Jura Impressa S9

May 10, 2015 08:30 pm

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Hi, I got an Impressa S9, everything's fine. Only the coffee runs very slowly. I have another F50 that can make two cups of coffee in the same time. I think the TB's calcified or may be due to something else? S9 already has about 40000 coffee purchases behind it! If it is TB worth it to revise or better to buy new?

numberonedefender

May 10, 2015 09:01 pm

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There is nothing to revise at TB. The first step, of course, is to decalcify thoroughly. And exclude that the grinding degree is too fine and clog the brewing sieve.

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Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

May 11, 2015 02:29 pm

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Now I have decalcified for approx. 2 hours and changed the grinding degree, coffee is running a bit faster now, will decalcify again in a few days and see if it gets better or if it gets new TB. Thank you for your answer!

numberonedefender

May 11, 2015 02:53 pm

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If the TB heats up and isn't clogged, you don't have to change it. For too slow water flow other components are possible, have a look at the water flow chart of the S9 ...

--------------------
Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

May 11, 2015 03:01 pm

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Ok! Then I'll look where it's tight!

numberonedefender

May 11, 2015 03:20 pm

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First check the outlet valve...

--------------------
Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

HWS

May 12, 2015 06:59 am

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Good morning,
the brewing sieve in the brewing unit also clog easily if the coffee is ground too finely.

Greeting HWS

numberonedefender

May 12, 2015 08:15 am

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QUOTE (HWS @ Tuesday, May 12, 2015, 05:59 a.m. -->'1'>table align='center' width='95%' cellpadding='3' cellspacing='1'>td>QUOTE)May 2015, 05:59 hrs)

Good morning,
the brew sieve in the brewing unit also easily clog when the coffee is ground too fine.

Greeting HWS

I mentioned that in my first reply...

--------------------
Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

May 12, 2015 05:03 pm

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I have already cleaned the brew strainer, cleaned the outlet valve today - nevertheless it still runs slowly, even if I turn the knob to get hot water, it also runs slowly and looks like air is being sucked in - you can see air bubbles in the hose. TB still seems to be fine because coffee and hot water are really hot.

numberonedefender

May 12, 2015 05:08 pm

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If the pump draws air, replace the inner distributor sleeve and check whether the small sieve in the tank holder is clean...

--------------------
Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

May 12, 2015 05:26 pm

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I have ordered now for the first time - do I have to open machine or it goes like this?

numberonedefender

May 12, 2015 05:39 pm

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QUOTE (numberonedefender @ Tuesday, May 12, 2015)May 2015, 16:08 hrs)

replace the inner distribution sleeve and check whether the small sieve in the tank holder is clean...

You don't have to open the machine to do that - but I thought you already had it open and are looking for bugs???

--------------------
Grüße, Manuel

Jura ENA Micro 9 (Küche)
Jura xF50 (Büro)
wechselnde Besetzung in der Werkstatt...
P.S.: Support gibt's im Forum, nicht per PN o.ä.

May 12, 2015 05:54 pm

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Yes, I screwed them back together until seals came! But the side where the water tank is wasn't open yet!

May 16, 2015 05:01 pm

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So, I replaced the inner distributor sleeve today - nothing has changed. When I draw hot water, it comes slowly and with lots of air, from time to time only drips, I don't know how it should be! But is that perhaps normal and it must be so?