1. Product Overview
This onerbl AC/DC Adapter is a high-quality replacement power supply designed for specific Snap On diagnostic tools. It provides reliable power to your device, ensuring optimal performance.
- Compatibility: Specifically designed for Snap On Scanner Solus Edge EESC320 (EESC-320) and ETHOS Plus Scan Tool EESC319W (EESC319).
- Input Voltage: Supports worldwide AC input from 100-240V at 50/60Hz, automatically adjusting to the local power supply.
- Cable Length: Features an extended 10-foot (approximately 120 inches) cable for flexible placement.
- Safety Features: Equipped with built-in protections against over-voltage and over-heat conditions.
- Quality: Each unit is tested to ensure great working condition and durability.

Figure 1.1: Illustration of the adapter's durable design, highlighting the copper wire and PVC jacket for enhanced longevity and safety.
2. Setup Instructions
Follow these steps to correctly set up your onerbl AC/DC Adapter:
- Connect to Device: Insert the output connector of the AC/DC adapter firmly into the power input port of your Snap On Scanner Solus Edge EESC320 or ETHOS Plus Scan Tool EESC319.
- Connect to Power Outlet: Plug the AC input plug of the adapter into a standard wall power outlet (100-240V AC).
- Verify Connection: Ensure both connections are secure. The device should power on or begin charging if it is designed to do so when connected to power.

Figure 2.1: The adapter connected to a wall outlet and a device, illustrating a typical setup.
3. Operating Instructions
The onerbl AC/DC Adapter is designed for simple and safe operation:
- Automatic Operation: Once connected, the adapter automatically provides the correct power to your device. No manual adjustments are required.
- Safety Protections: The adapter incorporates a smart chip with multiple protection features to safeguard your device and the power supply itself. These include:
- Short-circuit protection: Prevents damage from electrical shorts.
- Over-voltage protection: Protects against excessive voltage input.
- Over-current protection: Guards against excessive current flow.
- Indicator Light: A small LED indicator on the adapter body may illuminate when connected to power, indicating active operation.

Figure 3.1: The adapter features a smart chip for multiple safety protections, ensuring electricity safety.
4. Maintenance
To ensure the longevity and optimal performance of your onerbl AC/DC Adapter, follow these simple maintenance guidelines:
- Keep Dry: Avoid exposing the adapter to moisture, liquids, or high humidity.
- Temperature Control: Do not operate or store the adapter in extreme temperatures (very hot or very cold environments).
- Clean Gently: If cleaning is necessary, unplug the adapter from the power outlet and wipe it with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Cable Care: Avoid bending or crimping the power cord excessively. Do not place heavy objects on the cable.
- Unplug When Not in Use: For extended periods of non-use, it is recommended to unplug the adapter from the wall outlet.
5. Troubleshooting
If you encounter issues with your onerbl AC/DC Adapter, try the following troubleshooting steps:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and your diagnostic tool.
- Try plugging the adapter into a different wall outlet to rule out a faulty outlet.
- Check if the diagnostic tool itself is functioning correctly with its original power supply (if available).
- Adapter Overheating:
- Ensure the adapter is placed in a well-ventilated area and not covered by anything that could trap heat.
- If overheating persists, discontinue use and contact support.
- Loose Connection:
- If the connection feels loose, gently re-seat the plugs. Do not force them.
- Inspect the connectors for any visible damage or debris.
If these steps do not resolve the issue, please refer to the Warranty and Support section for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz |
| Cable Length | 10 feet (approx. 3.05 meters) |
| Adapter Dimensions (L x W x H) | Approximately 4.2 x 1.8 x 1.2 inches (10.7 x 4.6 x 3.0 cm) |
| Power Source | Corded Electric |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Figure 6.1: Detailed dimensions of the onerbl AC/DC Adapter and its cable components.
7. Warranty and Support
Your onerbl AC/DC Adapter is backed by a commitment to quality and customer satisfaction.
- Return Policy: This product is eligible for a 30-day return or replacement policy from the date of purchase. Please refer to your retailer's specific return guidelines for detailed instructions.
- Technical Support: For any technical inquiries, troubleshooting assistance beyond this manual, or warranty claims, please contact the seller, GreatComputerParts, directly through the platform where the purchase was made.