JURA X9 DUMPING COFFEE GROUNDS BEHIND BREW UNIT, NOT INTO BREW UNIT

This is a serious problem if you want a coffee as all you get is water. The problem is diagnosed as you will find a heap of coffee grounds, piled behind the brew unit. It is being caused because the brew unit is not positioning itself correctly to receive the coffee grounds.

Most obvious conclusion is to assume the Motor Encoder is at Fault. And this is not a bad guess, as the encoder counts the motor rotations and ensures it’s in the correct position.

But in this case, the fault was with the motor itself. And this is why I am mentioning it. As these motors age, this issue occurs. I am assuming some slipping of gears is occurring in these older motors.

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