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Bunn Trifecta MB Owners' Thread
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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 Sat Apr 12, 2014, 10:39am
Subject: Re: Bunn Trifecta MB Owners' Thread
 

Thank you all for your suggestions and tips!

I will try them and report back.

Steve
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sweaner
Senior Member
sweaner
Joined: 16 Nov 2007
Posts: 1,129
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 Thu May 1, 2014, 6:08pm
Subject: My MB is Sick!!
 

Well, I think that there is something seriously wrong with my MB. She may need hospitalization. :-(

Starting today, water started draining out of the brew valve during the brew. Thinking that this was simply a dirty valve, I started with that, but cleaning, replacing,and using my other chamber did not help. I also cleaned the valves in the brew head.

What seems to be happening is that starting with the water entering the chamber, air is also entering as would happen with press-out. Also, the agitation is not functioning correctly. It is as if the air is not being diverted properly. I will try to make a video documenting the problem later tonight.

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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sweaner
Senior Member
sweaner
Joined: 16 Nov 2007
Posts: 1,129
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 Thu May 1, 2014, 8:33pm
Subject: Re: My MB is Sick!!
 

Here is the link to the video.

www.youtube.com/watch?v=3jFJLpzby2Y

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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richberman
Senior Member
richberman
Joined: 10 Oct 2007
Posts: 7
Location: Pennsylvania
Expertise: I love coffee

Espresso: krups
Grinder: DeLonghi
Drip: krups moca
Roaster: i-roast
Posted Fri May 2, 2014, 6:00am
Subject: Re: My MB is Sick!!
 

Scott,
I don't know what's wrong with your trifecta, but ours is working great.  So is our new Hario vacuum pot beam heater.  Maybe you'd like to stop in to check it out and get your fix?
Best,
Rich
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jbviau
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jbviau
Joined: 12 Jul 2010
Posts: 734
Location: Pembroke Pines, FL
Expertise: I love coffee

Grinder: Preciso / LIDOs
Drip: Trifecta MB / Eva Solo...
Posted Fri May 2, 2014, 5:08pm
Subject: Re: My MB is Sick!!
 

Scott, you're a doctor. Fix that thing! ;) Sorry to hear about this.
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sweaner
Senior Member
sweaner
Joined: 16 Nov 2007
Posts: 1,129
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 Sat May 3, 2014, 5:26am
Subject: Re: My MB is Sick!!
 

Bunn is sending out a replacement. They feel that it is an internal valve that can't be fixed in the field. As I am a neurologist, I was able to make a diagnosis, but not able to cure, as is typical!

Fortunately, I have many back-up coffee making devices. The Impress has been called off the bench, and is doing well.

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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redkiosk
Senior Member
redkiosk
Joined: 13 May 2012
Posts: 222
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 Sat May 3, 2014, 2:55pm
Subject: Re: My MB is Sick!!
 

Scott,

Mine did something very similar to that a few weeks back. I know it was caused by something I did, because it started right after I forgot to add water and hit the brew button. While it was pulling in "air" and right after I said "Oh $h!t!" I started pouring the water in. It only drew in about a third of the water and then started brewing with the lesser amount. Another "Oh $h!t!" and I decided to push the button to abort that brew. That's when the problem started. With every brew after that, the agitation sounded different and it was pressing out coffee during the brew cycle. I too was ready to give Amanda a call thinking I got it caught between two brewing "cycles".

Since I only brew 12oz cups, my usually fix for extra water occasionally dripping out of the brew head as the tank heats up is to run a few back-to-back 6 or 8 oz water only cycles. I did that and it solved the problem. Those 5 am coffee brews are always a blur. I'm not awake yet and I need to brew two cups (wife and I) and also feed the dogs. That wasn't the first time I forgot to add water and hit the brew button, but it was the first time I decided to add the water while it was sucking air. I really don't know how anyone can do a timed pour-over early in the morning. I can't even get it right with just pushing a button! Take care!

Jim

 
The pathologically precise are annoying, but right!
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aberlucc
Senior Member


Joined: 26 Mar 2014
Posts: 4
Location: Rye, NH
Expertise: I love coffee

Posted Sun May 4, 2014, 12:56pm
Subject: Re: Bunn Trifecta MB Owners' Thread
 

I am a very new Trifecta owner and can't seem to get the coffee quite right.  I just bought some decent Kona beans and the coffee from the Trifecta seems pretty bitter.  I have a Rancilio Rocky and set it on 32 grind.  I set the Trifecta to 45 seconds C turbulence.  I also tried with some beans from Kenya and had the same experience so I know it is something I am screwing up.  I tend to like coffee a little bitter(always black) but this is too much.  Any help would be appreciated.
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sweaner
Senior Member
sweaner
Joined: 16 Nov 2007
Posts: 1,129
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 Sun May 4, 2014, 7:38pm
Subject: Re: Bunn Trifecta MB Owners' Thread
 

How much coffee are you using, and how much water. Bitter often means that the temp is too high, but this should not happen with the Trifecta.

How fresh is the coffee? How dark is it roasted?

 
-Scott
“Coffee - the favorite drink of the civilized world.”
Thomas Jefferson
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redkiosk
Senior Member
redkiosk
Joined: 13 May 2012
Posts: 222
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 Thu May 8, 2014, 3:35am
Subject: Re: Bunn Trifecta MB Owners' Thread
 

Hi aberlucc,

Welcome to the Trifecta club! How much coffee are you using? I'm thinking not enough and it is being over extracted. I too was getting bitter tasting coffee at first until I upped the dosage. Depending on the coffee, my usual range for a 12 oz brew is 25.7 g to 27.3 g. Time-wise I'm usually in the "C" range, but occasionally venture into "B" or "E". I recently helped a buddy set up his new Trifecta and just went with 26.3 g from a Baratza Virtuoso set at 24. The first cup blew him away. The first cup from mine a couple of years ago with their recommend amount (something like 24g) and it too was bitter. I kept increasing the amount until I hit the sweet spot and all was good after that. Every new coffee needs some tweaking, but most I've brewed, fall within that range. Once you find the correct dosage you will be able to consistently get the same great-tasting cups from the same coffee. Hope this helps and please continue to ask questions. Take care!

 
The pathologically precise are annoying, but right!
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