Hello everybody,
This week I got a used Jura Impressa E85 as a present, which probably has some quirks. What she is missing exactly, nobody knows exactly anymore, because she stood around unused for some time now and nobody can remember exactly...
What was immediately noticeable from the outside was that water had leaked out again and again at the front right and the water tank was extremely calcified. In addition, the machine was very dirty.
After switching on, the display read "Clean device". But the cleaning process didn't end, because the message "Fill water" appears again and again, although the tank was full.
On the weekend I disassembled it completely according to the online instructions and cleaned it thoroughly.
1.) Since the error message "Fill water" still comes after thoroughly cleaning and descaling the water tank, I suspect that the reed contact is defective or something is wrong with the float. Could it be? Are there ways to test exactly what it is?
2.) The problem with the leaking water at the front right is, as far as I can judge as a fully automatic coffee machine newcomer, a broken membrane regulator, which was already completely rusted. Also here my question: Am I right with my assumption or can it also be due to something else?
3.) When I took the brewing unit apart, I noticed that the drainage valve was extremely calcified and dirty. In addition, there was always quite a lot of water running into the container. Can it be connected?
4.) Unfortunately, nobody knows anymore if or when seals have been replaced. Is there a way to tell that they need to be swapped? I'm afraid I don't know what they looked like, new.
5.) Is there a possibility to display the previous coffee purchases? Or even references since a last maintenance or something like that?
6.) Since the machine stood for some time and I don't know how often or if it was decalcified at all, I would like to decalcify it thoroughly after the repairs. I read about amidosulfonic acid, which should be very suitable for cold descaling. Is there a possibility to stop the descaling process in between for approx. 30 min, so that the descaler can act better than if it only runs through? Or should the descaling process be carried out more often in succession?
Many thanks for your answers. I am unfortunately a complete newcomer in the field...
Many greetings, Lisa
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