Start The Motor For The Drain Valve In Jura Z Models Repair Guide

Difficulty

Moderate

Steps

Time Required

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Sections

Opening the Jura Z series housing
8 steps
Motor for the drain valve
3 steps

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BackJura Impressa Model Z repair.
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Introduction

Note: some pictures are from a different model and may differ slightly.

What you need

Step 1

              Opening the Jura Z series housing

Unplug the machine from the power outlet
Remove all attachments: water tank, drip tray, aroma lid

Unplug the machine from the power outlet

Remove all attachments: water tank, drip tray, aroma lid

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Step 2

Turn the machine so the back is facing toward the front.
The Jura sign must be removed. Turn it a few millimeters counterclickwise.
If this becomes difficult use a suction cup to assist.
Remove the Jura sign.

Turn the machine so the back is facing toward the front.

The Jura sign must be removed. Turn it a few millimeters counterclickwise.

If this becomes difficult use a suction cup to assist.

Remove the Jura sign.

Step 3

Behind the Jura sign are two screws with an oval head. They have to be removed.
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!!!!

Behind the Jura sign are two screws with an oval head. They have to be removed.

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!!!!

Step 4

Push the back down a bit and then remove it.

Push the back down a bit and then remove it.

Step 5

Pull the right side panel- as seen looking to the frontpanel - backwards and take it off.
Sometimes it gets a bit stuck and may require a bit more of a pull.

Pull the right side panel- as seen looking to the frontpanel - backwards and take it off.

Sometimes it gets a bit stuck and may require a bit more of a pull.

Step 6

In this step, you should remove the screws of the left side panel. The side panel can only be removed after removing the top cover.
Remove the Torx T15 screw on the front wall of the side panel.
In the side part there is a lid over the brew group. The lid is fastened at the top with two oval head screws. Remove those to remove the lid.
With the cover removed the brew group becomes visible

In this step, you should remove the screws of the left side panel. The side panel can only be removed after removing the top cover.

Remove the Torx T15 screw on the front wall of the side panel.

In the side part there is a lid over the brew group. The lid is fastened at the top with two oval head screws. Remove those to remove the lid.

With the cover removed the brew group becomes visible

Step 7

This step shows how to remove the top cover
Remove the powder tray and all coffee beans.
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.
Remove the two Phillips screws on the bean container and remove the bean container.
Lift the cover upwards.
If it is stuck, use a plastic opening tool to carefully pry it open.
The lid of the bean container is held in place by a small, strong magnet that loosely rests. It is either in the green marked recess, or it remains hanging on the bean container. Make sure it is not lost!

This step shows how to remove the top cover

Remove the powder tray and all coffee beans.

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.

Remove the two Phillips screws on the bean container and remove the bean container.

Lift the cover upwards.

If it is stuck, use a plastic opening tool to carefully pry it open.

The lid of the bean container is held in place by a small, strong magnet that loosely rests. It is either in the green marked recess, or it remains hanging on the bean container. Make sure it is not lost!

Step 8

Pull the left side panel backwards to take it off.
For some repairs it is not necessary to remove the left side panel.

Pull the left side panel backwards to take it off.

For some repairs it is not necessary to remove the left side panel.

Step 9

              Motor for the drain valve

The drainage motor on the Z6 and following models is fixed with two Torx T15 screws. Unscrew them and pull out the motor.
Leave the cables connected to the motor for the time being. Trigger a flushing process and observe whether the pin moves back and forth. If not, the gearbox is blocked. You may be able to get it going with the following steps.

The drainage motor on the Z6 and following models is fixed with two Torx T15 screws. Unscrew them and pull out the motor.

Leave the cables connected to the motor for the time being. Trigger a flushing process and observe whether the pin moves back and forth. If not, the gearbox is blocked. You may be able to get it going with the following steps.

Step 10

The gearbox (the black plastic part) is attached to the metal engine block with four metal tabs. Straighten the tabs with a small screwdriver.
Pull the gearbox off the engine block.

The gearbox (the black plastic part) is attached to the metal engine block with four metal tabs. Straighten the tabs with a small screwdriver.

Pull the gearbox off the engine block.

Step 11

Turn the armature of the motor while holding the pin. Check whether the pin moves back and forth.
This probably solves the blockage. Grease the worm (and the pin) again a little. Position the worm so that it protrudes about 3 mm.
Reassemble the motor and bend the retaining tabs on the metal housing until it is tight.

Turn the armature of the motor while holding the pin. Check whether the pin moves back and forth.

This probably solves the blockage. Grease the worm (and the pin) again a little. Position the worm so that it protrudes about 3 mm.

Reassemble the motor and bend the retaining tabs on the metal housing until it is tight.

To reassemble your device, follow these instructions in reverse order.

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What you need#

Member-Contributed Guide

Introduction

What you need