Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the Richmat HJC18 PN 200-0028 Control Box, designed as a replacement part for Leggett and Platt adjustable bed bases. Please read this manual thoroughly before attempting any installation or operation.
Product Overview
The Richmat HJC18 PN 200-0028 Control Box is a vital component for the proper functioning of compatible adjustable bed bases. It manages various bed functions including head and foot lift, vibrating massage, LED lighting, and USB charging ports.

Figure 1: Top view of the Richmat HJC18 PN 200-0028 Control Box, showing the model number, serial number, and function indicators for head, foot, Bluetooth, and light.

Figure 2: Bottom view of the control box, displaying product specifications such as input voltage, duty cycle, and certifications. Mounting brackets are visible on both sides.

Figure 3: Front view of the control box, showing multiple circular ports for connecting various bed components like motors and accessories.

Figure 4: Side view of the control box, featuring an Ethernet-style port and a 3.5mm audio jack-style port, likely for communication or additional accessories.
Setup and Installation
Important Considerations:
- Ensure the new control box ports match your existing control box to guarantee compatibility and proper pairing.
- This control box is designed for adjustable beds with a Richmat branded motor.
- Verify that your bed base supports head and foot lift, vibrating massage, LED lighting, and USB charging ports if you intend to use these features.
Installation Steps:
- Disconnect Power: Before beginning, unplug the adjustable bed base from the main power outlet to prevent electrical shock.
- Locate Existing Control Box: Identify the current control box on your adjustable bed base. It is typically mounted underneath the bed frame.
- Disconnect Cables: Carefully disconnect all cables connected to the existing control box. Note the position of each cable for re-connection.
- Remove Old Control Box: Unmount the old control box from the bed frame. This may involve unscrewing it or releasing clips.
- Mount New Control Box: Securely attach the Richmat HJC18 PN 200-0028 Control Box to the bed frame using the integrated mounting brackets. Ensure it is stable and will not move during operation.
- Connect Cables: Reconnect all cables (motors, power, accessories) to the corresponding ports on the new control box. Refer to Figure 3 and Figure 4 for port identification.
- Power On: Once all connections are secure, plug the adjustable bed base back into the main power outlet.
- Pairing Remote (if applicable): If your remote control does not immediately function, you may need to pair it with the new control box. Refer to your adjustable bed's remote control manual for specific pairing instructions. Typically, this involves pressing a "Learn" or "Pair" button on the control box (refer to Figure 1, "SYNC LEARN" label) and then a button on the remote.
Operating Instructions
The Richmat HJC18 PN 200-0028 Control Box facilitates the operation of your adjustable bed's features. Operation is primarily done via a compatible remote control (not included with the control box). Ensure your remote has 2 x AAA batteries installed (not included).
Basic Functions:
- Head Lift: Use the corresponding button on your remote to raise or lower the head section of the bed.
- Foot Lift: Use the corresponding button on your remote to raise or lower the foot section of the bed.
- Massage: Activate and adjust the intensity/pattern of the vibrating massage function.
- Under-bed Lighting (LED): Turn on/off or adjust the under-bed LED lighting.
- USB Charging: Utilize the integrated USB ports on your bed base (if equipped) for charging devices. The control box powers these ports.
For detailed operation of specific features and remote control functions, please refer to the user manual provided with your adjustable bed base and its remote control.
Maintenance
The Richmat HJC18 PN 200-0028 Control Box is designed for minimal maintenance. Follow these guidelines to ensure its longevity:
- Cleaning: Disconnect power before cleaning. Wipe the control box with a dry, soft cloth. Do not use liquid cleaners or abrasive materials.
- Cable Management: Ensure all cables connected to the control box are not pinched, tangled, or under excessive tension.
- Environment: Keep the control box in a dry environment, away from direct sunlight, extreme temperatures, and excessive dust.
- Inspection: Periodically inspect the control box and its connections for any signs of damage or wear.
Troubleshooting
If you encounter issues with your Richmat HJC18 PN 200-0028 Control Box, try the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bed functions not responding to remote. | Remote batteries are dead or low. Remote is not paired with the control box. Control box is not receiving power. | Replace AAA batteries in the remote. Follow pairing instructions for your remote and control box. Check if the bed base is plugged into a working outlet. Ensure all cables are securely connected to the control box. |
| Only some functions work. | Specific motor or accessory cable is loose or disconnected. Incompatibility with certain bed features. | Inspect and re-secure all cables connected to the control box (refer to Figure 3). Verify that your bed base and remote support the specific function. This control box is for Richmat branded motors. |
| Control box makes unusual noises or smells. | Internal malfunction. | Immediately disconnect power from the bed base. Do not attempt to repair. Contact customer support. |
If the problem persists after attempting these solutions, please contact customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | PN 200-0028 (HJC18) |
| Brand | Richmat |
| Material | Plastic |
| Color | Black |
| Included Components | Control Box |
| Compatibility | Leggett and Platt adjustable bed bases with Richmat branded motors. |
| Input Voltage | DC 24-30V (as per Figure 2) |
| Max Current | 8A Max (as per Figure 2) |
| Duty Cycle | 10% max, 2mins/18mins (as per Figure 2) |
Warranty and Support
For warranty information and customer support, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
Seller: Irvine Home Collection USA
For technical assistance or further inquiries, please refer to the contact information provided at the point of purchase or on the manufacturer's official website.





