Upgraded Safety Protection LidOpenCoverStop type grain grinder will automatically stop working when its lid is opened largely enhancing use security There are two induction switches in the buckles on the both sides which make the mill get started only when the lid is closed completely So if the grinder cannot turn on the first time please adjust the lid like steps in image 5 OVERLOAD PROTECTORWhen grain grinder is in an overloadedoverheat state the overloaded protector will work automatically to stop the operation Its easy to solve by replacing the carbon brushes on the both sides and then pressing the overload protector again then the grinder could work well High Power High SpeedCapacity 300g Power 1500W Speed 28000rmin Working Time no more than 3min NOTE Material ground one time must cover the long blade in the middle and NO MORE THAN 23 of the tank 12 of the tank is the best The whole process of highspeed grinding is carried out in the closed tank which will generate heat So It is normal for the machine to be slightly heat USE TIPS1 Our grinder can only be turned on after the lid is fully buckled Please follow the steps of How to Close Lid on manual video or listing image 5 2 The materials ready for grinding must be DRY enough 3 Rest the machine for 510 minutes after every 3 minutes operation