Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Deepdeal Esky 002646 Brushless Motor ESC 25A Speed Controller. Please read this manual thoroughly before use to ensure safe and efficient operation of your RC model.
Product Overview
The Esky 002646 is a 25A Brushless Electronic Speed Controller (ESC) designed for use with various Esky RC helicopter models. It regulates the power supplied to the brushless motor, allowing for precise control of motor speed and direction.

Image Description: A close-up view of the Esky 002646 Brushless Motor ESC. The black rectangular unit features a gold-colored heat sink on top for thermal dissipation. Wires extend from both ends: thicker red and black wires for battery connection, and thinner red, blue, and black wires for motor connection. A white label on the unit clearly indicates 'Receiver', 'Battery', 'E.sky', '002646', and 'Motor' connection points.
Specifications
- Model: Esky 002646
- Type: Brushless Electronic Speed Controller (ESC)
- Current Rating: 25 Amperes (A)
- Compatibility: Designed for Esky RC models.
Compatible Models
- Belt-CP CX
- Belt-CP V2
- Belt-CPX
- Honey Bee King 3
- Honey Bee King 4
Setup and Installation
Proper connection of the ESC is crucial for safe and reliable operation. Ensure all connections are secure and correctly polarized before powering on your model.
Connection Diagram (Conceptual)
- Battery Connection: Connect the red and black wires from the ESC to the corresponding positive (+) and negative (-) terminals of your battery pack. Always double-check polarity to prevent damage.
- Motor Connection: Connect the three motor wires (typically red, blue, black) from the ESC to the three wires of your brushless motor. If the motor spins in the incorrect direction during initial testing, swap any two of the motor wires to reverse the rotation.
- Receiver Connection: Connect the small signal wire from the ESC to the throttle channel of your RC receiver. This connection transmits throttle commands from your transmitter to the ESC.
Note: Always refer to your specific RC model's instruction manual for detailed wiring diagrams and additional safety precautions relevant to your setup.
Operating Instructions
Once properly installed and connected, the ESC will control the speed of your brushless motor based on the throttle input from your RC transmitter.
Initial Power-Up Sequence
- Ensure your RC transmitter is turned on and the throttle stick is at its lowest (zero) position.
- Connect the battery to the ESC.
- Listen for the ESC's initialization tones, which typically indicate that it has detected the battery voltage and is ready for operation.
- Slowly advance the throttle on your transmitter to test the motor's response and ensure smooth operation.
Important: Always perform initial tests and flights in a safe, open area, clear of people, animals, and obstacles, to prevent accidents.
Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your ESC.
- Cleaning: Keep the ESC clean and free from dust, dirt, and moisture. Use a soft, dry brush or compressed air for cleaning. Avoid using liquids directly on the ESC.
- Inspection: Periodically inspect all wires, connectors, and solder joints for signs of wear, damage, or loose connections. Replace any damaged components immediately.
- Heat Management: Ensure adequate airflow around the ESC during operation to prevent overheating. The integrated heat sink is designed to dissipate heat, but proper ventilation is still essential.
Do not attempt to disassemble the ESC, as this may void any potential warranty and could lead to damage to the unit or injury.
Troubleshooting
This section provides general guidance for common issues. For specific or persistent problems, consult online RC forums or contact Esky technical support.
- Motor Not Spinning:
- Check battery connection and ensure the battery is fully charged.
- Verify the ESC to receiver connection is secure and on the correct channel.
- Ensure the transmitter is on, and the throttle trim is centered with the throttle stick at zero.
- Inspect all motor wire connections for continuity.
- Motor Stutters or Runs Irregularly:
- Check for loose motor or battery connections.
- Ensure the motor is not physically obstructed.
- Verify that the ESC is compatible with your specific brushless motor.
- ESC Overheating:
- Ensure adequate ventilation around the ESC, especially in enclosed spaces.
- Check for excessive load on the motor, which might be caused by an oversized propeller or mechanical binding.
- Verify the ESC's current rating is sufficient for your motor and propeller combination.
If issues persist after troubleshooting, discontinue use and seek professional assistance or contact the manufacturer's support.
Warranty and Support
For warranty information and technical support regarding your Esky 002646 Brushless Motor ESC, please refer to the official Esky website or contact your authorized dealer. It is recommended to keep your purchase receipt as proof of purchase for any warranty claims.
Note: While Deepdeal may be a distributor, for product-specific technical support and warranty services, Esky is the primary manufacturer.




