We offer a 6 month warranty. If you are experiencing a fault with your Kirona Scent aroma diffusers bought from other retailers, please contact the original selling retailer directly. If you purchased your Kirona Scent aroma diffusers from kironascent.com, or all other Kirona Scent official store, please contact our Customer Care Team who will be able to assist you further. Please include the following information: 1. Order number 2. Description of the fault 3. Short video capturing the fault