1. Introduction
This manual provides essential information for the safe and effective use of your Kariwust Power Recliner Hand Control, Model KDH120-003. This 4-button switch is designed as a replacement for electric sofas and lift chairs, featuring a USB port for charging devices. It controls both power headrest and power recline functions.
2. Safety Information
- Ensure all connections are secure before operating the recliner.
- Do not expose the hand control to liquids or excessive moisture.
- Avoid pulling on the cables to disconnect the unit. Always grasp the connector itself.
- If the unit appears damaged or malfunctions, discontinue use immediately and consult customer support.
- Keep out of reach of children to prevent accidental operation or damage.
3. Package Contents
Verify that your package contains the following items:
- Kariwust Power Recliner Hand Control (Model KDH120-003) with integrated USB port and cables.

Figure 3.1: Overview of the KDH120-003 hand control unit, including the attached power box and connecting cables.
4. Setup and Installation
This hand control is designed for recliners and lift chairs that utilize a 5-pin round plug and a 2-pin female plug for power and motor connections.
- Identify Connectors: Locate the existing 5-pin male connector and 2-pin female connector on your recliner's motor or wiring harness.
- Connect 5-Pin Plug: Align the 5-pin male connector from the new hand control with the corresponding 5-pin female receptacle on your recliner. Gently push until it clicks into place. The plug is designed with a 180-degree angle for direct connection to the motor connector.
- Connect 2-Pin Plug: Connect the 2-pin female connector from the new hand control to the 2-pin male plug on your recliner's power system.
- Secure Wiring: Ensure all cables are routed safely and are not pinched or tangled, allowing for free movement of the recliner mechanism.

Figure 4.1: Detailed view of the 5-pin male connector (left) and 2-pin female connector (right) for proper installation.
5. Operating Instructions
The KDH120-003 hand control features four buttons and a USB charging port.

Figure 5.1: Front view of the hand control, showing the four control buttons and the central USB charging port.
5.1 Recliner Control
- Recline Back: Press and hold the top-left button to recline the chair backward.
- Return Upright: Press and hold the bottom-left button to bring the chair back to an upright position.
5.2 Headrest Control
- Adjust Headrest Up: Press and hold the top-right button to raise the power headrest.
- Adjust Headrest Down: Press and hold the bottom-right button to lower the power headrest.
5.3 USB Charging Port
The integrated USB port allows you to charge compatible electronic devices. Simply plug your device's USB cable into the port located in the center of the hand control.
6. Maintenance
- Cleaning: Wipe the surface of the hand control with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Cable Inspection: Periodically check the cables for any signs of wear, cuts, or damage. Replace the unit if damage is observed.
- Storage: When not in use for extended periods, store the hand control in a dry, cool place away from direct sunlight.
7. Troubleshooting
If you encounter issues with your hand control, refer to the following common solutions:
- Recliner Not Responding:
- Ensure all connectors (5-pin and 2-pin) are fully seated and secure.
- Verify that the recliner is properly plugged into a functional power outlet.
- Check for any visible damage to the hand control cable or the recliner's power cord.
- USB Port Not Charging:
- Confirm the recliner is powered on and connected correctly.
- Test the USB port with a different device and cable to rule out device-specific issues.
- Intermittent Operation:
- Check for loose connections at both the hand control and the recliner motor.
- Ensure no cables are being pinched or obstructed by the recliner mechanism.
If these steps do not resolve the issue, please contact customer support.
8. Specifications
Detailed specifications for the Kariwust Power Recliner Hand Control Model KDH120-003:
| Feature | Specification |
|---|---|
| Model | KDH120-003 |
| Brand | Kariwust (Manufacturer: Kaidi) |
| Operation Mode | Manual |
| Switch Type | Push Button |
| Number of Positions | 4 |
| Control Method | Touch |
| Connector Type | 5-pin male, 2-pin female |
| Material | Plastic (Contact Material: Copper) |
| Color | Black |
| Mounting Type | Tabletop (typically recessed into furniture) |
| Circuit Type | 2-way |
| Specification Met | ETL |

Figure 8.1: Identification label on the back of the hand control, displaying the model number KDH120-003.

Figure 8.2: Dimensional drawing indicating the length of the hand control unit.
9. Warranty Information
Warranty terms and conditions for the Kariwust Power Recliner Hand Control Model KDH120-003 are provided by the seller or manufacturer at the time of purchase. Please retain your proof of purchase for any warranty claims. For specific details regarding warranty coverage, duration, and claim procedures, refer to the documentation included with your product or contact the seller directly.
10. Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact the seller or manufacturer through their official support channels. Have your product model number (KDH120-003) and purchase information ready when contacting support.
You may visit the Kariwust Store on Amazon for more information: Kariwust Store