The fan shakes slightly during operation because the fan blade rotates at high speed and generates wind resistance, which causes the fan blade to shake slightly. This is a normal phenomenon, so please feel assured to use it.
If the shaking is very obvious, please refer to the following troubleshooting instructions:
1. Check if the grilles are installed properly;
2. Check if there are other items placed on the device;
3. Check if the device is placed in a horizontal position;
4. Check if the fan blade is installed properly;
5. Check if the locking cover is installed properly;
6. Install the grilles properly;
7. Remove the items on the device;
8. Place the device in a horizontal position;
9. Reinstall the fan blade properly;
10. If the problem still exists, please apply for after-sales inspection.