1) If the bad smell comes from the DWT and HEPA, please clean them first.

*Please note: HEPA needs to be fully dried before being installed again.

2) If the bad smell comes from the brush roller, clean the brush roller.

3) We suggest you clean the self-cleaning base regually.

Please refer to our AC1 maintenance video: https://youtu.be/1Hpyh7sOWVg