A * * * There are three situations. The first one. There are two possibilities for OFF. The first base is not connected to the cup properly. You unplug the power supply, plug in the cup and base again, and put on the second cover again. Please put the lid back on. The second kind. E 1 appears. The cover is not tightly displaced in the middle. Please check if the lid is loose. E2 appears because there are too many ingredients or too little water, so it is no problem to operate in proportion. Then, if the cutter head does not rotate, it is overload protection. Leave the machine for a day, and then try to operate it in proportion.