The CNC Masters machinery and all other products that CNC Masters sells will be backed by our one year limited warranty, covering defects in electronic components, materials, and workmanship. Our technical support will always be available to answer any questions during installation and setup of your CNC Mill or retrofit kit to ensure your satisfaction. For tech support, we can be reached at (626) 962-9300 during working hours PST, or email us: Tech Support by email will ensure you a step-by-step process of trouble-shooting any problem you may encounter, and will walk you through the process to solve your tech needs for any of our CNC Mills. Please see our Terms and Conditions of Sale before placing an order.