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Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
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Discussions > Espresso > Machines > Old big Vibiemme...  
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coffeefromhell
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Joined: 26 Jun 2012
Posts: 16
Location: switzerland
Expertise: I live coffee

Posted Thu Feb 27, 2014, 8:08pm
Subject: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

Hi

I just bought an old Vibiemme machine: (see attached photo)

Now I've spent the best part of the evening (I'm a machinist) taking it apart, cleaning it out, etc...
Before I did it, I ran a quick test - heated up, pump didn't work (it wasn't really turning)...
Then I fixed the pump (that was rather simple) switched it on again, heated up - filled the tank, Hot-water worked, steam worked...
But there wouldn't be any water coming through the brew-groups if I switched the appropriate buttons...
I thought they'd be pretty scaled up on the inside... and so was the boiler.
Well took everything apart, cleaned all the parts and re-assembled everything.

Now the rest still works (hot water, steam, pump, etc...) but I still get no water through the groups...
The only thing I can think of is the solenoid valves - are either malfunctioning or blocked somehow.

The rest of the electronics works... I can press the coffee buttons, pump goes on, etc... no problem there.


Any Input welcome... thanks!


Daniel



PS: If anyone knows what type of Vibiemme that is, and how old it is, I'd appreciate the info.

coffeefromhell: IMG_2487-2.jpg
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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 Thu Feb 27, 2014, 8:21pm
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

Most likely it is the circuit to or the 3way valves. As it is both brew groups I suspect the control circuit. The 3way valve switches the flow from the boiler to the group head for brewing or to drain the pressure off the puck to the drip tray.

 
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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coffeefromhell
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Joined: 26 Jun 2012
Posts: 16
Location: switzerland
Expertise: I live coffee

Posted Fri Feb 28, 2014, 2:05am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

calblacksmith Said:

Most likely it is the circuit to or the 3way valves. As it is both brew groups I suspect the control circuit. The 3way valve switches the flow from the boiler to the group head for brewing or to drain the pressure off the puck to the drip tray.

Posted February 27, 2014 link

Thanks Wayne,

You mention the "Control Circuit" ?   You mean the electronics / the logic board?

I'm just asking, cause basically everything else the electronics seem to control works fine...
Also basically the control circuit should (when brewing is to be done) only open the 3-way valve, start the roto-pump and then shut off everything again - or did I get this wrong?

thanks

Daniel
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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 Feb 28, 2014, 7:03am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

The "normal" position of the 3 way valve is to connect the brew group to the drip tray to relieve pressure from the group so you can remove the PF as soon as the shot is over.

When brewing, it connects the brew group to the boiler so that water can flow from the boiler to the coffee puck.

Check that you are getting power to the coil on the 3 way valve, if you do, then check to see if the valve is operating, if there is no power to it, you need to find why you are not.

The connections from the control board most likely are different for the 3 way valve and the pump motor though they both are activated (1 group at a time) when you select to brew.

With things mechanical and multiple, it is odd for more than one to fail in the same way at the same time. That is why I suspect the board rather than the coils but only by checking and seeing exactly what is going on, can the problem be further resolved.

 
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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coffeefromhell
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Joined: 26 Jun 2012
Posts: 16
Location: switzerland
Expertise: I live coffee

Posted Fri Feb 28, 2014, 7:20am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

Thanks...

I just finished taking the entire E61 apart - and I guess I found the culprit: the nozzle (the one centered, above the 3-way) was completely clacified ;)
Cleaned everything out  and just re-assembled it.

But before I fill the beast up again and see if it works, I'm going to give the other (Working) group the same TLC - 'cause I don't want to take the bugger apart any time soon again.

Thanks for the help...

I'll post a photo / video once I'm done with the machine.
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coffeefromhell
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Joined: 26 Jun 2012
Posts: 16
Location: switzerland
Expertise: I live coffee

Posted Fri Feb 28, 2014, 7:54am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

I'm Done !!!

Got it working...

it was just the almost complete blockage from scale-build-up...
neglect over the years probably.

you wouldn't believe me how much scale I had to clean out of the HX-boilers.... ;)

Now I'll have to clean up the shop's kitchen-space to install the new machine.
and I'll have to fetch some plumbing supplies.


The whole project, including cleaning of the machine, checking all the electronics, getting the roto-pump working again, cleaning out the flow meters, etc... cleaning the groups, the boilers, etc.
Well it took me about 10 hours of work at my machine shop...
But judging from how well it seems to run so far, well worth the investment, especially considering the price ;)
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calblacksmith
Moderator
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 Feb 28, 2014, 8:00am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

HEY, CONGRATS!

Yes, I DO know how much scale gets into the way! I had thought about scale but checking the 3 way is easier than disassembling the machine and that is where I was going to go after the reply back that the coil is getting power and the valve clicks to activate.

Again, CONGRATS!

 
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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coffeefromhell
Senior Member


Joined: 26 Jun 2012
Posts: 16
Location: switzerland
Expertise: I live coffee

Posted Fri Feb 28, 2014, 9:22am
Subject: Re: Old big Vibiemme (Two E61 Brew Groups) Problem: no water...
 

Thanks...

Just pulled the first shots and I'm quite pleased... sure have some grind adjustment, etc. to make...

Also the Pressure Dial is damaged on my machine - ordered a new one, until then I can't really make fine adjustments to the pressure.
But from the taste / texture I'm already rather happy.


One question: inside the machine (see attachement) there's an adjustable valve & solenoid... not sure what the valve adjusts...
it kind of looks like it is for how much water from the boiler / how much fresh water is going into the HX?  but I don't know if that makes any sense.

attached is a photo...


and here's a video of the first shot...
there's some channeling going on... but as mentioned, grind isn't yet properly adjusted, neither is pressure or anything... this was simply a test ;)
https://vimeo.com/87873817

coffeefromhell: IMG_2498-s.jpg
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