1. Introduction
This manual provides essential information for the safe and effective use of your Onerbl AC-DC Adapter. This adapter is designed as a high-quality replacement power supply specifically for the York Cardiofit 3350 Exercise Cycle. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
- Electrical Safety: Always ensure the adapter is connected to a properly grounded electrical outlet. Do not use if the adapter or cable is damaged.
- Indoor Use Only: This adapter is intended for indoor use in dry environments. Do not expose to water, moisture, or extreme temperatures.
- Ventilation: Ensure adequate ventilation around the adapter during operation. Do not cover the adapter or place it in an enclosed space that could restrict airflow.
- Compatibility: Use this adapter only with the specified device (York Cardiofit 3350 Exercise Cycle) or devices with compatible power requirements. Using it with incompatible devices may cause damage.
- Handling: Avoid dropping or subjecting the adapter to strong impacts. Do not attempt to open or repair the adapter yourself.
- Children and Pets: Keep the adapter and its cable out of reach of children and pets to prevent accidental injury or damage.
3. Product Overview
The Onerbl AC-DC Adapter converts alternating current (AC) from a wall outlet into direct current (DC) required by your York Cardiofit 3350 Exercise Cycle. It features built-in over-voltage and over-heat protection to ensure safe and reliable operation.

Figure 1: Main view of the Onerbl AC-DC Adapter, showing the power brick and attached DC output cable.

Figure 2: Front and side views of the adapter, highlighting the AC input prongs and the ribbed casing for heat dissipation.

Figure 3: Diagram illustrating the physical dimensions of the adapter, including its length, width, and height, along with the cable length.
4. Setup
- Verify Compatibility: Ensure your device is the York Cardiofit 3350 Exercise Cycle or requires the specific power output provided by this adapter.
- Inspect Adapter: Before connecting, visually inspect the adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Plug the DC output connector of the Onerbl adapter firmly into the power input port of your York Cardiofit 3350 Exercise Cycle.
- Connect to Power Outlet: Insert the AC input prongs of the adapter into a standard, grounded electrical wall outlet (AC 100-240V, 50/60Hz).
- Power On: Once connected, you can power on your exercise cycle according to its own operating instructions.

Figure 4: The Onerbl AC-DC Adapter plugged into a power strip, demonstrating a typical connection scenario for powering a device.
5. Operating Instructions
The Onerbl AC-DC Adapter operates automatically once connected to a power source and your device. It provides continuous power to your York Cardiofit 3350 Exercise Cycle. No user intervention is required for its operation.
- Ensure all connections are secure before use.
- The adapter may become warm during extended operation; this is normal.
- To disconnect power, first turn off your exercise cycle, then unplug the adapter from the wall outlet.
6. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of wear or damage. Replace the adapter if any damage is observed.
7. Troubleshooting
No Power to Device
- Check Connections: Ensure the adapter is securely plugged into both the wall outlet and your exercise cycle.
- Verify Outlet: Test the wall outlet with another device to confirm it is functioning correctly.
- Inspect Adapter: Check the adapter and cable for any visible damage. If damaged, discontinue use and replace.
- Device Power: Ensure your York Cardiofit 3350 Exercise Cycle's power switch is in the 'ON' position, if applicable.
If the issue persists after performing these checks, contact customer support.
8. Specifications
- Product Type: AC-DC Adapter
- Input: AC 100-240V, 50/60Hz
- Output: Refer to the product label on the adapter for specific output voltage and current.
- Compatibility: York Cardiofit 3350 Exercise Cycle
- Protections: Over Voltage Protection, Over Heat Protection
- Dimensions (Adapter Body): Approximately 2.6 inches (Length) x 1.6 inches (Width) x 1.2 inches (Height)
- Cable Length: Approximately 76 inches
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- ASIN: B0D961BK6D
9. Warranty and Support
For warranty information or technical support regarding your Onerbl AC-DC Adapter, please refer to the purchase documentation or contact the seller directly. Keep your proof of purchase for any warranty claims.