calblacksmith Moderator Joined: 25 Nov 2007 Posts: 7,479 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!
SStones Senior Member Joined: 24 Nov 2012 Posts: 453 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.
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.
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.
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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