November 26, 2019OUR BLOG, OUR PROJECTSadmin 0 (0) The ventilation fan speed was too high what made not necessary noise. We made some changes on the cirquit board and adjusted the speed for average. Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. As you found this post useful... Follow us on social media!