1. Producte acabatview
The Richmat HJA3 Actuator Motor is designed for use in adjustable electric bed frames and electric hospital beds. It provides reliable motion control for various bed functions, enhancing user comfort and accessibility.
This motor system includes the HJA3 motor driver and a wired handheld remote control.
Característiques principals:
- Sistema integrat: Includes the RICHMAT HJA3 motor driver and a 6-button handheld remote switch.
- Entrada d'alimentació: Operates on AC 100-230 V.
- Powerful Thrust: Maximum thrust of 6500 N x 2, suitable for robust bed adjustments.
- Muntatge: Features 2 mounting holes, 25 mm in diameter, with a distance of 581 mm (±2 mm) for secure installation to the bed frame.
- Funcions de control remot: The 6-button remote allows independent adjustment of the back and feet sections of the bed (up and down).
- Expandabilitat: A 2-pin socket on the motor body allows connection to an independent motor (purchased separately) for adjusting the overall bed height from the ground.
- Non-Massage Function: This specific HJA3 actuator motor model does not include a massage function.

Figura 1: Mésview of the Richmat HJA3 Actuator Motor and its wired remote control.

Figure 2: The HJA3 Actuator Motor showing the power cord and remote connection points.
2. Configuració i instal·lació
Before installation, ensure all components are present and undamaged. Installation should be performed by a qualified individual or with careful adherence to bed frame manufacturer instructions.
2.1 Desembalatge
Carefully remove the actuator motor and remote control from their packaging. Inspect for any visible damage during transit. Retain packaging for future transport or storage.
2.2 Muntatge de l'actuador
The HJA3 motor is designed for direct mounting to compatible bed frames. Utilize the two mounting holes on the motor body. These holes are 25 mm in diameter and spaced 581 mm (±2 mm) apart, center-to-center.
- Align the motor with the designated mounting points on your bed frame.
- Secure the motor using appropriate fasteners (not included, typically provided with the bed frame) through the mounting holes. Ensure a tight and stable connection to prevent movement during operation.

Figure 3: Dimensional drawing illustrating the mounting hole spacing (581 mm) and overall dimensions of the HJA3 motor.
2.3 Connecting the Remote Control and Power
- Connect the wired remote control cable to the corresponding port on the HJA3 motor driver. Ensure the connection is secure.
- Plug the motor's power cord into a standard AC 100-230 V electrical outlet.
- If connecting an optional independent motor for bed height adjustment, plug its cable into the 2-pin socket located on the HJA3 motor body.
3. Instruccions de funcionament
The HJA3 actuator motor is controlled via the provided 6-button handheld remote. The remote features three sets of buttons, each controlling a specific function of the adjustable bed.
3.1 Funcions de control remot

Figure 4: The 6-button wired remote control for the HJA3 motor.
- Ajust de la secció del capçal: Use the dedicated pair of buttons to raise or lower the head section of the bed.
- Ajust de la secció del peu: Use the dedicated pair of buttons to raise or lower the foot section of the bed.
- Overall Bed Adjustment: Use the remaining pair of buttons to adjust the entire bed's position (e.g., flat or pre-set comfort positions, depending on bed frame capabilities).
Press and hold the desired button to initiate movement. Release the button to stop movement at the desired position.
3.2 Safety Precautions During Operation
- Ensure no obstructions are present under or around the bed frame during adjustment.
- Mantingueu les mans i els peus allunyats de les parts mòbils.
- Do not exceed the weight capacity of the bed frame.
- Avoid spilling liquids on the motor or remote control.
4. Manteniment
The Richmat HJA3 Actuator Motor is designed for low maintenance. Regular inspection and cleaning will help ensure its longevity and optimal performance.
4.1 Neteja
- Before cleaning, always unplug the motor from the power outlet.
- Wipe the exterior of the motor and remote control with a soft, damp tela.
- Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the components.
- Ensure all parts are dry before reconnecting to power.
4.2 Inspecció
- Periodically check the power cord and remote control cable for any signs of fraying, cuts, or damage.
- Assegureu-vos que totes les connexions estiguin segures i lliures de corrosió.
- Escolteu qualsevol soroll inusual durant el funcionament, que pugui indicar un problema.
- Verify that the motor's mounting to the bed frame remains secure.
Note: The motor unit is sealed and not user-serviceable. Do not attempt to open the motor housing.

Figura 5: A baix view of the HJA3 motor, showing its sealed construction.
5. Solució De Problemes
This section provides solutions to common issues you might encounter with your HJA3 Actuator Motor. If the problem persists after following these steps, contact customer support.
| Problema | Causa possible | Solució |
|---|---|---|
| Motor does not respond to remote control. | Sense font d'alimentació. Loose remote connection. Comandament a distància defectuós. | Assegureu-vos que el cable d'alimentació estigui ben connectat a una presa de corrent. Check the connection between the remote and the motor. Test the outlet with another device. If the issue persists, the remote or motor may require replacement. |
| El motor fa sorolls estranys. | Obstrucció. Muntatge fluix. Problema mecànic intern. | Comproveu si hi ha objectes que obstrueixin el moviment del llit. Verify that the motor is securely mounted to the bed frame. If the noise persists and there are no obstructions, discontinue use and contact support. |
| Bed movement is jerky or inconsistent. | Sobrecàrrega. Fluctuació de potència. Problema motor intern. | Ensure the bed's weight capacity is not exceeded. Check power supply for stability. If the problem continues, the motor may be faulty. |
6. Especificacions del producte
The following table details the technical specifications of the Richmat HJA3 Actuator Motor.

Figure 6: Product label displaying key specifications of the HJA3 motor.
| Especificació | Detall |
|---|---|
| Número de model | HJA3 |
| Entrada Voltage | CA 100-230 V |
| Empenta màxima | 6500 N x 2 |
| Diàmetre del forat de muntatge | 25 mm |
| Mounting Hole Distance (Center-to-Center) | 581 mm (±2 mm) |
| Pes de l'article | Aproximadament 11.77 lliures |
| Dimensions del producte (L x A x A) | Aproximadament 30 x 4.7 x 6.6 polzades |
| País d'origen | Xina |
| Data de primera disponibilitat | 28 de març de 2019 |
7. Garantia i Suport
7.1 Informació de la garantia
The Richmat HJA3 Actuator Motor comes with a garantia d'un any for quality issues. This warranty covers defects in materials and workmanship under normal use.
Conserveu el vostre comprovant de compra per a reclamacions de garantia.
7.2 Atenció al client
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific contact details.
When contacting support, please be prepared to provide the following information:
- Product Model: HJA3
- Data de compra
- Descripció del problema





