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Just picked up a Wega Mini Nova
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Brissbrass
Senior Member


Joined: 29 Jan 2014
Posts: 6
Location: Key West
Expertise: Just starting

Espresso: Wega Mini Nova
Posted Wed Jan 29, 2014, 7:00am
Subject: Just picked up a Wega Mini Nova
 

Hey everyone,

New to the forum and decided to join today since I purchased a Wega Mini Nova yesterday for $80. The outside plastic is cracked in some spots and its a little beat up but the insides look it great shape. I turned it on and it beeped at me for about 30 seconds then sounded like it turned on similar to the sound of a refrigerator kicking on, I immediately turned it off. I love espresso but have never touched a machine before.

So i'm wondering if I got a good deal and if the forum has a amateur's guide to espresso making(how to add water to the machine, clean it, proper coffee grinding, packing, and operating to make a cup of espresso).  Thanks! I've tried searching but can't quite find what i'm looking for.
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Brissbrass
Senior Member


Joined: 29 Jan 2014
Posts: 6
Location: Key West
Expertise: Just starting

Espresso: Wega Mini Nova
Posted Wed Jan 29, 2014, 7:30am
Subject: Re: Just picked up a Wega Mini Nova
 

I found the How to/Guide section but not much on an initial set up of a machine.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,722
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 Wed Jan 29, 2014, 1:35pm
Subject: Re: Just picked up a Wega Mini Nova
 

That machine comes in several configurations according to what I can find. In short, it is a semi or automatic, HX machine with either a vibe pump or rotary pump and can be either plumb in or pour over.

To be of any help, we need more information about it.

N general, you connect to water source or fill the water tank, plug it in and turn on. The pump should run to fill the boiler and the heater will come on to heat the boiler.

It should not beep, often this is an indication of no water in the tank. Do not use distilled water as it is too pure and does not conduct power and the machine thinks the tank is out of water.

 
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Brissbrass
Senior Member


Joined: 29 Jan 2014
Posts: 6
Location: Key West
Expertise: Just starting

Espresso: Wega Mini Nova
Posted Thu Jan 30, 2014, 12:03pm
Subject: Re: Just picked up a Wega Mini Nova
 

Great, i'll start with getting the specifics on the machine as well as cleaning the fill up and get it running. As I move along i'll give details and narrow down the questions I may have rather then just one board "how do you use this thing". Thanks!
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cv
Senior Member


Joined: 16 Oct 2006
Posts: 76
Location: Vancouver, BC
Expertise: I love coffee

Espresso: Wega Mini EVD, SB Barista
Grinder: Vario, Preciso, Rocky DL,...
Drip: Capresso MT500+, Clever...
Roaster: Hottop for a few weeks!
Posted Thu Jan 30, 2014, 9:34pm
Subject: Re: Just picked up a Wega Mini Nova
 

calblacksmith Said:

That machine comes in several configurations according to what I can find. In short, it is a semi or automatic, HX machine with either a vibe pump or rotary pump and can be either plumb in or pour over.

To be of any help, we need more information about it.

N general, you connect to water source or fill the water tank, plug it in and turn on. The pump should run to fill the boiler and the heater will come on to heat the boiler.

It should not beep, often this is an indication of no water in the tank. Do not use distilled water as it is too pure and does not conduct power and the machine thinks the tank is out of water.

Posted January 29, 2014 link

If you can, post a picture of the control panel, that will answer a few questions about the version. If it has a plastic jug/tank, fill that up and make sure that the switch on the upper right side of the machine (with the plastic cover removed) is set with the I/O on I, that will set it to pull water from the tank. If no tank, you might have to connect it to a water source directly, either plumbed in or water jug. Mine is plumbed in now, but initially when set up to pull from the reservoir, it would beep when the tank needed filling.

Happy to help you if I can. I think you will find a few people on this site who have owned a Mini. Conrad
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Brissbrass
Senior Member


Joined: 29 Jan 2014
Posts: 6
Location: Key West
Expertise: Just starting

Espresso: Wega Mini Nova
Posted Mon Mar 10, 2014, 9:04am
Subject: Re: Just picked up a Wega Mini Nova
 

Hey everyone I have some updates on my machine. I recently cleaned it just a general wipe down, filled the reservoir and turned it on. After about 5 minutes I tried to dispense hot water, it vibrated and hot water came out. I then turned the knob for steam and a steady, continuous cloud of steam came out as well. I then tried to press the single cup button to dispense hot water through the porta filter. Annnnnd nothing happened. No sounds, no ticks, no water.

I contacted a local espresso machine repair man but he is so backed up he could only look at my machine for a minute. We checked the silonode valve that is suppose to click on to let the water through and determined it was good. He also set me the maintenance manual from WEGA and said he thinks it is faulty wiring from the buttons to the black box mother board, a fuse in the mother board or the motherboard its self. He services a ton of other appliances so that's as far as he could get me.

So now i'm turning to you guys here on the forum to see if you can help me narrow down what my problem is with this machine and how to go about fixing it. I can provide pictures or more information, but basically I get hot water and steam but nothing through the main dispenser (not sure what you would call it) where you attach the porta filter.


Thanks CG!
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cv
Senior Member


Joined: 16 Oct 2006
Posts: 76
Location: Vancouver, BC
Expertise: I love coffee

Espresso: Wega Mini EVD, SB Barista
Grinder: Vario, Preciso, Rocky DL,...
Drip: Capresso MT500+, Clever...
Roaster: Hottop for a few weeks!
Posted Mon Mar 10, 2014, 4:16pm
Subject: Re: Just picked up a Wega Mini Nova
 

If you are getting hot water and steam that means the pump and boiler are working, or at least getting power. If the pump is not kicking in (no sound when you press the 1 cup switch) to give you flow through the group head (where you attach the portafilter), that does point to a problem somewhere between the switch and the controller. Unfortunately that is most of the electronics on the machine. I assume you have also tried the button for two cups and the manual button as well?

If you are comfortable poking around inside (With the machine unplugged, of course). I would take the top and sides off so you can reach all the connections,  and then unplug and reseat every connector you can reach and look for any white or off coloured corrosion.

After that, it is a matter of checking whether there is power at each connector where there should be when the unit is plugged in and turned on. You would need a wiring diagram, multimeter, and be comfortable to do this. Not recommended unless you know what you are doing.

But I would at least inspect and wiggle each connector (with the machine unplugged) to make sure that they are all connected and there are no loose connections if you or the technician haven't done that already.

I haven't had to replace any of my electronics so  far (knock on wood), so that is about the limit of my experience! Good luck. Conrad
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elhabem
Senior Member


Joined: 11 Mar 2014
Posts: 1
Location: russia
Expertise: Just starting

Posted Tue Mar 11, 2014, 1:33am
Subject: Re: Just picked up a Wega Mini Nova
 

thanks you ))
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Brissbrass
Senior Member


Joined: 29 Jan 2014
Posts: 6
Location: Key West
Expertise: Just starting

Espresso: Wega Mini Nova
Posted Tue Mar 11, 2014, 7:36am
Subject: Re: Just picked up a Wega Mini Nova
 

Thanks Conrad,

I have taken the top off and poked around. I looked at all the wires and especially the wire that runs from the controls too the motherboard. I did also try the manual button as well as the two cup. I get response from neither, and I even tried holding them down for 5-10 seconds. I have not tried unplugging any of the wire connections in to the board and/or making sure they are secure. I will do this and take a closer look and report back. Thanks again!
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oofnik
Senior Member


Joined: 29 Mar 2006
Posts: 114
Location: Israel
Expertise: I love coffee

Espresso: NS Oscar, Gaggia Factory
Posted Sat Mar 15, 2014, 5:44am
Subject: Re: Just picked up a Wega Mini Nova
 

Hi, congrats on your purchase. You practically got it for free!

I worked on a Wega Mini Nova a number of years ago. It was damaged in shipping and required using a press to bend the frame back into shape. All in all a fun project and a great machine. I made some modifications as well like adding a dual pressure gauge and electronic control (not PID) of boiler pressure.

Hope my rebuild album can be of some assistance.

J
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