1. Introduction
This manual provides essential instructions for the safe and effective use of your Syofeetked AC DC Adapter Cord, model HM-15. Please read this guide thoroughly before connecting or operating the adapter to ensure proper function and to prevent damage to your device or the adapter itself. This adapter is designed as a replacement power supply for compatible Shark Euro-Pro Dressmaker Sewing Machines.
2. Product Overview
The Syofeetked HM-15 AC DC Adapter Cord is a high-quality replacement power supply designed to provide reliable power to your compatible sewing machine. It features built-in protections to safeguard against common electrical issues.
Key Features:
- Input Voltage: 100V - 244V (worldwide compatibility)
- Safety Protections: Over-voltage protection, over-current protection, short-circuit protection
- Compatibility: Specifically designed for Shark Euro-Pro 998A, 998B, 998H Dressmaker Sewing Machines



3. Setup Instructions
Follow these steps to correctly connect your AC DC Adapter Cord to your sewing machine:
- Verify Compatibility: Ensure your sewing machine is a Shark Euro-Pro 998A, 998B, or 998H model. Using an incompatible adapter can damage your machine.
- Locate Power Port: Identify the DC power input port on your sewing machine. This is typically a circular port.
- Connect DC Output: Carefully insert the barrel connector of the adapter cord into the power input port of your sewing machine. Ensure it is fully seated and secure. Do not force the connector.
- Connect AC Input: Plug the 2-pin AC wall plug of the adapter into a standard electrical wall outlet (100V-244V).
- Power Indicator: Observe the red indicator light on the adapter. It should illuminate, indicating that the adapter is receiving power.
Note: Always connect the adapter to the device first, then to the wall outlet, to minimize the risk of electrical surges.
4. Operating Instructions
Once the adapter is correctly connected and powered, your sewing machine should be ready for operation. Refer to your sewing machine's specific user manual for detailed operating instructions.
- Ensure all connections remain secure during use.
- Avoid placing the adapter in areas where it could be covered, which might lead to overheating.
- If the adapter feels excessively hot to the touch, disconnect it immediately and allow it to cool.
5. Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter:
- Cleaning: Disconnect the adapter from both the wall outlet and the sewing machine before cleaning. Use a soft, dry cloth to wipe the adapter. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly winding the cord.
- Inspection: Periodically inspect the adapter cord and connectors for any signs of damage, such as fraying, cuts, or bent pins. If any damage is observed, discontinue use immediately and replace the adapter.
- Unplugging: Always grasp the plug firmly when unplugging from the wall outlet or the sewing machine; do not pull on the cord.
6. Troubleshooting
If you encounter issues with your adapter, refer to the following troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| Sewing machine does not power on. | Adapter not receiving power. Adapter not properly connected to machine. Faulty wall outlet. Incompatible adapter. | Check if the adapter's indicator light is on. Ensure the adapter is fully plugged into a working wall outlet. Verify the barrel connector is securely inserted into the sewing machine. Confirm the adapter is correct for your sewing machine model. |
| Adapter feels excessively hot. | Overload or poor ventilation. Internal fault. | Unplug immediately. Ensure the adapter is in a well-ventilated area and not covered. If the issue persists after cooling, discontinue use and replace. |
| Adapter indicator light is off. | No power from outlet. Adapter fault. | Test the wall outlet with another device. Check all connections. If the outlet is working and connections are secure, the adapter may be faulty and require replacement. |
If these steps do not resolve the issue, please contact customer support for further assistance.
7. Specifications
- Model: HM-15
- Brand: Syofeetked
- Input Voltage: 100V - 244V AC
- Output Current: 1 Amp
- Output Connector Type: DC Barrel Connector
- AC Plug Type: 2-Pin US Standard
- Special Features: Over-voltage protection, over-current protection, short-circuit protection
- Manufacturer: Syofeetked
- Date First Available: May 31, 2024
Note: The output voltage is not explicitly specified. It is crucial to ensure this adapter's voltage matches the requirements of your specific Shark Euro-Pro sewing machine model (998A, 998B, 998H) to prevent damage. Typically, sewing machine adapters provide a specific DC voltage (e.g., 6V, 9V, 12V).
8. Warranty and Support
For warranty information or technical support regarding your Syofeetked AC DC Adapter Cord, please refer to the product packaging or contact the seller directly through your purchase platform. Keep your proof of purchase for warranty claims.
For general inquiries or to report issues, you may visit the manufacturer's website or contact their customer service department if contact details are provided with the product.





