1. Start by checking all the filters. Dirty and clogged filters can cause heat and odor.
2. If the belt has broken or the brush is making an odd sound while turning, please call us at 1-800-237-7691, Monday - Friday 8 a.m. to 10 p.m., Saturday 9 a.m. to 8 p.m., or Sunday 10 a.m. to 7 p.m. ET. A representative will be ready and waiting to help you out!