Introduction
This manual provides essential instructions for the safe and effective use of your MafiaNumerique 9V power adapter, designed for compatibility with the Domyos VM 300 exercise bike. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
- Ensure the charger is used with a compatible power outlet (220V).
- Do not expose the charger to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the charger to strong impacts.
- Do not attempt to disassemble or modify the charger.
- Keep out of reach of children.
- Unplug the charger from the power outlet when not in use for extended periods.
Package Contents
- 1 x MafiaNumerique 9V Power Adapter (Model 1)
Setup Instructions
- Identify the Power Port: Locate the 9V DC input port on your Domyos VM 300 exercise bike.
- Connect to Bike: Insert the output connector of the MafiaNumerique 9V charger into the power port of your Domyos VM 300 exercise bike. Ensure a secure connection.
- Connect to Power Outlet: Plug the charger's AC plug into a standard 220V wall outlet.
- Verify Connection: Once connected, your Domyos VM 300 exercise bike should power on or indicate that it is receiving power.

Image 1: The MafiaNumerique 9V power adapter, showing the main unit, coiled cable, and European-style plug. The cable is neatly secured with a strap.
Operating Instructions
Once the charger is properly connected to both the Domyos VM 300 exercise bike and a power outlet, the exercise bike will receive power. There are no additional operational steps required for the charger itself. The charger provides continuous power to the device as long as it is plugged in.

Image 2: A side view of the MafiaNumerique 9V power adapter, emphasizing the two-pin European plug and the cable management strap.
Maintenance and Care
- Cleaning: Disconnect the charger from the power outlet and the exercise bike before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, store the charger in a cool, dry place, away from direct sunlight and moisture. Coil the cable neatly to prevent tangling or damage.
- Inspection: Periodically inspect the cable and connectors for any signs of wear, fraying, or damage. If any damage is observed, discontinue use immediately.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Exercise bike not powering on. | Charger not properly connected. Power outlet not functioning. Charger or bike fault. | Ensure both ends of the charger are securely plugged in. Test the power outlet with another device. If issues persist, contact support. |
| Unusual smell or noise from charger. | Internal fault or overheating. | Immediately unplug the charger from the wall and the bike. Do not use it again. Contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | MafiaNumerique |
| Model Number | 1 |
| Input Voltage | 220 Volts AC |
| Output Voltage | 9.00 Volts DC |
| Output Current | 1 Ampere |
| Cable Length | 1.20 meters |
| Compatibility | Domyos VM 300 Exercise Bike |
Warranty Information
This MafiaNumerique charger comes with a 2-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or external causes.
Please retain your proof of purchase for warranty claims.
Support
For technical assistance, warranty claims, or any questions regarding your MafiaNumerique 9V charger, please contact the retailer or manufacturer directly. Refer to your purchase documentation for contact details.