はじめに
If no more coffee flows through, the drain valve is often the cause. You can either replace it or change the seals.
必要な工具と部品
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Remove all attachments such as water reservoir, coffee compartment lid, trester drawer.
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Remove all coffee beans from the bean hopper.
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Open the side flap.
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Remove the seven Torx T10 screws on the rear panel.
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Lift the back panel away.
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Remove the two flat plugs from the inside of the power switch.
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Grasp the powder compartment cover firmly and pull it upwards out of its hinges. Otherwise it will be in the way of the top cover.
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Pull the top cover back about 1 cm. If it sticks in front, you can help a little with plastic levers.
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Lift the top cover away from the top.
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Grasp the side panel firmly at the rear edge and pull it backward and upward at the same time. It should come off quite easily.
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Grasp the side panel firmly at the rear edge and pull it backward and upward at the same time. It should come off quite easily.
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Remove the two Torx T10 screws at the top and bottom of the electronics box.
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Pull the box out a little.
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Two connectors are attached to the top. First press in the release on both connectors and pull the connectors out.
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Press in the catches on the side of the two sockets and pull the sockets out of the electronics box.
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No other cables need to be disconnected, lay the box on its side.
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Insert translation here
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Turn the machine around.
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Remove the six Torx T10 screws that secure the gearbox to the metal partition.
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Push the gearbox away from you by the black plastic pins and drive so that it comes off.
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Reach into the machine from the front and find the triangular expansion tank. Turn it counterclockwise about 60° and pull it off downward
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Turn the machine around again.
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Now you can pull out the gearbox as far as possible. It is a bit tricky and you have to be very careful. Turn it so that you can already see the drain valve.
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The drain valve is still connected to the water hose. Pull out the clamp on the water hose with a small screwdriver. This is really tedious and of course when reassembling. But with patience it works.
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Then pull out the pressure hose. At its end is an O-ring it gets stuck either on the end or in the connector. Replace it - if possible - during reassembly.
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First lift away the spring at the bottom of the drain valve, you can use a small screwdriver for this.
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Pull the light part of the valve down so that the four notches on the edge fit into the corresponding openings.
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Lift the complete drainage valve upwards. You can use a small screwdriver to pry the upper gray part free.
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Follow the steps in reverse order to reassemble your device
Follow the steps in reverse order to reassemble your device
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