onerbl AC-DC Adapter Instruction Manual for East Oak HM899 Cordless Electric Lunch Box

1. Product Overview

This onerbl AC-DC adapter is designed to provide power to or charge the battery of your East Oak HM899 Cordless Electric Lunch Box. It converts standard AC electrical power from an outlet into the DC power required by your device. The adapter features built-in over voltage and over heat protection for safe operation.

Figure 1: onerbl AC-DC Adapter with approximate dimensions. The adapter measures approximately 3.1 inches in length, 2.1 inches in width, and 1.2 inches in depth. The cable length is approximately 76 inches.

2. Package Contents

Please verify that all items are present in the package:

• 1 x onerbl AC-DC Power Cable (Model: ZC024AHL900200U)

3. Setup Instructions

1. Identify the Adapter: Ensure you are using the correct onerbl AC-DC adapter, Model ZC024AHL900200U, compatible with your East Oak HM899 Cordless Electric Lunch Box.
2. Connect to Device: Insert the barrel connector end of the adapter cable firmly into the DC input port of your East Oak HM899 Cordless Electric Lunch Box.
3. Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 110V AC electrical wall outlet.

Figure 2: The onerbl AC-DC Adapter connected to a wall power outlet, ready for use.

4. Operating Instructions

Once the adapter is correctly connected to both the East Oak HM899 Cordless Electric Lunch Box and a live electrical outlet, it will begin to supply power to the lunch box or charge its internal battery. No further operation is required for the adapter itself.

• Ensure the lunch box indicates it is receiving power or charging, according to its own indicator lights or display.
• Disconnect the adapter from the power outlet when not in use for extended periods.

5. Safety Information

• Indoor Use Only: This adapter is designed for indoor use in dry locations. Do not expose to water, rain, or excessive humidity.
• Compatibility: Use this adapter only with the East Oak HM899 Cordless Electric Lunch Box or other devices explicitly stated as compatible with Model ZC024AHL900200U (9V DC output).
• Ventilation: Ensure adequate ventilation around the adapter during use. Do not cover it with cloths or place it in enclosed spaces that could restrict airflow.
• Protection Features: The adapter includes Over Voltage Protection and Over Heat Protection. However, if you notice any unusual heat, smoke, or smell, immediately unplug the adapter from the wall outlet.
• Handling: Do not drop, disassemble, or attempt to repair the adapter. Refer all servicing to qualified personnel.
• Children and Pets: Keep the adapter and its cable out of reach of children and pets.

Figure 3: Rear view of the onerbl AC-DC Adapter, indicating input specifications and the "INDOOR USE ONLY" warning.

6. Troubleshooting

If your East Oak HM899 Cordless Electric Lunch Box is not receiving power or charging when connected to the onerbl AC-DC adapter, perform the following checks:

• Check Connections: Ensure the adapter's barrel connector is fully inserted into the lunch box's DC input port and the AC prongs are securely plugged into a functional wall outlet.
• Verify Power Outlet: Test the wall outlet with another known working appliance to confirm it is supplying power.
• Inspect Cable: Check the adapter cable for any visible damage, kinks, or frayed wires. Do not use if damaged.
• Device Compatibility: Confirm that your device is indeed the East Oak HM899 Cordless Electric Lunch Box, which requires a 9V DC power supply. This adapter is specifically designed for this model (ZC024AHL900200U).
• Overload/Overheat: If the adapter feels excessively hot, unplug it and allow it to cool down. Ensure proper ventilation.

If the issue persists after these steps, contact customer support for further assistance.

7. Specifications

8. Warranty and Support

This product is covered by a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or inquiries, please reach out to the seller or manufacturer directly.

Manufacturer: Shenzhen Waweis Technology Co., Ltd