机器人机器狗维修教程目录Robot dog repair tutorial directory

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Unitree BT电池/充电器维修教程目录（Table of Contents for Battery/Charger Repair Tutorial）：

1-无法充电充电异常充电慢或过充

Unable to charge, abnormal charging, slow charging, or overcharging

2-插充电器绿灯闪一下之后无反应无法充电

After the charger's green light flashes once, there is no response and it cannot charge

3-能开机无电压输出30V瞬间掉电到1V正常亮绿灯

It can be powered on but has no voltage output,The voltage drops instantaneously from 30V to 1V,The green light is on normally.

4-输出电压过低第三灯闪红灯无法正常开机

The output voltage is too low, the third light flashes red, and the device cannot be powered on normally

5-无法关机自动放电自动开机

Unable to shut down, automatically discharges and then automatically powers on

6-充电不亮灯开机不亮灯无反应

The charging indicator doesn't light up, the power indicator doesn't light up, and there is no response

7-上主板发热发烫电流48ma左右无法开机不亮灯

The mainboard above is hot and the current is around 48ma. It cannot be turned on and the lights do not illuminate

8-开机和充电都四灯闪红灯，无法开机无法充电，不会锁MCU1

When powering on and charging, all four lights flash red. It cannot be powered on or charged, and MCU1 will not be locked

9-无法开机充电无反应四灯闪红灯，主板无电流，会锁定MCU1

The device cannot be turned on for charging and shows no response, with four lights flashing red. There is no current flowing to the motherboard, and it will lock MCU1

10-第1灯~4灯闪红灯无法开机无法充电先第一灯红灯再四灯一起闪红灯，不会锁MCU1

1st light to 4th light flashing red, unable to power on or charge. First, the 1st light flashes red, then all 4 lights flash red together. It won't lock MCU1.

11-单纯按开机键无反应（电路正常）

Pressing the power button alone yields no response (circuit is normal)

12-无法被识别到已插入，按开机键亮白灯，无法转换到绿灯

Unable to detect whether it is plugged in. Pressing the power button turns on the white light, but it fails to switch to the green light

13-直接电量显示异常，满电却显示电量0%

The direct battery level display is abnormal, showing 0% battery level even when it is fully charged

14-机器人或者机器狗剧烈运动之后报错电量显示异常，满电却显示电量0%

After strenuous exercise, the robot or robotic dog reports an error indicating abnormal battery display, showing 0% battery even though it is fully charged

15-电池电芯压差均衡Battery cell voltage equalization

16-更换单个（单片）电芯Replace a single (individual) battery cell

等等etc..................................

Unitree 遥控器维修教程目录Remote Control Repair Tutorial Table of Contents：

1-摇杆不灵敏或者错位The joystick is not responsive or misaligned

2-信号差或无信号主板电流正常的情况下无法连接设备

In the case of poor signal or no signal, the device cannot be connected when the motherboard current is normal

3-主板无自检电流无法开机无0.7V触发电压

The motherboard has no self-test current/cannot be powered on/lacks 0.7V trigger voltage

4-无法充电Unable to charge

5-USB无法连接USB connection failed

6-右侧摇杆和按键异常The right joystick and buttons are abnormal

7-马达震动功能异常The motor vibration function is abnormal

8-按键不灵敏按键小板故障The buttons are not responsive/the small button board is faulty

9-蓝牙无法连接无法被发现Bluetooth cannot be connected or discovered

等等etc..................................

Unitree传感器功能模块维修教程目录Table of Contents for Sensor Function Module Repair Tutorial：

1-VOICE声音接口更换Replacement of VOICE sound interface connector

2-LED指示灯不亮The LED indicator light is not illuminated

3-相机画面卡住或无图像/图像模糊Camera screen stuck or no image/blurred image

4-麦克风喇叭音频小板接口电路MIC/SPK Horn audio small board interface circuit

5-AOA自动跟随功能失效AOA automatic following function failure

6-提手电机不转或一直转The handle motor doesn't rotate or keeps rotating

7-LIDAR激光雷达不转不避障/没有云点数据（Point Cloud）

LIDAR does not rotate or avoid obstacles/lacks cloud point data

等等etc..................................

Unitree 机器狗核心板维修教程目录Table of Contents for Repair Tutorial of Robot Dog Core Board：

1-电池接口电路故障无电压输入

Battery interface circuit fault: No voltage input

2-狗腿接口电路故障导致核心板闪红灯无法开机

The fault in the dogleg interface circuit causes the core board to flash red light and fail to power on

3-风扇不转The fan is not working.

4-单独无法连接到APP  Unable to connect to the APP alone

5-单独无法连接到遥控器 Unable to connect to the remote control alone

6-APP和遥控器都无法连接设备

Neither the APP nor the remote control can connect to the device

7-APP和遥控器可以连接但是经常断开

The APP and the remote control can be connected, but they often disconnect

8-不亮绿灯无电流反应无法开机

No green light, no current response, unable to power on

9-倒数第二灯闪绿灯无法开机The penultimate light is flashing green, but the device cannot boot on

10-4G模块无法使用第一灯绿灯不亮

The 4G module is not functioning, as indicated by the absence of a green light on the first indicator

11-核心板倒数第三个LED不亮灯/狗头LED也不亮灯，开机后无法站立无法连接

The third LED from the end on the core board is not lit, nor is the dog head LED. After powering on, it cannot stand upright and cannot connect

12-狗头绿灯长时间慢闪无法站立无法连接

The dog head green light flashes slowly for a long time, unable to stand and unable to connect

13-四条狗腿控制电路（所有狗腿故障）Four dog leg control circuits (all dog leg faults)

14-核心板温度检测异常Abnormal temperature detection of core board

15-二次开发导致的系统故障例如能开机但是无法直立无法连接

System failures caused by secondary development, such as being able to power on but unable to stand upright or connect

16-核心板第三和第四LED不亮灯，狗头LED也不亮灯，无法连接The third and fourth LEDs on the core board are not illuminated, and the dog head LED is also not illuminated, making it impossible to connect

等等etc..................................

正确拆装狗腿电机免标定The method for correctly disassembling and assembling the dogleg motor without calibration

标定狗腿失败导致亮红灯无法站立无法连接Calibrating the dogleg motor results in a red light, inability to stand, and inability to connect

狗头闪红灯可以连接APP（几分钟后），APP报错电机通讯异常/底层通讯固件故障等The dog head flashes red light and can connect to the APP (after a few minutes), but the APP reports errors such as abnormal motor communication/underlying communication firmware failure

等等etc..................................

课程长期更新-持续更新-会覆盖所有机器人机器狗维修的热门项目。

The course is updated on a long-term basis - continuously updated - and covers all popular projects related to robot and robotic dog repair.

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A comprehensive robotic dog repair training tutorial for beginners to professionals.

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After downloading the course, you need to log in to a dedicated player using a computer, with 100GB reserved in the hard disk memory. You only need to pay once, and the course will be updated regularly for free: WhatsApp: +8618627713849