Solution:
Error 1 indicates that the laser ranging sensor is abnormal:
1. Please remove the shielding object of the laser ranging sensor on the top of the robot, and then start the robot to continue cleaning;
2. Please long press the turn off key to restart the robot to continue cleaning;
3. If you found that the laser ranging sensor does not rotate, please touch the laser sensor with your finger or tool to make sure that there is no foreign matter blocking the laser head, and then start the robot to continue cleaning.
