Question about Rancilio S24 Espresso Machine

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Rancilio class 6 E compact authomatic spilling water

The boiler of the machin rancilio class E s presure goes up to more than 1.5 and start to spill water and vapor

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  • Kelley Hopper May 11, 2010

    Can you see the water level in the sight glass? Is it in the middle or a little above the middle?

  • Anonymous Mar 26, 2014

    how to change water pressure in rancilio classe 8?

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  1. check the solenoid valve and electronic comand for boiler filing. solenoid valve could be leaking, electronic part could have weak contact with level detector wire or relay (driver of solenoid valve and motor) has bad contacts, and does not open circuit circuit remains all the time closed.
  2. check the presurestat, be sure that he opens cirquit at 1.5 bar snd does not angage heating element to heat up more.

Posted on Mar 30, 2009

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Descaling rancilio


Use Citric Acid.

  1. Dissolve about one tablespoon of citric acid in the water reservoir.
  2. Fill the boiler completely. Open the steam valve and start a hot water cycle until water comes out the steam vent. Stop the hot water cycle, close the vent.
  3. Let the boiler heat up about 5 minutes. Then turn off the power.
  4. Let the acid solution work for about 1/2 hour.
  5. Pull a 30 second shot to change the water in the boiler.
  6. Repeat flushing cycles (steps 3, 4, & 5) until the water looks clear. Refill the reservoir with water and acid as needed.
  7. Wash out the water reservoir.
  8. Pull 5 or shots to get the acidic water out of the boiler. Run a hot water cycle to clean the acidic water out of the steam vent.
  9. Let the unit come to temperature and look for leaks.
  10. Make some coffee and look for leaks.
  11. Froth some milk and look for leaks.

Jan 18, 2014 | Rancilio Audrey

1 Answer

How do I change the water pressure (bar) on my Rancilio Classe 6 E 2GR?


You will have to adjust the pump. there is an adjustment nut on the side of the pumphead, if you screw it in that gives you more pressure, and if you loosen less.

Sep 19, 2011 | Rancilio Classe 6 E 2 gr Espresso Machine

1 Answer

Water keeps coming into the machine


First thing check the manual fill under drain tray to make sure it is in the off position, next check the water level in the sight glass, I will assume the machine has a level probe connected to the boiler and not the level card on the sight glass. Next check the inlet valve. If water comes into the boiler without stopping when the machine is turn on and it overfills then the connection on the level probe is missing or the inlet solenoid is not closing and needs to be checked for blockage.

Aug 05, 2011 | Rancilio Classe 6 E 2 gr Espresso Machine

1 Answer

LPG operated usually fine but drops pressure after a couple of hours continous use in our coffee van. Pressure will rise again after 10 mins or so. How do we stop this from happening? Jan


You can do one or two things;
1 - Increase the pressure stat to 1.3 bar,
2 - Raise the water level in the boiler for more thermal mass so that you do not lose as much heat when the machine adds water to the boiler.

Jul 05, 2011 | Rancilio Classe 6 Espresso Machine

1 Answer

My rancilio classe 8 has the water run out to fast first it happened on one side now its on both sides. We run it manually. Do you have any suggestions


Adjust the grind of the coffee you are using finer, I don't know what type of grinder you are using but I will assume it is a commercial one. Adjust it about 2 numbers towards fine that will be a good start.

Jun 28, 2011 | Rancilio Classe 8 Fully Automatic 5 Liter...

1 Answer

Hi, I purchased Rancilio Silvia v3. I have overflow of water in water tank. What happens and how can I fix? Thank you.


There is a max fill line mark on the side of the water tank. Fill the water to there or less. Do not fill the water any higher than this line or water will spill out the side where the water inlet hoses run. Also make sure that the tank is not cracked and leaking water.

Apr 26, 2011 | Rancilio Silvia Espresso Machine

1 Answer

I have a brand new Rancilio Classe 8 and it appears that the pump is not working. The machine was previously on another espresso cart, but was never used. However, the boiler was already filled. Note: it...


The pump may have some scale making the impeller stick. First remove it and attempt to turn the impeller shaft with a pliers. You may be able to unstick it. If not, you will need to use an aggressive descaler that you should completely soak the pump in. 50% muriatic pool acid is what I use. If after this, the impeller shaft will not budge with a pliers, your pump is no good and this is a very common problem in machines that sit. You will have more scale problems from that machine sitting, so get ready.

Feb 16, 2011 | Rancilio Classe 8 Fully Automatic 5 Liter...

1 Answer

Hi! I have a Rancilio epoca DE 2 group machine and the antivacuum valve spurts water as the machine is heating up. ow can I fix this? Please advise


Your boiler is flooding because the water level probe is not behaving properly. The machine thinks it needs water.

Jan 09, 2011 | Rancilio Epoca ST-1 Espresso Machine

1 Answer

Wont build presure


Unplug power and remove left side cover. Press down on red breaker switch to reset it.

Apr 02, 2010 | Rancilio S24 Espresso Machine

2 Answers

Rancilio Silvia coffee machine worked once and the


Remove the top panel one of the thermostats on the tank tripped, reset thermostat, and turn machine on.

Dec 25, 2009 | Rancilio Silvia Espresso Machine

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