1. Introduction
This manual provides detailed instructions for the Muxierr Power Function Motor Set M40. This set is designed to enhance your building block creations by adding dynamic movement and functionality. It includes various motors, control units, and accessories to bring your models to life. Please read this manual carefully before use to ensure proper setup and operation.
2. Product Components
The Muxierr Power Function Motor Set M40 includes the following 40 pieces:
- 1 x M Motor
- 1 x L Motor
- 1 x XL Motor
- 1 x Servo Motor
- 1 x Train Motor
- 2 x Receivers
- 1 x Remote Control (Batteries not included)
- 1 x AA Battery Box (Batteries not included)
- 1 x AAA Battery Box (Batteries not included)
- 1 x Light Cable
- 1 x Power Function Switch
- 4 x Extension Wire Cables (10 inches long)
- Assorted small parts (e.g., axles, pins, gears)

Image: Overview of all components included in the Muxierr Power Function Motor Set M40.
3. Setup Instructions
3.1 Battery Installation
Ensure all batteries are inserted with correct polarity (+/-) as indicated inside the battery compartments.
AA Battery Box (Model 8881)
- Requires 6 x AA batteries (not included).
- Open the battery compartment cover.
- Insert batteries according to the polarity markings.
- Close the cover securely.

Image: AA Battery Box 8881 with battery installation details.
AAA Battery Box (Model 88000)
- Requires 6 x AAA batteries (not included).
- Open the battery compartment cover.
- Insert batteries according to the polarity markings.
- Close the cover securely.

Image: AAA Battery Box 88000 with battery installation details.
Remote Control
- Requires 3 x AAA batteries (not included).
- Open the battery compartment on the back of the remote.
- Insert batteries according to the polarity markings.
- Close the cover securely.

Image: Remote Control with battery compartment and function labels.
3.2 Receiver Pairing
The remote control and receivers operate on adjustable frequencies. To ensure proper communication, set the receiver and remote control to the same frequency before use.
- Each receiver has a frequency selector switch (numbered 1-4).
- The remote control also has a frequency selector.
- Match the frequency setting on the receiver(s) to the frequency setting on the remote control.
- The control distance is approximately 33 feet (10 meters).

Image: Receiver with frequency adjustment details.
4. Operating Instructions
4.1 Motor Types and Functions
The set includes various motors, each with different characteristics for diverse applications:
- M Motor: Offers a balance of speed and torque. No-load speed: 380 rpm, Max Torque: 40 mN·m.
- L Motor: Provides higher speed than the M motor. No-load speed: 450 rpm, Max Torque: 45.4 mN·m.
- XL Motor: Designed for high torque applications. No-load speed: 220 rpm, Max Torque: 90.4 mN·m.
- Servo Motor: Used for precise steering and positioning. Output rotates within -90° to +90°. Max Torque: 250 mN·m.
- Train Motor: Optimized for driving train models. No-load speed: 1830 rpm, Max Torque: 8.1 mN·m.

Image: Specifications for M, L, XL, Servo, and Train motors.
4.2 Remote Control Operation
The remote control allows you to command your motorized creations:
- Each dial on the remote controls a motor connected to a specific channel on the receiver.
- Rotate the dial forward or backward to control the motor's direction and speed.
- Press the 'Stop' buttons to halt motor movement.
- Ensure the remote and receiver are set to the same frequency.
4.3 Connection Modes
The set offers multiple connection options to integrate motors and control units into your building block models. Use the extension wires to connect motors to receivers and receivers to battery boxes. Experiment with different configurations to achieve desired movements and functions.

Image: Examples of multiple connection modes for the Power Function components.
5. Maintenance
- Cleaning: Wipe components with a dry, soft cloth. Avoid using water or cleaning solutions.
- Battery Care: Remove batteries from the remote control and battery boxes if the set will not be used for an extended period to prevent leakage.
- Storage: Store all components in a dry, cool place away from direct sunlight.
- Handling: Handle motors and electronic components with care to avoid damage to wires or internal mechanisms.
6. Troubleshooting
- Motor Not Responding:
- Check if batteries are correctly installed in both the remote control and the battery box.
- Ensure the remote control and receiver are set to the same frequency.
- Verify all connections between the motor, receiver, and battery box are secure.
- Test with fresh batteries.
- Inconsistent Motor Movement:
- Ensure the battery level is sufficient. Low batteries can cause erratic behavior.
- Check for any obstructions or excessive friction in the building block assembly that might be hindering motor movement.
- Remote Control Issues:
- Confirm batteries are installed correctly and are not depleted.
- Ensure there are no strong interference sources nearby.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 9.4 x 5.1 x 3.1 inches |
| Item Weight | 0.317 ounces |
| Item Model Number | M40 |
| Manufacturer Recommended Age | 6 years and up |
| Manufacturer | Muxierr |
8. Warranty and Support
This product is covered by a standard manufacturer's warranty. For specific warranty details, technical support, or any inquiries regarding your Muxierr Power Function Motor Set M40, please contact Muxierr customer service through the retailer where the product was purchased or refer to the official Muxierr website for contact information.