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Rancilio Silvia (2006 model) problem.
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Discussions > Espresso > Machines > Rancilio Silvia...  
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redsoxfred
Senior Member


Joined: 14 Mar 2014
Posts: 17
Location: montreal
Expertise: I live coffee

Espresso: rancilio silvia
Grinder: rancilio rocky
Posted Fri Mar 14, 2014, 12:48pm
Subject: Rancilio Silvia (2006 model) problem.
 

Hi.  I am new here and I think my Silvia is having a midlife crisis.

I have had it for 7+ years and i would estimate its maintenance regimen to adequate, descalling a couple of times a year.

I just replaced the portafilter and screens around new year.  I assume this machine would still work for 5+ years.

Last week it stopped sending water to the portafilter.  Water would go easily to the steam wand, either as hot water or steam.

I didn't want to take it in (I live far from a service center).  So I youtubed a couple of how to videos and took apart the entire thing.

I took pictures along the way to make sure I would put all back together.

After taking apart the boiler, I found a good amount of what looked like gray-black sandlike substance at the bottom.  I removed all that obviously, assuming it was water residue.

I also took apart the 3 way valve, cleaned it up.

I put the entire machine back together (i have a spring left, not the one from the 3 way valve), but i think it's supposed to go next to the copper tube that connects the steam wand to the boiler, but i am not sure, so I guess my first question is, where does the spring go ?

but my main problem is that I think i accidently broke the thermostat.  the connector that has a little red breaker.  the red button broke off, and now the machine works, i get water going through the portafilter, but its too hot, regardless if i put it on steam or not.  It's like it's on full boil at all time.

the symptoms telling me something is wrong, beside the fact the coffee comes out boiling ;) is the return tube in the water thank is now functionnal as a humidifier, as it spouts steam non stop.  Also, the machine get real hot.

Needless to say, i turned off everything and am i now shopping for a replacement thermostat.

Does it sound like i understand what is wrong, or would someone be so kind as to help me figure out how to fix my machine .

thanks to all

Fred
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,781
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Fri Mar 14, 2014, 3:56pm
Subject: Re: Rancilio Silvia (2006 model) problem.
 

A picture of the spring would help.

Thermostats are inexpensive but you might want to put a PID on it instead, it would bring the machine up to the next level for a SBDU.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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redsoxfred
Senior Member


Joined: 14 Mar 2014
Posts: 17
Location: montreal
Expertise: I live coffee

Espresso: rancilio silvia
Grinder: rancilio rocky
Posted Fri Mar 14, 2014, 6:36pm
Subject: Re: Rancilio Silvia (2006 model) problem.
 

Here is the spring next a AA battery for size perspective.

While I would like to go PID, my $$$ right now is like 20$, so thats out for the forseeable future.

redsoxfred: Spring.jpg
(Click for larger image)
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alanfrew
Senior Member
alanfrew
Joined: 19 Dec 2001
Posts: 642
Location: Melbourne
Expertise: Professional

Posted Sat Mar 15, 2014, 3:48am
Subject: Re: Rancilio Silvia (2006 model) problem.
 

There are only 2 non-pump springs in a Silvia, one inside the solenoid valve and the one inside the overpressure valve (the one you've got "left over"). Replacing the overtemp thermostat is well within your budget.

Alan
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redsoxfred
Senior Member


Joined: 14 Mar 2014
Posts: 17
Location: montreal
Expertise: I live coffee

Espresso: rancilio silvia
Grinder: rancilio rocky
Posted Sat Mar 15, 2014, 7:23am
Subject: Re: Rancilio Silvia (2006 model) problem.
 

thanks alan...

so from my description, replacing the overtemp thermostat would solve the problem i experience.

thanks

fred
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alanfrew
Senior Member
alanfrew
Joined: 19 Dec 2001
Posts: 642
Location: Melbourne
Expertise: Professional

Posted Sat Mar 15, 2014, 3:01pm
Subject: Re: Rancilio Silvia (2006 model) problem.
 

redsoxfred Said:

thanks alan...

so from my description, replacing the overtemp thermostat would solve the problem i experience.

thanks

fred

Posted March 15, 2014 link

No. Replacing the spring would, though.

Alan
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redsoxfred
Senior Member


Joined: 14 Mar 2014
Posts: 17
Location: montreal
Expertise: I live coffee

Espresso: rancilio silvia
Grinder: rancilio rocky
Posted Sat Mar 15, 2014, 5:16pm
Subject: Re: Rancilio Silvia (2006 model) problem.
 

I did replace the spring, and now i do not get the steam coming out of the return hose.  so thats fixed.

However, I still get everything too hot, regardless of if the steam switch is on or not.  

Is it possible I have a dead thermostat ?
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JGG
Senior Member
JGG
Joined: 31 Mar 2006
Posts: 1,377
Location: Kentucky, US
Expertise: I like coffee

Espresso: PID Silvia; PID Alexia
Grinder: Mazzer SJ
Roaster: Hottop D w/HTC+TC4C
Posted Sun Mar 16, 2014, 2:41am
Subject: Re: Rancilio Silvia (2006 model) problem.
 

Check your wiring. Sounds like you've bypassed a thermostat or two.

Jim

EDIT  Compare to this wiring diagram from RandyG's web site:
http://www.frcndigital.com/coffee/silviawire.html
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redsoxfred
Senior Member


Joined: 14 Mar 2014
Posts: 17
Location: montreal
Expertise: I live coffee

Espresso: rancilio silvia
Grinder: rancilio rocky
Posted Sun Mar 16, 2014, 6:19pm
Subject: Re: Rancilio Silvia (2006 model) problem.
 

thats what i thought, but i took picture and double checked everything...

I will check it all again tomorrow morning.

to be safe, i ordered new thermostats.  So i will have backups if it was just a wrong wiring.
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JGG
Senior Member
JGG
Joined: 31 Mar 2006
Posts: 1,377
Location: Kentucky, US
Expertise: I like coffee

Espresso: PID Silvia; PID Alexia
Grinder: Mazzer SJ
Roaster: Hottop D w/HTC+TC4C
Posted Mon Mar 17, 2014, 5:01am
Subject: Re: Rancilio Silvia (2006 model) problem.
 

Replacing the thermostats makes very good sense, and will hopefully resolve the problem.  If not, post again here with some additional information about the behavior of the orange indicator lamp next to the main power switch.  This light tells you when the thermostats are calling for heat and is very helpful in diagnosing temperature problems.

Jim
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