If you receive a Hall error, run the Hall Calibration tool in the app.
Essential for ensuring your controller doesn't overheat.
If your app speed doesn't match your actual speed, use the built-in calibration tool: 5-meter distance on the ground. In the app, navigate to calibration and click "Start Distance" at the first mark. Roll the vehicle straight to the 5-meter mark and click "End Distance" The app calculates a Conversion Ratio to save it for accurate speed readings. Troubleshooting Yuyang king 40amp controller | Endless Sphere DIY EV Forum
The progress bar moved with agonizing slowness. No spinning wheel, just a solid red bar creeping across the screen. When it finished, the icon didn’t look like the sleek, white-on-blue of the Lite version. It was black, with a stylized gold crown that looked less like royalty and more like jagged teeth. yuyang king bluetooth app full
Increase gradually. Too high can burn out motor windings.
In the app, click the top-left corner to choose the connection type. Usually, you will select BLE or ERD .
Ensure the Bluetooth module is properly plugged into the controller's specialized port (not the 3-pin programming port). If you receive a Hall error, run the
Controls low-end torque. Higher phase amps increase your off-the-line acceleration.
tool to sync the app's speedometer with your actual wheel diameter.
Tuning a controller changes how your vehicle handles. Always follow these safety rules: In the app, navigate to calibration and click
If your scooter's speed display is inaccurate compared to GPS, you can use the app to calibrate it. Navigate to the section in the app. Turn Calibration OFF . Position the vehicle at a marked starting point. Click "Start Distance" on the app.
成功安装App后，就可以进行连接了。请提前准备好支持蓝牙4.0及以上版本的Android手机（因官方对安卓支持更完善，iOS端兼容性稍弱），步骤如下：
: Available on Google Play or the Apple App Store (search "Yuyangking" or "e-motor").
