Question about LaSpaziale S1 Vivaldi Espresso Machine

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I have a Spazio EK. When I open the valve to allow water into the machine, the pressure relief valve at the top of the boiler starts spraying out water. I've tested by shutting down the machine, cooling for several hours, and starting cold. Again, as soon as water enters the Spazio, the valve sprays. I disassembled and reassembled the valve and spring. Same result. It's hard to imagine that the valve suddenly malfunctions, so I'd be delighted to hear from others. Comments?

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  • dthievin Apr 15, 2011

    How do I determine if the level probe isn't working? And do you know the part number so I can see it in the schematic? Thanks a million.

  • dthievin Apr 17, 2011

    I've checked the probe, and it measured nothing when unplugged. But here's something I found interesting:

    For testing, I replaced the spring in the pressure relief valve with a much stronger one. When installed, the boiler element would not power up. When I went back to the original spring, power was restored to the boiler element.

    For me that's very strange since I don't understand the relationship between the heat sensor -- the probe -- and the pressure relief valve itself. There's no apparent electrical signal attached to the pressure relief valve, so how does it work aside from the normal spring compression when the boiler pressure gets too high? And why wouldn't the system power up when I put in the heavy spring? (I did it twice to be sure.)

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  • Master
  • 1,618 Answers

Have you checked the level probe it could not be telling the machine that it is full and so the inlet valve keeps filling.

Posted on Apr 15, 2011

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  • dthievin Apr 15, 2011

    How do I determine if the level probe is working? And do you have the part number so that I can locate it in the schematic? Thanks a million.

  • Ernest R
    Ernest R Apr 15, 2011

    The level probe is usually a stainless steel thin pin that stick out the top of the boiler with an electrical connection going to it. Remove the electrical connection, and since we know that the boiler is full, we will use an ohms meter on the top of the probe and the top of the boiler or any other metal part to see if there is resistance, if there is then the probe works and the problem is somewhere else(CPU board). If there is no resistance then remove probe and clean then check for resistance from one end of probe to the other.

  • Ernest R
    Ernest R Apr 19, 2011

    Is it possible to post a pic of the top of the boiler, it would really help in troubleshooting. And is the machine still overfilling. As far as I know there is no relationship between the overfill valve and the heating elements, because I have removed it several times on different machine models to check the boiler and kept it off when I turned the machine on. The main thing I would check on is the probe and how many of them are there on your machine(some machines has 2 one for bottom level and one for fill level), also check your ground on the plug and the machine, you might have a loose connection.

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