Question about Jura Capresso Impressa S9 Coffee Maker/Espresso Machine

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Jura S9 coffee machine, keeps on asking to be primed. Jura S9 coffee keeps on asking to prime by pressing steam. I have changed, pump, flow damper, one way valve, flow sensor, done service on washers and checked pipe for blockages. Sometimes it works for a week or so then problem comes back. At present its wanting to be primed all the time. Steam does come out when primed but pressing the tea or coffee buttons asks for priming again.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1089 Answers

SOURCE: Why am I getting a

HI
The problem you have is, there is a restriction in the intake of your flow meter. It usually is a piece of coffee that fell into you water receptacle when you had the water tank off. Then you filled the bean hopper and the chip of coffee fell in the receptacle, and then you replaced your water tank and that let the chip flow to your flow meter and now you have a slight flow of water and you always get the ventilate message.
You need to remove the flow meter (in the back bottom of the machine, attached to the tube that goes to the receptacle) and clean the intake side, and then remember "When you are working on either the beans or water, make sure that the other one is covered".

Posted on Jul 29, 2009

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McLindy
  • 32 Answers

SOURCE: no water coming through the head after prime etc

I have the same problem. I disassembled the unit body from the boiler. There was some scale, which I cleaned out. However, everything was flowing through the orifices with gravity -- no need to use a pipe cleaner because nothing is clogged.

So then I started tracing the flow of water. There is only one thing between the boiler and the shower head: the solenoid valve (in diagram ER0182 part # 27).

Sure enough, the solenoid valve will not accept water through the orifice that would route it to the shower head. Of course, this is with the solenoid unplugged and removed from the system. I soaked the orifice end of the solenoid valve in some decalcifiying solution in the hope that the solenoid piston may be jammed with a bit of scale.

Now I'm going to reassemble and hope for the best. However, my guess is that my solenoid valve needs to be replaced. Everything else is working (pump, valves, tubes, etc.).

I will report back.

Posted on Aug 07, 2009

EsWorld
  • 1618 Answers

SOURCE: gaggia baby espresso machine - water comes out of

Remove shower and screw, then run brew button, if that works clean shower, if not remove allen wrench screws and clean diffuser and valve on spirng.

Posted on Oct 21, 2009

  • 60 Answers

SOURCE: Hi,

This is a really strange error, but it makes some sense if you own a S9 One Touch model. Then there`s a problem with the squeezing valve located behind the steam/cappuccino outlet. If this is an older model, then it could be a problem with the ceramic valve, but normally this makes the water flud all over the frontpanel and inside. In both cases, i would recommend to send the machine to the nearest servicecenter.

Posted on Nov 11, 2009

  • 2 Answers

SOURCE: Unable to prime Sirena Espresso Machine

n regards of the no prime issue. this is the only way i could prime this new puppy.make sure its stone cold which is a no brainer since it will not heat h2o unless its primed. first take off steamer plastic tip ,turn on steamer clock wise till pump starts. then **** the tip of the end of the metal tip hard until pump stops may need to do it a couple of times. yes this seems out of this world but it works. you are flushing out the vapor lock in the pump. bravo enjoy!

Posted on Nov 29, 2009

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1 Answer

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Ventilate message

That means the pump needs to be primed by running water through the wand. Push the water button and open the knob on the right. You will hear the pump change tone when it primes and the light or message will disappear. If you have a restriction in the intake line the message will not go away. There is a flow meter inside the machine that measures water flow. If the flow meter does not spin when the pump is running, the computer thinks that the pump is not primed. Coffee grounds can get into the intake and restrict the flow meter. If you get a restriction in the water intake (below the water tank, on the machine) the pump may run and water comes out, but the flow meter does not create the jet of water to spin the turbine wheel to send impulses to the computer. You get the ventilate message. One thing to remember is when you are working on the water system (have the water tank off) do not fill the bean hopper and visa versa. Keep them covered when working on the other. Cross contamination will damage a machine fast
The first thing that I would check is the tip of the steam wand for a plug. If that is clear then I would suspect a clogged flow meter. If you can get the flow meter out it twists apart and don't loose the parts and the dot on the turbine goes up. Clean out the small opening on the bottom pipes where the hoses attach. Look inside and make sure that they are clear before reassembling.

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Hello
This is a common problem and there`s usually only 1 thing you can try to do yourself. Use luke warm water in the watertank and repeat the fill system procedure 4-5 times. If this doesn`t help, try to shut down the machine and try the same after 30 minutes. If nothing happens after you tried this a few times, then theres a problem with the solenoid valve for steam, and this need to be changed. That`s something you need help from a technician for.

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PS. During steamprocessing the pump just have small ticking sound, and not the same sound as during brewing. There is no way around this Fill system message, and the reset function is not activated until any System Messages has been clared.

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Prime it


1. Open the steam knob all the way.
2. Turn on the pump (coffee Button)
3. Turn on the power to the machine.

The machine will start to pump hot water out from the steam wand. When you get a steady flow, your machine has been primed.

For Descaler, Cleaners and Parts for your saeco machine visit
www.CeriniCoffee.com

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