If the vacuum cleaner does not work, please refer to the following troubleshooting steps to address the issue:
1. Check whether the battery is running out. Connect the charger to the power supply for charging. If the battery cannot be charged, please contact the after-sales service center;
2. Check whether the HEPA or filter is missing or installed incorrectly. If so, the screen will show that the filter is missing;
3. Check whether the motor is damaged. If did, please contact the after-sales service center in time;
4. If the product vacuums liquids, the product will fail to work. Please contact the after-sales service center.