My sound machine is making unpleasant sounds. Now what? August 16, 2022 20:13 Updated If you like, you may try cleaning your machine. Over time, dust can build up on the motor inside, causing the sound to change. If that doesn’t help, please contact our customer service team, and we’ll take good care of you and your machine. Related articles Can I clean my sound machine? Warranty Details My Dohm is not working. What are my options? What is difference between the Dohm Classic and Dohm Natural? What if my sound machine breaks?