
| Embroidery Designs | 150 built-in |
| Embroidery Fonts | 10 (3 sizes) |
| Embroidery Area | 170 x 100 mm (6.7 x 4 inches) |
| Sewing Stitches | Over 250 |
| Sewing Fonts | 4 built-in |
| Buttonhole Type | 1-Step |
| Needle-to-Machine Distance | 165 mm (6.5 inches) |
| Display | Large Color Touchscreen |
| Needle Threader | Automatic |
10. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Singer website. For technical support, spare parts, or service inquiries, please contact Singer customer service directly. Keep your purchase receipt as proof of purchase.
Online Resources: Many tutorials and support documents are available online. Search for "Singer SE9155 tutorials" or visit the Singer support page for additional assistance.







