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Wega Mininova no boiler heat!
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Discussions > Espresso > Machines > Wega Mininova no...  
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sonnyhad3
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Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
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Roaster: Behmor1600
Posted Mon Feb 24, 2014, 10:31pm
Subject: Wega Mininova no boiler heat!
 

Does anyone know whatthe trouble could be? I have replaced the thermal protection since theold one was burnt, but still no heat!
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,774
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 Tue Feb 25, 2014, 6:40am
Subject: Re: Wega Mininova no boiler heat!
 

You will need to get out a meter and check the power flow in the heat circuit. You need to find where the flow of power stops. Is there power to the safety ? Is there power to the heater? Is the heater burned out?  Only old fashioned trouble shooting procedures can find where the problem is, just replacing components until the problem magically goes away is a very costly way to "repair" the machine.

 
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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sonnyhad3
Senior Member


Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
Grinder: Rancilio Rocky, hand...
Roaster: Behmor1600
Posted Tue Feb 25, 2014, 11:18pm
Subject: Re: Wega Mininova no boiler heat!
 

I don't knowmuch about tracking power. But i did find continuity on the element leading me to believe its good.
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SStones
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SStones
Joined: 24 Nov 2012
Posts: 477
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Wed Feb 26, 2014, 6:12am
Subject: Re: Wega Mininova no boiler heat!
 

You could do the whole circuit by testing for continuity, too, if you prefer.  So your element is good, follow the wires.  Is there continuity through the whole circuit or does it stop at one of the components?  Follow it through the pressostat, thermal safety, all the way back to powerboard.
Once you've determined that it's the powerboard consider why it's not providing power to the heating circuit.
Is the boiler not full?  Is the boiler trying to fill?  If not, is the reservoir full?
I'm not at all familiar with your machine, but it looks pretty simple in the pictures.
Some German Forum
I like the cube boiler.  Efficient use of space.
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sonnyhad3
Senior Member


Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
Grinder: Rancilio Rocky, hand...
Roaster: Behmor1600
Posted Thu Feb 27, 2014, 9:59pm
Subject: Re: Wega Mininova no boiler heat!
 

There is a giemme auto fill controller on the machine. I don't know if it controls the boiler or not. Although it seems like all wires stem from it.
But i have replaced 5 of these in 13 years at 185.00 each. Seems a bit excesive to me.
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sonnyhad3
Senior Member


Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
Grinder: Rancilio Rocky, hand...
Roaster: Behmor1600
Posted Sun Mar 2, 2014, 3:54pm
Subject: Re: Wega Mininova no boiler heat!
 

Gotta be someone who remembers the Wega!
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sonnyhad3
Senior Member


Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
Grinder: Rancilio Rocky, hand...
Roaster: Behmor1600
Posted Thu Mar 6, 2014, 4:25pm
Subject: Re: Wega Mininova no boiler heat!
 

Anyone?
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 749
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Fri Mar 7, 2014, 2:25am
Subject: Re: Wega Mininova no boiler heat!
 

You're not giving much to go on. Cal and SStones gave you a pretty good starting point. Did you try following power back to the controller? Is there power at the pressurestat? You're going to need to poke around with a meter (carefully if you're following power) if you have any hopes of fixing it yourself. We can only help if you give us more info on test results.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 749
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Fri Mar 7, 2014, 1:11pm
Subject: Re: Wega Mininova no boiler heat!
 

Was just remembering that the Wegas usually came with a less than reliable pressurestat. Mine had been swapped out with a Sarai before I bought it. That would maybe be a good place to start, unplug the machine and check for continuity through the pressurestat. with no heat in the boiler it should definitely be a closed circuit.
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sonnyhad3
Senior Member


Joined: 21 Feb 2009
Posts: 13
Location: holland, Mi
Expertise: I love coffee

Espresso: Wega Mininova, Cremina, and...
Grinder: Rancilio Rocky, hand...
Roaster: Behmor1600
Posted Sat Mar 8, 2014, 10:58am
Subject: Re: Wega Mininova no boiler heat!
 

Thanks Ron, that gives me a little more I can understand. I don't know thefirst thing about all the wiring or how to test!
That's most of my problem trying to repair it.
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