Please clean the drying filter box after using the drying function every time.
1.Pull out the drying filter box.
2.Gently open the drying filter box cover.
3.Clear away the cotton dust in the drying filter box with toothbrush.
4.Close the drying filter box and install it in place.
Notes:
Please clean the cotton fiber and material from the filter box, because they can effect the drying effect.