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The flowmeter measures how much water is supplied by the water tank. If this measurement is disturbed, the coffee machine will no longer function properly or not at all. A typical error is the message "Fill system", which does not go away because the electronics do not receive a message about the water flow. Most of the time the flowmeter is calcified and just needs to be cleaned.
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Remove the water tank and the drip tray. Remove all coffee beans from the storage container.
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Flip open the lid of the bean compartment.
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Unscrew the two slotted screws inside the bean compartment. The screws have a rubber washer and will not come out completely.
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Remove the bean compartment.
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crwdns2942207:0crwdne2942207:0crwdns2935267:0crwdne2935267:0iFixit Precision 4 mm Screwdriver Bit$2.99
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The top cover is fastened with oval head screws. Unscrew them.
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Also remove the two oval head screws underneath the ground coffee compartment lid.
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Now you can pry up the top cover all around.
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Remove the top cover. This often requires a little force.
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Turn the device with the back facing you.
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Turn the Jura label a few degrees counterclockwise. If it's hard to do, use a small suction cup.
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Remove the Jura label.
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Underneath the label you will find two Torx T15 screws. Remove them.
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Carefully pull the top of the chrome cover slightly outwards, then push it down and put it aside.
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Remove the Torx T15 screw on the side panel with the water tank.
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Pull the right side panel slightly towards the back.
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Remove the side panel.
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Pull the left side panel slightly towards the back and remove it.
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The motor for the drainage valve is located in the lower side of the unit near the center. It is fastened with three screws and connected with several flat plugs. In the picture, the ceramic valve has already been pushed off.
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Unscrew the three Torx T15 screws on the motor for the drain valve. Pay attention to the washers underneath.
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Carefully pull out the motor.
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If you want to replace it, you still have to disconnect the flat connectors. Note where the connectors are connected.
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The flowmeter is inserted in the front area of the device next to the brewing group. The inlet on the front is easy to see and can be carefully pushed off.
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The drain at the back is not so easily accessible. Turn the machine over so the heat exchanger is in front of you.
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Pull the hose off the heat exchanger. It leads directly to the flow meter.
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Now the drain hose from the flow meter is free, just detach it from its guides.
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Turn the machine over again.
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Carefully remove the flowmeter.
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Blow into the lower inlet nozzle of the flow meter. You should hear the turbine whirring nicely.
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The flowmeter can be opened easily. Twist the top clockwise a little and take it off. Pay attention to the gasket when assembling.
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The inlet channel is very thin, this is where most of the dirt settles. Take a needle and poke the opening.
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Clean the flowmeter well and put it back together
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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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In meinem Fall funktionierte das neue Flowmeter nach dem Tausch gar nicht, habe dann das alte gereinigt und wieder montiert. Das hat auch geklappt. Im Grunde kann an dem Bauteil nichts kaputt gehen, also eine Reinigung sollte in der Regel ausreichen. Wenn man dann hineinbläst muss erkennbar sein das sich das Flügelrat dreht. Dann sollte es wieder funktional sein.
