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SIYI D6 User Manual

SIYI D6 User Manual

Enterprise propulsion system
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D6
ENTERPRISE
PROPULSION SYSTEM
USER MANUAL
SIYI Technology (Shenzhen) Co., Ltd.
siyi.biz/en

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Summary of Contents for SIYI D6

  • Page 1 ENTERPRISE PROPULSION SYSTEM USER MANUAL SIYI Technology (Shenzhen) Co., Ltd. siyi.biz/en...
  • Page 2 SIYI Technology. It is mainly suitable for enterprise flying platform with 30mm arm diameter and single-axis take-off weight of 2KG to 2.5KG. D6 enterprise propulsion system adopts nano-coating technology, waterproof level up to IPX5 and can operate stably in an environment of - 30℃...
  • Page 3 If you encounter any issue using the product, please consult the manual or check the online pages of this product on SIYI official website (https://siyi.biz/en). You can also write an email to SIYI official A/S center (support@siyi.biz). 2025 SIYI Technology Copyright 3 / 104...
  • Page 4 Contact Us: SIYI Official Website ( https://siyi.biz/en SIYI User Group - Facebook Facebook Linkedln YouTube 2025 SIYI Technology Copyright 4 / 104...
  • Page 5 Manual Version Update Record Version Date Updates 2024.9 Initial version. 1. Add content to section 2.3.2. 2025.2 2. Update section 7 on after-sales and warranty. 2025 SIYI Technology Copyright 5 / 104...

  • Page 6: Table Of Contents

    2.2.1 Indicator Colors ........................... 34 2.2.2 CAN ID ..............................36 2.3 CAN Throttle ..............................37 2.3.1 Setting CAN Throttle through SIYI Software ................. 38 2.3.2 Setting CAN Throttle through Mission Planner (ArduPilot) ............38 2.3.3 Setting CAN Throttle through QGroundControl (PX4) ..............43 CHAPTER 3 START ASSEMBLY ..........................
  • Page 7 5.2 Historical Operating Data ..........................79 5.3 Fault Storage Function ..........................81 CHAPTER 6 FIRMWARE UPGRADE ........................83 6.1 Upgrade through SIYI Software ....................... 83 6.2 Upgrade in DroneCAN Protocol through Mission Planner (ArduPilot) ..........90 CHAPTER 7 AFTER-SALE SERVICE ........................93 7.1 Scope of Application ..........................93 7.2 Return Service ..............................93...
  • Page 8 7.5.1 Repair Locations and Methods ...................... 100 7.5.2 Software-Related Services ....................... 100 7.5.3 Data Privacy and Security ........................100 7.5.4 Shipping Fees for After-Sales Service ................... 101 7.5.5 Other Fees ............................102 7.5.6 Other After-Sales Notes ........................103 2025 SIYI Technology Copyright 8 / 104...

  • Page 9: Read Tips

    Prohibited Mandatory Mark Safety D6 enterprise propulsion system is designed for professional application in specific scenes, users who approach to the equipment should have the basic knowledge of how to operate 2025 SIYI Technology Copyright 9 / 104...

  • Page 10: Storage / Carrying / Recycling

    Disassembling or modification to the system is prohibited without permission from its manufacturer, SIYI Technology. Storage / Carrying / Recycling When your SIYI product is left unused, or you are bringing it outdoors, or the product life has expired, please do read the below precautions.
  • Page 11 SIYI products should not be placed in places under direct sunshine or too dusty or too wet. Carrying or transporting SIYI products should avoid vibration or shatter by which components may break. 2025 SIYI Technology Copyright 11 / 104...

  • Page 12: Chapter 1 Introduction

    Electronic Speed Controller The electronic speed controller (ESC) is field-oriented control (FOC) and is developed by SIYI, which provides precise control and efficient response. The fault protection function has been tested by massive experiments and is safe, reliable and highly stable.
  • Page 13 The motor is SIYI strictly selected by craftmanship and materials, which comes with full CNC structure, imported bearings, imported permanent magnets, and high temperature resistant enameled wire. Strong thrust and good heat dissipation. Propellers Equipped with pure carbon fiber blades, lightweight material,...
  • Page 14 Outstanding Design Top-Notch Craftsmanship 2025 SIYI Technology Copyright 14 / 104...
  • Page 15 The normal operating life of the bearings can exceed 1000 hours. Both Open-Source & Commercial Ecosystem Compatible SIYI Technology has been adhering to its fine traditions in the field of intelligent robots for many years, while adapting inclusive open-source systems and trustworthy commercial...

  • Page 16: Product Overview

    1.2 Product Overview Propeller (Foldable) 2025 SIYI Technology Copyright 16 / 104...
  • Page 17 Propeller (Straight) 2025 SIYI Technology Copyright 17 / 104...

  • Page 18: Technical Specification

    PWM Pulse Width 1100 ~ 1940 μs PWM Working 50 ~ 500 Hz Frequency Max Voltage 60 V Continuous Current 23 A Max Current 55 A Communication Protocol Firmware Upgrade Supported Digital Throttle CAN Throttle 2025 SIYI Technology Copyright 18 / 104...
  • Page 19 Poles & Magnets 24N28P Product Weight 240 g Propeller (Straight) Diameter x Pitch 22 x 7.8 Inch Product Weight 35.7 g Propeller (Foldable) Diameter x Pitch 22 x 9 Inch Product Weight 61.2 g 2025 SIYI Technology Copyright 19 / 104...

  • Page 20: Performance Specifications

    1.4 Performance Specifications D6 Foldable Propeller Performance 2025 SIYI Technology Copyright 20 / 104...
  • Page 21 D6 Straight Propeller Performance 2025 SIYI Technology Copyright 21 / 104...

  • Page 22: Packing List

    1.5 Packing List Motor Assembly (Excluding Propellers) 1 x D6 Industrial Propulsion System Assembly (CW or CCW) Straight Propeller 1 x D6 2278 Straight Propeller (CW or CCW) 1 x Propeller Spacer 4 x Hex Socket Head Cap Screw HM3*14...

  • Page 23: Protection Function, Indicator Definition, & Buzzer Definition

    1.6 Protection Function, Indicator Definition, & Buzzer Definition SIYI propulsion system uses both indicators and buzzers to define different working states. Statu Suggested Errors Buzzer Indicator Actions Overvolta Check the power Yellow Blinks supply voltage Overvoltage: One short Undervolt Beep...
  • Page 24 Throttle Beep then returns to normal returns to normal (100%) color color in normal throttle Upgrade firmware Firmw Solid White through SIYI Firmware Beep software Upgr Firmware Solid White Ensure the 2025 SIYI Technology Copyright 24 / 104...
  • Page 25 Red, green, and blue are normal indicator colors. Users can define the colors or turn off indicator blinking. Even if indicator blinking is turned off, the yellow color will still blink in case of a malfunction or abnormal condition. 2025 SIYI Technology Copyright 25 / 104...

  • Page 26: Chapter 2 Prepare For Assembly

    CHAPTER 2 PREPARE FOR ASSEMBLY Watch Tutorial Video SIYI D6 Enterprise Propulsion System User Tutorial Vol.1 - ASSEMBLY https://www.youtube.com/watch?v=Cdg3LkeN- eI&list=PLnwDdKcxuIbc5StgCD-xdx9GRcsUEuvWD&index=2 SIYI D6 Enterprise Propulsion System User Tutorial Vol.2 - ADJUST & CHECK PARAMETER https://www.youtube.com/watch?v=gYLqLQA97nQ&list=PLnwDd KcxuIbc5StgCD-xdx9GRcsUEuvWD&index=3 SIYI D6 Enterprise Propulsion System User Tutorial Vol.3 - FLIGHT TEST https://www.youtube.com/watch?v=2bfIGtdI_l8&list=PLnwDdKcx...
  • Page 27 KcxuIbc5StgCD-xdx9GRcsUEuvWD&index=5 SIYI D6 Enterprise Propulsion System User Tutorial Vo.5 - FIRMWARE UPGRADE https://www.youtube.com/watch?v=SHv5EgqwnTE&list=PLnwDd KcxuIbc5StgCD-xdx9GRcsUEuvWD&index=6 2025 SIYI Technology Copyright 27 / 104...

  • Page 28: Solder The Power Connector

    1. Identify the positive (red) and negative (black) power wires of the propulsion system. 2. Use the soldering iron to solder the positive wire to the positive pole of the connector and the negative wire to the negative pole of the connector. 2025 SIYI Technology Copyright 28 / 104...
  • Page 29 Please ensure that the power wires are fully and securely soldered to the connector, with the solder joints being well- filled to avoid cold or weak soldering. This is crucial for maximizing flight safety. 2025 SIYI Technology Copyright 29 / 104...

  • Page 30: Configuration

    2.2 Configuration The SIYI software allows users to customize the propulsion system's indicator colors, throttle ID, and CAN throttle settings. Tools Required  SIYI Software for Windows  SIYI CAN Link Module 2025 SIYI Technology Copyright 30 / 104...
  • Page 31 Steps 1. Please refer to the diagram above to connect the propulsion system, the CAN Link module, and the Windows device. 2. Run the SIYI software and go to the ESC settings menu. 2025 SIYI Technology Copyright 31 / 104...
  • Page 32 3. Select the corresponding COM port and device type (ESC), then click "Scan." 2025 SIYI Technology Copyright 32 / 104...
  • Page 33 4. If the propulsion system is recognized successfully, connection is established. 2025 SIYI Technology Copyright 33 / 104...

  • Page 34: Indicator Colors

    CAN interface pin definitions to avoid incorrect connections. 2.2.1 Indicator Colors The indicator colors of the propulsion system are an important reference during LOS (Line of Sight) flight. Steps 2025 SIYI Technology Copyright 34 / 104...
  • Page 35 1. Select the target ESC ID. 2. Set the indicator color for the selected ESC and save the settings. 3. If the propulsion system's indicator color changes accordingly, settings are successful. Mark 2025 SIYI Technology Copyright 35 / 104...

  • Page 36: Can Id

    When using CAN throttle, it is necessary to set a CAN ID for the propulsion system. Mark CAN ID has been automatically assigned during production. So, it is not mandatory to configure the CAN ID every time. 2025 SIYI Technology Copyright 36 / 104...

  • Page 37: Can Throttle

    CAN throttle is digital throttle which helps the propulsion system function more precise and smoother. Mark D6 propulsion system is PWM throttle priority in default and will only use CAN throttle if PWM throttle is not available. If you require CAN throttle priority, please always contact SIYI support.

  • Page 38: Setting Can Throttle Through Siyi Software

    2.3.1 Setting CAN Throttle through SIYI Software Please refer to chapter 2.2 of this user manual to connect devices and run the SIYI software. Then go to “ ESC Settings ” , select the target ESC and set its throttle ID, then save the settings.
  • Page 39 4. Set the value of CAN_P1_DRIVER to 1. 5. Set the value of CAN_D1_PROTOCOL to 1 and configure the CAN interface protocol to DroneCAN. 6. After successful setup, restart the flight controller. You should additional parameters: CAN_P1_BITRATE CAN_D1_UC_ESC_BM. 2025 SIYI Technology Copyright 39 / 104...
  • Page 40 8. Select the CAN_D1_UC_ESC_BM options according to the number and IDs of the ESCs. The below picture shows the situation using 4 ESCs of which the IDs are assigned as 1, 2, 3, and 4. 9.Set MOT_PWM_MAX 1940 MOT_PWM_MIN 1100. 2025 SIYI Technology Copyright 40 / 104...
  • Page 41 1. In “ Motor Testing ” page, you can set the throttle and the duration of the throttle action. After configuring these settings, select the motor you need to test according to its number. 2. For example, to motor 1, click "Test motor A." 2025 SIYI Technology Copyright 41 / 104...
  • Page 42 3. In the status bar, under the current throttle action, you can see ESC 1’s  Voltage（esc1_volt）  Current（esc1_curr）  RPM（esc1_rpm）  Temperature（esc1_temp） data, etc. 2025 SIYI Technology Copyright 42 / 104...

  • Page 43: Setting Can Throttle Through Qgroundcontrol (Px4)

    2.3.3 Setting CAN Throttle through QGroundControl (PX4) PX4 flight controllers support configuring D6 propulsion system through the UAVCAN protocol. Parameter Configuration Set UAVCAN_BITRATE to1000000. Set UAVCAN_ENABLE to Sensors and Actuators (ESCs) Automatic Config. 2025 SIYI Technology Copyright 43 / 104...
  • Page 44 IDs for CAN devices. After configuring the above parameters, restart the PX4 flight controller. In Mavlink console, enter “uavcan status” to view the CAN port status information and the devices connected to the CAN port. 2025 SIYI Technology Copyright 44 / 104...
  • Page 45 In “ Actuators Outputs ” , set the correspondence between the ESCs and motors, and configure the maximum and minimum throttle values. In “ Geometry: Multirotor ” , set the rotation orientation of the motors and their configuration relative to the center point. 2025 SIYI Technology Copyright 45 / 104...
  • Page 46 Open the switch in “ Actuator Testing ” and adjust the throttle size of the motor to be tested by sliding the throttle slider. Check Mavlink messages. The ESC_STATUS message includes 2025 SIYI Technology Copyright 46 / 104...
  • Page 47 ESC's RPM, voltage, and current. Select the option to plot the data to view the variation of these parameters over time. 2025 SIYI Technology Copyright 47 / 104...

  • Page 48: Chapter 3 Start Assembly

    ID with the corresponding motor orientation. For example, when using N7 flight controller (ArduPilot firmware) with D6 enterprise propulsion system: Quadcopter 2025 SIYI Technology Copyright 48 / 104...
  • Page 49 Hexacopter Octocopter Select the corresponding motor based on its orientation (CW or CCW). 2025 SIYI Technology Copyright 49 / 104...

  • Page 50: Adjusting Arm Diameter (If Necessary)

    Mark If your SIYI propulsion system is to be used with a close-source commercial flight controller, please carefully check the flight controller user manual regarding throttle ID and motor orientation to avoid improper use and potential safety risks. If necessary, please always consult the manufacturer's technical support.
  • Page 51 Steps Install the Reducing Component 2025 SIYI Technology Copyright 51 / 104...
  • Page 52 Mark When installing the reducing component, it is recommended to use rivets to secure the arm to ensure the overall structural stability and safety. 2025 SIYI Technology Copyright 52 / 104...

  • Page 53: Assemble And Pre-Tightening The Motor To The Arm

    Steps 1. Pass the propulsion system wires through the arm tube. 2. Assemble the motor onto the arm. 2025 SIYI Technology Copyright 53 / 104...
  • Page 54 3. Pass the propulsion system's wires through the arm tube. 2025 SIYI Technology Copyright 54 / 104...

  • Page 55: Balance The Motor

    Next, use a level to balance the motor assembly’s X-axis and Y- axis. 3.3 Lock the Arm After assembling and balancing the motor, let’s lock the motor to the arm tube to ensure a secure installation. 2025 SIYI Technology Copyright 55 / 104...

  • Page 56: Wiring And Routing

    Mark D6 propulsion system comes with rivet holes. It ’ s up to customers whether rivets are required based on the actual situation to ensure overall structural stability and safety. 3.4 Wiring and Routing Now, let ’ s connect all propulsion system wires to their designated positions and arrange them appropriately.

  • Page 57: Pwm Throttle Wire

    3.4.1 PWM Throttle Wire Connect PWM signal wires to the corresponding pins of throttle output channel on the flight controller. 2025 SIYI Technology Copyright 57 / 104...

  • Page 58: Can Signal Wire (If Necessary)

    3.4.2 CAN Signal Wire (if necessary) If using CAN throttle, connect the CAN signal wires to the CAN Hub module and integrate it into the flight controller's CAN port through the bus. 2025 SIYI Technology Copyright 58 / 104...

  • Page 59: Power Supply Wire

    Mark If CAN throttle is not used, no additional configuration is required. 3.4.3 Power Supply Wire Connect the power wire to power supply on the power distribution board. 2025 SIYI Technology Copyright 59 / 104...
  • Page 60 2025 SIYI Technology Copyright 60 / 104...

  • Page 61: Debug And Check

    3.5.1 Throttle Channels Use the GCS to send signals to flight controller to individually verify if each throttle ID works consistently with the default settings of the flight controller. 2025 SIYI Technology Copyright 61 / 104...

  • Page 62: Motor Orientation

    3.5.2 Motor Orientation Activate each motor individually through the GCS to verify if each motor of the propulsion system matches the default settings of flight controller. 2025 SIYI Technology Copyright 62 / 104...

  • Page 63: Flight Controller Parameters

    Therefore, it is essential to regularly check and adjust these parameters both before and during drone operations to ensure smooth flight and successful mission completion. Recommended Key Parameters to Monitor PID (Proportional, Integral, Derivative Control Parameters) 2025 SIYI Technology Copyright 63 / 104...
  • Page 64 Flight Mode Configuration 2025 SIYI Technology Copyright 64 / 104...
  • Page 65 Gyroscope and Accelerometer Calibration Status Voltage and Current Monitoring Settings Mark 2025 SIYI Technology Copyright 65 / 104...
  • Page 66 On this basis, fine-tune the parameters step by step until the drone achieves optimal flight performance. 2025 SIYI Technology Copyright 66 / 104...

  • Page 67: Installing Propellers

    3.6.1 Matching Motor Orientation Propeller rotation orientation (CW and CCW) should correspond precisely with the motor rotation orientation (CW and CCW). 2025 SIYI Technology Copyright 67 / 104...

  • Page 68: Installation And Tightening

    3.6.2 Installation and Tightening Use M3*14 screws for straight propellers and align the propeller washers to the propeller holes and the motor holes. Only pre- tightening the screws in this step. 2025 SIYI Technology Copyright 68 / 104...
  • Page 69 Use M3*6 screws for foldable propellers and align the propeller holes with the motor holes. Only pre-tightening the screws in this step. Mark Do not mix straight and foldable propellers on the same multirotor drone. 2025 SIYI Technology Copyright 69 / 104...

  • Page 70: Chapter 4 Flight Test

    Mark This chapter only introduces the test guidance related to the propulsion system. Regarding flight test guidance for other components, please refer user manual corresponding component. 2025 SIYI Technology Copyright 70 / 104...

  • Page 71: Pre-Flight Checking

    4.1.1 Check the Propellers Confirm that the propellers are installed correctly, firmly fastened, and without damage. If foldable propellers are used, it’s time to unfold the propellers to avoid unnecessary vibrations during takeoff. 2025 SIYI Technology Copyright 71 / 104...

  • Page 72: Check The Power Assembly

    4.1.2 Check the Power Assembly Confirm that the motor is firmly installed, and the wiring is correct. And manually rotate the motor to check if there is any blockage or jamming. 2025 SIYI Technology Copyright 72 / 104...
  • Page 73 2025 SIYI Technology Copyright 73 / 104...

  • Page 74: Start Flight Test

    4.2.2 Low-Altitude Hovering Test The low-altitude hovering test is to check the stability and control response of the drone. 2025 SIYI Technology Copyright 74 / 104...

  • Page 75: Basic Flight Movement Test

    4.2.3 Basic Flight Movement Test Increase the flight altitude and perform simple forward, backward, left-right pan and spin movement. Observe drone response feedback and stability to confirm the response ability and stability of the propulsion system. 2025 SIYI Technology Copyright 75 / 104...

  • Page 76: Post-Flight Inspection

    4.3.1 Check Propellers and Motors Check if the propellers are loose or damaged, and check if the motors are loose, blocked, or overheated. 2025 SIYI Technology Copyright 76 / 104...

  • Page 77: Record And Analyze Flight Log

    It is suggested to pay more attention to the flight test data below:  Flight Time  Power Consumption  Flight Mode  Abnormal Phenomena CHAPTER 5 TROUBLESHOOTING SIYI software supports real-time view of propulsion system working status information such as vibration, temperature, current, voltage which very helpful...

  • Page 78: Real-Time Operating Data

    Propellers should be removed before troubleshooting to avoid risks to personal safety. Confirm flight log to avoid incorrect data analysis and inability to accurately analyze the cause of the problem. 5.1 Real-time Operating Data 2025 SIYI Technology Copyright 78 / 104...

  • Page 79: Historical Operating Data

    RPM, voltage, ESC temperature, ESC status, and throttle type. In addition, the corresponding waveform diagrams will be displayed in real time for monitoring and analysis. 5.2 Historical Operating Data 2025 SIYI Technology Copyright 79 / 104...
  • Page 80 The front part represents the corresponding number of power-on times, and the rear part represents the file serial number. According to this naming rule, users can read the data content of the corresponding file. 2025 SIYI Technology Copyright 80 / 104...

  • Page 81: Fault Storage Function

    Users need to select the corresponding ESC ID for viewing according to actual needs. When the user clicks the details option, the system will display the abnormal occurrence time of the file and specific abnormal point information. 2025 SIYI Technology Copyright 81 / 104...
  • Page 82 2025 SIYI Technology Copyright 82 / 104...

  • Page 83: Chapter 6 Firmware Upgrade

    CHAPTER 6 FIRMWARE UPGRADE 6.1 Upgrade through SIYI Software SIYI software supports users to upgrade the ESC firmware of the propulsion system. Tool Preparation SIYI Software  SIYI CAN Link Module   Windows device Steps 2025 SIYI Technology Copyright...
  • Page 84 1. Please refer to the above picture to connect the propulsion system, the SIYI CAN Link module, and the Windows device. 2. Run SIYI software and go to “ESC Settings”. 2025 SIYI Technology Copyright 84 / 104...
  • Page 85 3. Select the corresponding COM port and device type (ESC), and then click "Scan". 2025 SIYI Technology Copyright 85 / 104...
  • Page 86 4. If the propulsion system is recognized normally, the connection is successful. 2025 SIYI Technology Copyright 86 / 104...
  • Page 87 5. Click “Upgrade” and select the firmware file. 6. Then click “ OK ” and wait for the update progress bar is completed. 2025 SIYI Technology Copyright 87 / 104...
  • Page 88 Before firmware upgrade, please make sure that the propulsion system is working properly. And pay special attention to the pin definition of the CAN Link Module to avoid reverse insertion. Upgrade status will be presented through indicator color 2025 SIYI Technology Copyright 88 / 104...
  • Page 89 After upgrade, there will be a beep sound and the indicator will return to its original color simultaneously. 2025 SIYI Technology Copyright 89 / 104...

  • Page 90: Upgrade In Dronecan Protocol Through Mission Planner (Ardupilot)

    6.2 Upgrade in DroneCAN Protocol through Mission Planner (ArduPilot) ArduPilot flight controller supports upgrading SIYI propulsion system firmware through DroneCAN protocol. Steps Run Mission Planner and find the corresponding port in the PC device manager. 2025 SIYI Technology Copyright 90 / 104...
  • Page 91 Select the corresponding COM port and 115200 baud rate. In DroneCAN / UAVCAN column, click MAVlink-CAN1 to refresh the CAN device. The option "SIYI ESC" belongs to SIYI propulsion system ESC. 2025 SIYI Technology Copyright 91 / 104...
  • Page 92 Find the “Update” option. Select the ESC firmware for upgrade. During the upgrade process, “ Mode ” is "SOFTWARE_UPDATE" and a progress bar is displayed. 2025 SIYI Technology Copyright 92 / 104...

  • Page 93: Chapter 7 After-Sale Service

    CHAPTER 7 AFTER-SALE SERVICE 7.1 Scope of Application 1. This after-sales policy is applicable only to products related to SIYI Technology (Shenzhen) Co., Ltd. (hereinafter referred to as "SIYI Technology") purchased through authorized official channels. 2. Effective Date: This after-sales policy is effective from December 4, 2024.

  • Page 94: Conditions Under Which Returns Are Not Accepted

    (6) Labels, machine serial numbers, waterproof marks, anti- counterfeit labels, etc., have been torn or altered. (7) Products damaged due to unavoidable causes such as fire, flood, lightning, traffic accidents, or other force majeure 2025 SIYI Technology Copyright 94 / 104...

  • Page 95: Exchange Service

    (8) Failure to ship the returned item within 7 calendar days after confirming the return with SIYI Technology. (9) Other situations that do not meet the return criteria. 7.3 Exchange Service 7.3.1 Period and Conditions Within 15 calendar days from 00:00 the day after receiving the...
  • Page 96 (4) SIYI Technology’s technical support confirms there is no quality issue with the product. (5) Products damaged due to non-product related issues, such as impact, burning, unauthorized modifications, contamination (e.g., water, oil, sand), improper installation, or use not following the provided instructions.

  • Page 97: Warranty Service

    If the purchase invoice or other valid evidence cannot be provided, the warranty period will start 60 days after the product’s manufacturing date shown on the machine (unless otherwise specified by SIYI Technology). 7.4.3 Warranty Period (1) Gimbal cameras, link products, propulsion systems, flight control systems, etc.: 12 months.

  • Page 98: Conditions Under Which Warranty Service Is Not Provided

    (6) Damage caused by improper flight or shooting operations as per the product manual. (7) Damage caused by operations in harsh environments, such as high winds, rain, or sandstorms. (8) Damage caused by operation in environments with strong 2025 SIYI Technology Copyright 98 / 104...
  • Page 99 Damage caused by forced flights with aged or damaged components. (12) Damage caused by the use of third-party components not certified by SIYI Technology, leading to reliability or compatibility issues. (13) Damage caused by flying with insufficient battery power or using defective batteries leading to insufficient discharge.

  • Page 100: General After-Sales Terms

    During the after-sales service process, the company is obligated to protect data privacy and security. Users are required to back up their data in advance, as product repairs may result in data loss. 2025 SIYI Technology Copyright 100 / 104...

  • Page 101: Shipping Fees For After-Sales Service

    7.5.4 Shipping Fees for After-Sales Service (1) Mainland China: (2) For products that meet warranty conditions, the customer pays for shipping the product to SIYI Technology, while SIYI Technology will cover the shipping cost to return the repaired product to the customer.

  • Page 102: Other Fees

    (4) If SIYI Technology cannot contact the customer via the provided contact details, or if the delivery fails or is rejected upon return, SIYI Technology will hold the product in storage for 60 days from the last contact date or the return date.

  • Page 103: Other After-Sales Notes

    (3) If the product has been exposed to water, it can severely affect performance and may not be repairable. In such cases, SIYI Technology will offer a replacement product instead of a repair. Please take this into consideration before sending back the product.
  • Page 104 (e.g., decorative stickers, UAS stickers, paint, etc.) attached to the product. SIYI Technology will not be responsible for any loss or damage to these items. (5) To ensure your rights are protected, please check the product's condition when receiving it (whether it has been damaged due to shipping).

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