1. Introduction
This instruction manual provides essential information for the safe and effective use of your onerbl GR-2101800US 21V AC/DC Adapter. Please read this manual thoroughly before using the product and retain it for future reference. This adapter is designed to provide reliable power to compatible devices, such as the Yoton Y3 Y-3 1080P Full HD Portable Mini Video Projector.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Voltage Compatibility: Ensure the input voltage of the adapter (AC 100-240V) matches your local power supply.
- Device Compatibility: Only use this adapter with devices that require 21V DC input and a current draw of 1.8A or less. Using it with incompatible devices may cause damage.
- Protection Features: The adapter is equipped with built-in safeguards including over-voltage protection, over-heat protection, short-circuit protection, and over-current protection to guard your electricity safety.
- Environmental Conditions: Do not expose the adapter to water, moisture, or extreme temperatures. Use in a well-ventilated area.
- Physical Damage: Do not use the adapter if the cable or casing is damaged. Do not attempt to open or repair the adapter yourself.
This image illustrates the adapter's smart chip technology, providing multiple layers of protection against electrical hazards such as short-circuits, over-voltage, and over-current.
3. Package Contents
Verify that all items are present in the package:
- 1 x onerbl GR-2101800US 21V AC/DC Adapter
- 1 x AC Power Cord
The main AC/DC adapter unit.
The detachable AC power cord.
4. Setup
Follow these steps to set up your AC/DC adapter:
- Connect the AC Power Cord: Insert the AC power cord into the input port of the onerbl GR-2101800US adapter.
- Connect to Device: Plug the DC output connector of the adapter into the power input port of your compatible device (e.g., Yoton Y3 projector). Ensure a secure connection.
- Connect to Power Outlet: Plug the AC power cord into a standard wall power outlet (AC 100-240V).
- Verify Power: The adapter may have an indicator light (e.g., blue LED) to show it is receiving power and operating correctly.
The adapter connected to a wall outlet, providing power to a device. Note the blue indicator light on the adapter.
5. Operating Instructions
The onerbl GR-2101800US AC/DC Adapter is designed for simple plug-and-play operation:
- Once properly connected to both the power outlet and your device, the adapter will automatically begin supplying power.
- A blue LED indicator on the adapter signifies that it is powered on and functioning.
- To disconnect, first unplug the adapter from the wall outlet, then disconnect it from your device.
6. Maintenance
Proper maintenance ensures the longevity and performance of your adapter:
- Cleaning: Use a soft, dry cloth to clean the adapter. 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 moisture. Avoid tightly coiling the cables.
- Cable Care: Do not bend, twist, or pull the cables excessively. Avoid placing heavy objects on the cables.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires or cracks in the casing. Discontinue use if damage is found.
The adapter's durable design features copper wiring and a PVC jacket for enhanced longevity and safety.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not powering on (no LED light) | No power from outlet; loose connection; faulty adapter/cable. | Check wall outlet with another device. Ensure all connections are secure. Try a different outlet. If problem persists, contact support. |
| Device not receiving power | Incorrect adapter for device; device power port issue; adapter malfunction. | Verify device voltage/current requirements match adapter specifications. Ensure adapter is securely connected to device. Test adapter with another compatible device if possible. |
| Adapter gets excessively hot | Overload; poor ventilation; internal fault. | Ensure device power draw does not exceed adapter's capacity (1.8A). Provide adequate ventilation around the adapter. Discontinue use if overheating persists and contact support. |
8. Specifications
Detailed specifications for the onerbl GR-2101800US AC/DC Adapter:
- Model Number: GR-2101800US
- Brand: onerbl
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- Input Voltage: AC 100-240V, 50/60Hz (Worldwide AC Input)
- Output Voltage: DC 21V
- Output Current: 1.8A
- Output Power: 38.0W
- Plug Format: Type A (US Standard)
- Color: Black
- Cable Length: Approximately 127.8 inches (324.6 cm) total, consisting of a 44.3-inch DC cable and a 79.3-inch AC cable.
This diagram provides detailed measurements of the adapter unit and its connected cables, showing a total cable length of 127.8 inches.
9. Warranty and Support
For any questions, technical assistance, or warranty inquiries regarding your onerbl GR-2101800US AC/DC Adapter, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact information.
Manufacturer: Shenzhen Waweis Technology Co., Ltd