1. Introduction
This manual provides essential instructions for the safe and efficient use of your UpBright AC Adapter. This switching mode power supply is designed to provide reliable power to a range of Sunny Health & Fitness exercise equipment. It features universal input voltage compatibility and incorporates multiple safety protections to ensure safe operation.
2. Package Contents
- 1 x UpBright AC Adapter
- 1 x Suitable Outlet Adapter (pre-selected to fit your country/area)
3. Setup Instructions
Follow these steps to set up your AC adapter:
- Select the Correct Plug: Your AC adapter comes with a suitable outlet adapter for your region (e.g., US, EU, UK, AU). Ensure the correct adapter is attached to the main power unit.
- Connect to Power Outlet: Plug the AC adapter into a standard wall power outlet (100-240VAC, 50-60Hz).
- Connect to Device: Insert the DC output plug of the adapter into the power input port of your Sunny Health & Fitness exercise equipment.


4. Operating Instructions
Once properly connected, the AC adapter will supply power to your device. No further action is required for the adapter itself. Ensure your exercise equipment is switched on according to its own instruction manual.
5. Care and Maintenance
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to moisture, extreme temperatures, or direct sunlight.
- Do not attempt to open or repair the adapter. Refer to qualified personnel for service.
- Store the adapter in a cool, dry place when not in use.
6. Troubleshooting
If your device is not receiving power, perform the following checks:
- Check Connections: Ensure the AC adapter is securely plugged into both the wall outlet and your exercise equipment.
- Verify Power Outlet: Test the wall outlet with another device to confirm it is functioning correctly.
- Inspect Cables: Check the adapter cable for any visible damage or kinks.
- Device Power Switch: Ensure the power switch on your exercise equipment is in the 'ON' position.
If the issue persists after these checks, contact customer support.
7. Technical Specifications
| Feature | Description |
|---|---|
| Input Voltage | 100-240VAC (Worldwide compatible) |
| Input Frequency | 50-60Hz |
| Output Type | DC |
| Connection | Plug In |
| Protection Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Efficiency | High efficiency and low power consumption |
| Certification | FCC |
| Use | Switching |


8. Compatible Models
This AC adapter is compatible with the following Sunny Health & Fitness exercise equipment models:
- SF-B2883 SFB2883 Magnetic Upright Programmable Exercise Bike
- SF-E3862 SFE3862 Circuit Zone Elliptical Trainer Machine
- SF-E3865 SFE3865 Stride Elliptical Machine
- SF-E3875 SFE3875 Motorized Elliptical Machine Trainer
- SF-E3890 SFE3890 Programmable Elliptical Magnetic Cardio Power Trainer
- SF-E3912 SF-E3912SMART SFE3912 SFE3912SMART Pre-Programmed Elliptical Trainer
- SF-RB4850 SF-RB4850SMART SFRB4850 SFRB4850SMART Stationary Recumbent Bike
- SF-E321006 SFE321006 Power Stride Advanced Elliptical Machine
- SF-E320002 SF-E320001 SFE320002 SFE320001 Pre-Programmed Elliptical Trainer
9. Safety Features
The UpBright AC Adapter is equipped with advanced safety features to protect both the adapter and your connected device:
- OVP (Over Voltage Protection): Automatically shuts down if the output voltage exceeds a safe level.
- OCP (Over Current Protection): Prevents damage from excessive current draw.
- SCP (Short Circuit Protection): Protects against short circuits, preventing damage to the adapter and connected equipment.
10. User Tips
While no specific user tips were available from reviews or Q&A, here are some general recommendations for optimal performance and longevity:
- Always ensure the adapter is used in a well-ventilated area to prevent overheating.
- Unplug the adapter from the wall outlet when not in use for extended periods.
- Avoid pulling the cable to disconnect the adapter; always grasp the plug firmly.
- Confirm the adapter's specifications match your device's power requirements before use.
11. Warranty and Support
For any questions, technical assistance, or warranty claims, please contact the UpBright customer support. Refer to your purchase documentation for specific warranty terms and contact information.








