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Bunn Trifecta MB Owners' Thread
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Discussions > Coffee > Machines > Bunn Trifecta MB...  
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BOTR
Senior Member


Joined: 1 Feb 2012
Posts: 52
Location: IL
Expertise: I love coffee

Posted Tue Feb 19, 2013, 5:41pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

Received mine today.

LOVE IT.
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nachoslibres
Senior Member


Joined: 3 Dec 2012
Posts: 30
Location: Tyler, Texas
Expertise: I love coffee

Grinder: Baratza Vario-W
Drip: Bunn trifecta MB
Posted Tue Feb 19, 2013, 9:10pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

BOTR Said:

Received mine today.

LOVE IT.

Posted February 19, 2013 link

Congrats!  I've yet to tire of messing with all the settings on mine.
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Socalsteve
Senior Member


Joined: 25 Mar 2011
Posts: 33
Location: Los Angeles
Expertise: I love coffee

Espresso: Alex Duetto II
Grinder: Versalab M3, Baratza Vario-W...
Drip: Bunn Trifecta MB
Posted Wed Feb 20, 2013, 10:31am
Subject: Re: Bunn Trifecta MB Owner's Thread
 

Socalsteve Said:

Do you have the steel Ditting burrs for your Vario? Supposedly they cure the "fines" issues...They are on back order from Baratza...can't wait to get mine when they come back in stock...

Posted February 8, 2013 link

Received my steel burrs last night for the Vario, huge difference in coarseness and, in turn, more flavor in the cup, FYI.
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nachoslibres
Senior Member


Joined: 3 Dec 2012
Posts: 30
Location: Tyler, Texas
Expertise: I love coffee

Grinder: Baratza Vario-W
Drip: Bunn trifecta MB
Posted Sun Feb 24, 2013, 12:51pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

I've only had my trifecta for 2 months and since yesterday I've started to notice what seems to be an air leak from the top of the brew chamber.  I can't feel it with my hands but I've noticed a new noise which sounds like an air leak during the infusion and press out stages.  Also, it appears that the coffee doesn't get pressed out as hard as it used to - which would seem to go along with an air leak.

I cleaned out the brew chamber according to the instructions that came with the brew chamber tool and didn't see any issues.  I'm going to try using the other brew chamber - which I never use - and see if this makes a difference.  I'm really hoping it's the brew chamber as I'd rather have to send that in than to be without the trifecta for a couple of weeks.
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redkiosk
Senior Member
redkiosk
Joined: 13 May 2012
Posts: 218
Location: Chicago Metro Area
Expertise: I love coffee

Espresso: Illy Francis-Francis X1
Grinder: Baratza Preciso w/ Esatto...
Vac Pot: Someday, very intriguing!
Drip: Trifecta MB, Kalita Wave...
Roaster: A sure path to divorce!
Posted Sun Feb 24, 2013, 3:21pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

nacholibres,

My Trifecta had exactly what you described. Take a flashlight and shine it in the gap just above the brew chamber during the press-out phase. Is the shower head slowing raising (near the brew chamber handle) until most of the seal is exposed, then pffft sound? That is what mine was doing. Check your grind, it may be too fine and is causing  the pressure in the chamber to go over the 4.5 psi limit. Also, take the shower head seal off, clean it well (and the groove that it rests in) and install upside-down (yes, there i a slight difference). If it still persists, you may need your shower head to be adjusted. When I sent mine in, they couldn't find anything wrong and suggested it was the grind, but they did adjust the shower head latch mechanism while they had it. I feel that could have been the problem, for I have less play (springiness) when pushing up on the shower head than before. They also sent me a sample of what grind they use and I matched that. No problems since getting it back. I see you are located in Texas, so maybe a little longer than mine, but I sent mine in on a Monday and had it back in my hands on Thursday afternoon. Nothing near two weeks. I know the feeling being without it for a while. The camping French Press got old real quick! Hope this helps and take care!

Jim

 
The pathologically precise are annoying, but right!
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barkingburro
Senior Member
barkingburro
Joined: 23 Nov 2011
Posts: 187
Location: Irvine, CA
Expertise: I love coffee

Grinder: Baratza Preciso
Vac Pot: Trifecta MB, CafeSolo,...
Posted Sun Feb 24, 2013, 5:02pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

It's funny how consistent these problems have been between Jim and myself.  I experienced the air leaking from a not tight seal at the top early on and had to get my machine replaced.  I even experienced the water flowing back into the reservoir once, which was solved by using a half-full reservoir for one brew cycle.  And this isn't counting the Preciso grinder issue, which we both experienced.

 
- Michael
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nachoslibres
Senior Member


Joined: 3 Dec 2012
Posts: 30
Location: Tyler, Texas
Expertise: I love coffee

Grinder: Baratza Vario-W
Drip: Bunn trifecta MB
Posted Sun Feb 24, 2013, 6:59pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

redkiosk Said:

nacholibres,

My Trifecta had exactly what you described. Take a flashlight and shine it in the gap just above the brew chamber during the press-out phase. Is the shower head slowing raising (near the brew chamber handle) until most of the seal is exposed, then pffft sound? That is what mine was doing. Check your grind, it may be too fine and is causing  the pressure in the chamber to go over the 4.5 psi limit. Also, take the shower head seal off, clean it well (and the groove that it rests in) and install upside-down (yes, there i a slight difference). If it still persists, you may need your shower head to be adjusted. When I sent mine in, they couldn't find anything wrong and suggested it was the grind, but they did adjust the shower head latch mechanism while they had it. I feel that could have been the problem, for I have less play (springiness) when pushing up on the shower head than before. They also sent me a sample of what grind they use and I matched that. No problems since getting it back. I see you are located in Texas, so maybe a little longer than mine, but I sent mine in on a Monday and had it back in my hands on Thursday afternoon. Nothing near two weeks. I know the feeling being without it for a while. The camping French Press got old real quick! Hope this helps and take care!

Jim

Posted February 24, 2013 link

Jim,

Thanks for the feedback.  I do think it is due to my grind being too fine - I am currently using a very dark roast in my Vario-W but have the Vario set to the very coarsest settings.  I will say that when I do a water only brew i don't notice these issues.

I think I may just go ahead and do the calibration on the Vario - I really don't want to get the steel burrs since I do plan on using the Vario for espresso.  I also will do what you said about cleaning and flipping the seal.  Thanks again.
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sweaner
Senior Member
sweaner
Joined: 16 Nov 2007
Posts: 1,127
Location: Yardley, PA
Expertise: I live coffee

Espresso: Vetrano, Arrarex Caravel, La...
Grinder: Mazzer SJ, OE Pharos
Drip: Bunn Trifecta MB
Roaster: Poppery II
Posted Mon Feb 25, 2013, 10:29am
Subject: Re: Bunn Trifecta MB Owner's Thread
 

I have never tried to remove the seal. How exactly is this done?

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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Socalsteve
Senior Member


Joined: 25 Mar 2011
Posts: 33
Location: Los Angeles
Expertise: I love coffee

Espresso: Alex Duetto II
Grinder: Versalab M3, Baratza Vario-W...
Drip: Bunn Trifecta MB
Posted Mon Feb 25, 2013, 10:39am
Subject: Re: Bunn Trifecta MB Owner's Thread
 

nachoslibres Said:

Jim,

Thanks for the feedback.  I do think it is due to my grind being too fine - I am currently using a very dark roast in my Vario-W but have the Vario set to the very coarsest settings.  I will say that when I do a water only brew i don't notice these issues.

I think I may just go ahead and do the calibration on the Vario - I really don't want to get the steel burrs since I do plan on using the Vario for espresso.  I also will do what you said about cleaning and flipping the seal.  Thanks again.

Posted February 24, 2013 link

Replacing out the burr set is only 6 screws and the coarser grounds are far superior to even the coarsest setting on the Vario with the ceramic burrs...really glad I did it!
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nachoslibres
Senior Member


Joined: 3 Dec 2012
Posts: 30
Location: Tyler, Texas
Expertise: I love coffee

Grinder: Baratza Vario-W
Drip: Bunn trifecta MB
Posted Mon Feb 25, 2013, 12:29pm
Subject: Re: Bunn Trifecta MB Owner's Thread
 

sweaner Said:

I have never tried to remove the seal. How exactly is this done?

Posted February 25, 2013 link

Takes 3 seconds.  Raise the latch, remove the brew chamber (if one is installed), lower the latch and you will see the black spray head which is surrounded by a black gasket that has 3 individual fins on it.  Just gently pull the black gasket off and you can clean it off and/or flip it.
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