Question about Jura Capresso Impressa E8 Espresso/Coffee Maker

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How to get rid of air lock in a Jura Impress E8?

It looks like I have air lock somewhere the system. There is no water In any of the hoses and the machine keeps saying "Open Tap" and when I do the pump runs much louder than usual trying to pull water from the tank but nothing gets pulled into the system. I have opened the tap probably 10 times now and no luck, its still not pulling water from the tank.

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  • dustin lambert
    dustin lambert Oct 24, 2015

    I just found a solution incase anyone else finds themselves in the same situation. First filled the tank with warm water since it has less oxygen than cold water. Next, I disconnected the water house from the back of the water pump, this allowed the water to be gravity fed to the pump. I quickly reconnected it once the water started coming out of the house, thus insuring the line was free from air. I then ran the "Open Tap" cycle 2 more time then let the machine rest for about 15 minutes and let the warm water go to work. I tried it again and water is now flowing through the system like it should.



6 Suggested Answers


6ya staff

  • 2 Answers


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Posted on Jan 02, 2017


Morten Bergendahl

  • 60 Answers

SOURCE: open tap - filling system - close tap

Try using warm water in the watertank, important that the water is not too hot, it can cause leakage in the o-rings in the fluidsytem.
Repeat the procedure a few times, if nothing helps, turn off the machine and wait 1 hour and try again.

If you can`t get around this message, then the flowmeter needs to be changed.

Posted on Jul 12, 2009


Quaffer Mac

  • 33 Answers

SOURCE: When turned on it will prompt "Open Tap" "Close Tab"

There are two possible causes. One is easy the other is hard. So try the easy one first. Remove the grinds tray completely, and place you hand in the cavity that it normally takes up. moving you hand slowly in, feel towards the top. you will find a little flap, past that flap there is the tamper and coffee filter at a slight angle. This may be blocked, so clean with a cloth.
If that does not solve the problem (and 90% of the time it does) then you may have a small spec of dust that is stuck in the water system, this needs to be flushed and cleaned. The best place to do that is with a Jura approved center. Unless you are technically minded. Your local Jura chaps sound like they need a k!$k up their behind

Posted on Feb 13, 2010


Tom Carson

  • 3083 Answers

SOURCE: My Jura Impressa E8 displayed

Here is a solution from another tech here on FixYa, and perhaps it will help:

  • Rank: Apprentice
  • Rating: 100%, 2 Votes
Instructions from Capresso:
-pull out the drawer
-look inside the unit where the drawer has been removed and look for a flap (it's really the first thing you see on the left side)
-without moving the flap, reach your hand under it and up until you feel a flat surface
-this surface will have grounds on it
-feel for screw in middle
-take paper towel and wipe off grounds
-repeat until paper towel is clean
-replace drawer and done!
-do this about once a? week to prevent this
Good luck, and hope this helps.

Posted on Dec 21, 2010



  • 1711 Answers

SOURCE: Every time I make a

The problem as you described is have to do with your vibration pump. Is a very popular problem with vabrating pumps. They work purfect but as soon litle air is trap at there exit valve which is consist from two springs and one small teflon ball then you have the problem you have described. Manytimes repeating the descaling progress can solve the problem and in other cases if you desasemble the vibrating pump and brush it out from scale deposits and water dirt and rust then again you can solve the problem. If both the above can not give any results then you need a new pump. Many times it worth the effort to replace the pump from the first time so you will avoid all the desconfort and have results at once.

Posted on Jul 03, 2011


Quaffer Mac

  • 33 Answers

SOURCE: Display tap on Jura Impressa E75 say close tap, where is tap please

The tap is the dial on the left turn it, then it will turn the tap off. If it is repeating this then it may need to be decalcified.

Posted on Sep 09, 2012

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