Nathan Senior Member Joined: 10 Nov 2010 Posts: 148 Location: Montreal Expertise: I love coffee
Espresso: Rancilio Silvia v3 Grinder: Vario Vac Pot: Hario
Posted Fri Jun 10, 2011, 3:59pm Subject: Re: The Rancilio S20 Series Thread (S24, S26, S27)
I have a used machine that didn't come with a supply hose. It says in the manual to use a 3/8" hose to supply the machine. But the brass fitting below the drip tray does not appear to be 3/8". I imagine they are referring to the supply tap, and that it goes from 3/8" to some other measurement. I'm estimating 1/2", but wondering if anyone knows for certain?
Kzin Senior Member Joined: 17 Sep 2011 Posts: 1 Location: NY Expertise: Just starting
Posted Sat Sep 17, 2011, 2:41pm Subject: Re: The Rancilio S20 Series Thread (S24, S26, S27)
I just got a S24 from a friend. Upon starting it up, it filled the boiler with ~2liters of water and started to heat up. However, the orange light on the left lower side is constantly on. In the manual it states: "if the lamp stays on, this means that the autolevel has not been activated. Ensure that the water supply tap is open, otherwise the machine must be switched off and authorized personnel must be consulted". The light will go out if I take the air trap out, but then the machine will not heat up. Any ideas how to fix this?
carbonkid85 Senior Member Joined: 6 Sep 2010 Posts: 8 Location: London Expertise: I love coffee
Espresso: Gaggia Baby Drip: Aeropress Roaster: Prima Popper!
Posted Wed Jun 13, 2012, 7:44am Subject: Re: The Rancilio S20 Series Thread (S24, S26, S27)
Currently fixing up an S24 (what a beautiful machine!).
I have swapped the pump and the boiler is now auto-filling okay. The steam wand and hot water outlet are functioning perfectly, and the water is coming out really clean for a machine which has been in storage for so long.
The brew circuit is not working, however. Electronics are all fine, the pump kicks in but barely a drip comes from the group head. Does this sound like a solenoid problem to you? Am I right in thinking that the part I need to strip out and clean is the piece which the pump outlet hose attaches to on the lower right of the machine?
Thanks for your help. I can't wait to get this machine working again...
MXJ Senior Member Joined: 3 Oct 2007 Posts: 12 Location: Melbourne Expertise: I live coffee
Espresso: Rancilio S20 3 DE, Silvia Grinder: La San Marco SM 95
Posted Mon Nov 19, 2012, 7:30pm Subject: Re: The Rancilio S20 Series Thread (S24, S26, S27)
I have just restored a 2 group S20 MIDI. All the functions works correctly, except the hot water control. It seems to be opening and closing, intermediately, very fast(spikes). Sometimes it will sit there for a long time and do nothing at all, end then it would start to play up for a few pulses, en then just sit there quietly.
When you push the dispensing button it works correctly.
I have done a calibration on the amount of hot water it dispenses, and it works fine every time I push the button. The push button is new, the solenoid valve is new. I have removed the control card and cleaned it thoroughly with a electronic card cleaning solution, but the problem still persists
Any ideas what else could be causing this problem?
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