Hi there ... I have this exact same machine and I would like to say it's been a wonderful experience ... one thing which I've noticed though is the lid of the back side.. the motor which is responsible for blender , glass mill etc. ..so I think you got the picture . So the grey lid has a lock icon on it and the direction ..however since a few days it takes immense pressure and pushing to lock it back.. opening is fine.. plus all the jugs fits on that motor just fine ...its only the lid which we aren't able to lock ..are you facing the same problem