はじめに
If water is dripping out from under the floor panel in the front right area, you need to investigate where it's coming from. Look at the two instantaneous water heaters and their hoses. If everything is dry, the somewhat inconspicuous heat exchanger at the very bottom could also be leaking. It's made of light metal, and its lid has only one screw in the middle. The lid can warp and is difficult to seal. The remedy is a new heat exchanger. To get to it better, first disconnect the motor, the ceramic valve, and the solenoid for the drainage valve, their cables can still remain connected.
必要な工具と部品
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Behind the Jura sign are two screws with an oval head. They have to be removed.
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These screws have an oval head that makes them look like rivets (picture 2). You need to use a special bit for their removal. If the right bit is not available, it could be done with a pair of needle nose pliers. Jura wants to keep us out of our own machines!!!!
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This step shows how to remove the top cover
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Remove the powder tray and all coffee beans.
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The cover is fastened with three Torx T15 screws. Those are easily visible under the covers as well as the small cover on the left back side.
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Remove the two Phillips screws on the bean container and remove the bean container.
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Lift the cover upwards.
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The ceramic valve is only pushed in. Release the detents at the bottom of the white plastic base and slide the valve to the right.
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Lift out the valve.
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Disconnect all connections and remove the valve.
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The solenoid is secured with a bracket held in place by two Torx T10 screws
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Remove the two screws.
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Take off the bracket
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Take the solenoid out.
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Disconnect the cables from the solenoid.
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In newer models, there is a drainage motor instead of a magnet. In principle, it is removed in the same way as the magnet. Use these instructions
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Remove the two Torx T15 screws on the drain motor and take out the motor. The side with the blue cable is marked with a dot.
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First leave the motor connected. Trigger a flush and observe if the pin moves back and forth.
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The heat exchanger is located at the bottom of the unit.
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The two pictures show traces of lime everywhere. The heat exchanger was no longer tight.
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To get to it better, you should remove the ceramic valve, the motor, and the solenoid for the drain valve, all work is quite easy to do.
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We assume that you have already done this
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Work through the steps in reverse order to reassemble your device.
Work through the steps in reverse order to reassemble your device.
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