Switch the appliance off and pour out the ingredients. Then remove the blade unit interface. Check if the sealing ring has been assembled properly on the blade unit.
Then assemble the parts again:
Place the sealing ring on the blade unit.
Assemble the blade unit onto the blade unit interface.
Screw the blade unit interface onto the bottom of the blender jar until it is fixed properly
You can use the blender jar for:
Blending fluids, e.g. dairy products, sauces, fruit juices, soups, mixed drinks, shakes.
Mixing soft ingredients, e.g. pancake batter or mayonnaise.
Pureeing cooked ingredients, e.g. for making baby food.
Crushing ice cubes
Hint: don´t put the sealing ring into the dishwasher because it will become brittle.