Please call our customer service team at 1-800-253-6383. They are trained to troubleshoot over the phone and can help with any warranty replacement needs. Have the serial number (found on the bottom of blender), the jar size, and the number on the bottom of your jar ready before you call. You'll also want to keep your blender near you during the call. You can also email them using this form. Please be sure to provide the same information as above, as well as your name and the best way for them to contact you.