CoffeeGeek - Espresso: Espresso Machines, Rancilio S20 Brew head low pressure, Leaky solenoid

Espresso: Espresso Machines
Rancilio S20 Brew head low pressure, Leaky solenoid

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Discussions > Espresso > Machines > Rancilio S20...

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tsruhnke
Senior Member

Joined: 20 May 2012
Posts: 13
Location: Des Moines
Expertise: Pro Barista

Posted Fri Jun 15, 2012, 1:28pm Subject: Rancilio S20 Brew head low pressure, Leaky solenoid

Hello, I have recently descaled a 2 group S20 and solved all leaks and issues on it except one, which I have been tinkering with for weeks to no end. I am getting almost no water out of either brew head, it spits, and slightly more water is released from the solenoid valve as it runs. I re-soaked one head in citric acid and bought a new solenoid and valve for it but still no luck. I know power is getting to the solenoid but it just won't seal even with the new one. The pressure gauge is consistently reading close to 9 bars. Could this be an electrical issue? A clog in a seperate line? I just find it odd that they both do the exact same thing... I would sincerely appreciate any help. I am determined to fix this machine but have wasted more time on this solenoid! -Tim Link to my unresolved discussion: http://coffeegeek.com/forums/espresso/machines/583059#583059

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