Safety Lid Design Overload Protection - Our electric grinder is equipped with a safety device on the cover, that is if you open the cover during grinding, the machine will stop working immediately to avoid injury. x Besides, if the machine can't start running after turned on, it may be caused by that induction switches inside safety device is not triggered. Please adjust the cover to make sure it's pushed to the end of the two Buckle Structures on the both sides without no space.
How to Clean Replace the Blades - The grinding jar is not detachable, so it CANNOT be cleaned with water directly. You can clean up the remaining powder inside the jar with a cleaning brush and then wipe the inside of jar with a dry cloth. x To remove the blades, Use a screwdriver to hold down the middle screw, and Drive the wrench or sleeve counter-clockwise to loosen the locknut on the blade.