I had the same problem with my Francis Francis X3 overheating. I'm certain the thermostatic controls are similar and I suspected that as the problem. I did not want to pay the roughly $180-$200 to send it in for repair so I opened the X3, located the thermostat and discovered that it was a Prodigy Italiana TR/86 30C-120C adjustable thermostat with the temperature control knob removed and the "P2" wire-lug removed. I could not find one online, but later discovered that Chris' Coffee Service sells it for the Zaffiro here: http://www.chriscoffee.com/products/home/isomacparts/zaffirothermostat.
You should probably open your X1 and confirm the thermostat(s) before ordering. Ironically, I ordered the thermostat, put my old thermostat and machine back together so I could try to use it for a few more days while I waited for the new thermostat to arrive, and all of the jostling apparently freed up the thermostat in my machine so that it started working properly again. The new thermostat arrived and it is an exact match, so I have set it aside for when the orginal one permanently fails, and I know it will. Good Luck!
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It's a safety item, designed to stop this pressure reaching any dangerous level. High pressure steam can be very dangerous when let loose, as much as a blowtorch, so you only want enough to give you a good latte, no more.
It is possible that the thermostat for the steam is not operating or need to be reset. There are 3 in the silvia machine. Remove the four screws on the top to gain access. Unplug machine before doing any maintenance first.
Is the coffee good? It's most likely the thermostat. Inside the thermostat sensor is stuck into a hole in the boiler; if it gets detached the thermostat won't work but the coffee machine will. Mine hasn't worked for years but the coffee still tastes fine.
One thing that you will want to look for on your machine is to be sure that your temperature gauge is not malfunctioning. In some cases with the FF machines, the temp gauge will not work properly but the machine is still working just fine. When you start up the machine you should notice the the bottom light on the left hand side will come on and be lit solid. Once the machine is up to brew temperature the light will go off or begin to flash. This means you are ready for brew. Then hit the steam button to prepare the machine for steam. Again, the light will come on and be solid until the machine is up to steam temp. Then the light will go off or begin to flash. If this is happening than your machine is working fine and only needs to have the temp gauge replaced. If, however, you do not see this light go off it could be a couple of things. The control board could be malfunctioning, or the heating element is no longer maintaining the proper temperature. In this case it is generally recommended that the machine goes in for service. Or, you can contact Empire Fulfillment (877-855-4540) to order parts for the machine if you are comfortable doing the repair on your own.
hey. you have calcium build up on the wands that go in your boiler so they can't messure the temp properly so it keeps heating.buy a decalcifier from any coffee site online or coffee machine sales and repaires place.
That big nut is the pressure relief valve. It should normally be closed, unless the machine overheats, in which case it will vent the steam, thereby preventing an explosion.
The valve design means that it's somewhat normal for some steam to vent as the machine heats up, but once it gets close to working temperature, it should seal.
Pavoni does now have a replacement valve that avoids this problem. When your machine needs a major service, hopefully more than 5 years from now, you may decide to get the upgraded valve fitted.
If the heater is bad the machine will never reach the temperature so the light will never be on.Make sure if you open your steam knob to have some water coming out and feel if the water is warm or cold.Some machine have a thermostatic switch inside for protection..I don`t know specifically your machine but they all work about in the same way.
Several things I would check here. How old is your machine? Is the coffee coming out hot enough? If not, then perhaps the boiler is not reaching optimum working temperatures and needs replacing. When did you last descale your unit? If you live somewhere where there is a lot of hard water, and you don't prefilter it, then it could be scale build up in the tube. Try soaking only the tube end of the wand in some vinegar for about an hour, then try flushing it with steam once again. Finally, one has to be dilligent in CLEANING the steam spout right after you use it, EACH AND EVERY TIME! (that is why you almost always see barristas with a damp cloth over their shoulder, ready to use). Milk left on the wand will bake on and become quite hard to remove. This will happen on the outside as well as inside the tube. Soak the end of the tube with boiling hot water for about 10 minutes, wipe the end clean, and with a fine wire or pin clean the inside of the steam wand tube. You may have to repeat this procedure several times to fully clean the wand. If you are at all mechcanical, you could take your machine apart, remove the wand, and soak/clean it separately. But only do this if you are a quite confident handy person. Hope this helps and good luck!