If the fan blade of the device is stuck, please refer to the following steps for troubleshooting:
1. First turn off the fan power to ensure safe operation;
2. Check whether there are any foreign objects (such as paper scraps, plastic bags, insects, etc.) stuck around the fan blades and clean them up;
3. Check whether the fan blade is installed in place and whether it is loose, misaligned, or skewed. If necessary, re-secure or adjust it;
4. Check if the fan's front and rear grilles are deformed and press down on the fan blades. Gently adjust them to restore their shape;
5. If the problem still exists, please apply for after-sales inspection.