Introduction
This manual provides essential instructions for the safe and effective use of your GUY-TECH AC Adapter Charger, designed as a compatible replacement power supply for the Xterra SB2.5 Stationary Bicycle. Please read this manual thoroughly before use and retain it for future reference.
Setup Instructions
Follow these steps to properly set up your AC adapter charger:
- Verify Compatibility: Ensure your device is an Xterra SB2.5 Stationary Bicycle. This adapter is specifically designed for this model.
- Inspect the Adapter: Before connecting, visually inspect the adapter and its cord for any signs of damage. Do not use if damaged.
- Connect to Device: Locate the power input port on your Xterra SB2.5 Stationary Bicycle. Insert the barrel connector of the AC adapter firmly into this port.
- Connect to Power Outlet: Plug the AC adapter's power plug into a standard electrical wall outlet (100V - 240V). The adapter features a Type E - 2 pin (French) plug, but is designed for worldwide input voltage compatibility.
- Power Indicator: The adapter is equipped with an LED indicator. Once properly connected to a power source, the LED should illuminate, indicating that power is being supplied.

Image: The GUY-TECH AC Adapter Charger, highlighting its 5-foot cord length and integrated LED indicator for power status.
Operating Instructions
Once the adapter is correctly set up, it will provide power to your Xterra SB2.5 Stationary Bicycle. The LED indicator serves as a visual confirmation of power delivery.
- Automatic Operation: The adapter operates automatically when connected to a power source and the device. No manual controls are required.
- Safety Features: This adapter includes built-in protections against over voltage, over current, and short circuits to ensure safe operation and protect your device.
- LED Indicator: A lit LED indicates that the adapter is receiving power and is ready to supply power to your bicycle. If the LED is off, check connections or the power outlet.
Maintenance
Proper care and maintenance will extend the life of your AC adapter charger:
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. 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 to prevent damage.
- Cord Care: Do not bend, twist, or pull the power cord excessively. Avoid placing heavy objects on the cord.
Troubleshooting
If you encounter issues with your AC adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to device / LED indicator off | Adapter not plugged in correctly; Power outlet not active; Damaged adapter/cord. | Ensure both ends of the adapter are securely connected. Test the power outlet with another device. Inspect the adapter and cord for damage; replace if necessary. |
| Device not functioning correctly with adapter | Incorrect adapter for device; Device malfunction. | Confirm the adapter is compatible with Xterra SB2.5. If the adapter's LED is on, the issue might be with the bicycle itself. |
| Adapter feels unusually hot | Overload; Poor ventilation; Internal fault. | Disconnect immediately. Ensure the adapter is not covered and has adequate ventilation. If overheating persists, discontinue use and replace. |
Product Specifications
- Brand: GUY-TECH
- Compatible Devices: Xterra SB2.5 Stationary Bicycle
- Input Voltage: 100V - 240V (Worldwide compatible)
- Wattage: 40 watts
- Power Source: Corded Electric
- Cord Length: 5 Feet
- Connector Type: Barrel Connector
- Main Power Connector Type: 2 Pin
- Power Plug: Type E - 2 pin (French)
- Connectivity Technology: DC Barrel
- Special Features: Over Voltage Protection, Over Current Protection, Short Circuit Protection, LED Indicator
- Item Weight: 5 Ounces
- Mounting Type: Wall Mount (refers to plug design)
- ASIN: B08WQ4FTQ3
- GTIN/UPC: 709081178645
Warranty and Support
Warranty: This product comes with a 30-day refund warranty from the date of purchase. Please retain your proof of purchase for any warranty claims.
Customer Support: For any questions, concerns, or technical assistance not covered in this manual, please contact the seller or manufacturer directly through the platform where the product was purchased. Provide your product model number (AC Adapter for Xterra SB2.5 Stationary Bicycle) and ASIN (B08WQ4FTQ3) for faster service.