1. Introduction
This manual provides instructions for the setup, operation, and maintenance of your Scimagic-RC DICKERT 40.685MHz Garage Door Remote Control. This remote is designed for use with DICKERT 40.685MHz transmitters, specifically models MAHS40-01 and MAHS40-04. Please read this manual thoroughly before use to ensure proper functionality and safety.

Figure 1: DICKERT MAHS40-01 Remote Control
2. Safety Information
- Keep the remote control out of reach of children to prevent accidental operation.
- Do not expose the remote control to water or high humidity.
- Avoid dropping the remote control or subjecting it to strong impacts.
- Dispose of used batteries responsibly according to local regulations.
3. Package Contents
Upon opening your package, please verify that all items are present and in good condition:
- 1 x Remote control (DICKERT MAHS40-01/MAHS40-04)
- 1 x 12V 23A Battery (pre-installed)
- 1 x English instruction manual

Figure 2: Package Contents
4. Product Overview
The remote control features a durable black casing with a red button. It operates on a 40.685MHz frequency and includes 10 dip switches for secure coding. A small LED indicator light confirms button presses.
4.1. Dimensions

Figure 3: Remote Control Dimensions
- Length: Approximately 75mm
- Width: Approximately 37mm
- Thickness: Approximately 15mm
4.2. Compatibility
This remote control is specifically designed for DICKERT 40.685MHz transmitters. It is compatible with DICKERT MAHS40-01 and MAHS40-04 models. Please ensure your existing remote or receiver matches these specifications. It is NOT compatible with DICKERT MAHS433-01, DICKERT S10-868-A1L00, or DICKERT FHS20-01-04 models.

Figure 4: Compatibility Check
5. Setup and Programming
The remote control uses 10 dip switches for coding. To program your new remote, you must match the dip switch settings of your existing remote control or the receiver unit.
5.1. Accessing the Dip Switches
- Locate the battery cover on the back of the remote control.
- Slide the battery cover in the direction of the keyring tab to remove it. This will reveal the internal circuit board, battery, and the 10 dip switches.
Video 1: Opening the Remote and Accessing Dip Switches

Figure 5: Internal View with Dip Switches and Battery
5.2. Setting the Dip Switches
- Carefully observe the ON/OFF (or UP/DOWN) positions of the 10 dip switches on your existing, working remote control or your garage door/gate receiver.
- Using a small, non-conductive tool (like a toothpick), adjust the dip switches on your new remote control to exactly match the pattern of your existing device.
- Once the dip switches are set, slide the battery cover back into place until it clicks securely.

Figure 6: Setting the Dip Switches
6. Operation
After successful programming, operating your remote control is straightforward:
- Point the remote control towards your garage door or gate receiver.
- Press and hold the red button on the remote control. The LED indicator light should illuminate.
- Your garage door or gate should activate. Release the button once the operation begins.

Figure 7: Operating the Remote Control
7. Maintenance
7.1. Battery Replacement
The remote control is powered by a 12V 23A alkaline battery. If the remote's range decreases or the LED indicator light does not illuminate, it may be time to replace the battery.
- Remove the battery cover as described in Section 5.1.
- Carefully remove the old 12V 23A battery.
- Insert a new 12V 23A alkaline battery, ensuring correct polarity (+/-).
- Replace the battery cover.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not working | Incorrect dip switch settings | Verify and match dip switch settings with your original remote or receiver (see Section 5.2). |
| Remote not working | Dead or low battery | Replace the 12V 23A battery (see Section 7.1). |
| Remote not working | Remote is not compatible | Ensure your remote is a DICKERT MAHS40-01 or MAHS40-04 and operates at 40.685MHz (see Section 4.2). |
| Reduced operating range | Low battery | Replace the 12V 23A battery. |
| LED does not light up | Dead battery | Replace the 12V 23A battery. |
9. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Scimagic-RC |
| Model Number | MAHS40-01 / MAHS40-04 |
| Frequency | 40.685MHz |
| Channels | 1 |
| Dip Switches | 10 |
| Battery Type | 12V 23A Alkaline (included) |
| Operating Range | 10-50m (open space) |
| Origin | Mainland China |
| Certification | CE |
9.1. Certifications
The product holds CE certification, ensuring compliance with European safety, health, and environmental protection requirements.


Figure 8: Product Certifications
10. User Tips
- Always double-check the frequency and model number of your existing remote or receiver before purchasing to ensure compatibility.
- When setting the dip switches, take a clear photo of your original remote's settings to use as a reference.
- If you are having trouble programming, ensure the battery is fresh and correctly inserted.
- For specific coding requirements like 'cod 003' mentioned by some users, refer to your garage door/gate opener's primary manual, as the remote itself only mirrors the existing code.
11. Warranty and Support
This product comes with a manufacturer's warranty. For any technical assistance, warranty claims, or support inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





