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BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
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Discussions > Espresso > Machines > BEZZERA...  
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Dango
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Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 9:41am
Subject: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

HELLO COFFEE GEEKERS,

its been a while since I posted here on CG. I bought my Bezzera BZ02 about 10 years ago. its been great thanks to all the knowledge I acquired through CG.

However I am experiencing my first issue. sounds like the pump?? isn't working. I have attached a quick video of the part that is making a very different sound than usual.

pressure does build up but water comes out but not very strongly and just seems to want to keep running without ending its cycle...
and steam seems to work.

Any ideas............I will be available to monitor this post to answer any questions. I have the machine on and sides and back panels off.

 2qvlIKJs.htm
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Dango
Senior Member


Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 9:53am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

try this





https://dl.dropboxusercontent.com/s /y1eopy84qvma1us/IMG0134%20%281%29. mp4?token_hash=AAHvkGGcrPCdwKjH2gGi qgPdh2bPL1iqBr76ytGHFA7tGQ&dl=1
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Dango
Senior Member


Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 10:00am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

or this....SORRY


Dropbox: http://tinyurl.com/bnshzb3
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CraigA
Moderator
CraigA
Joined: 19 Dec 2001
Posts: 11,176
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Tue Apr 16, 2013, 10:07am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

Darin, do you have the water pickup tube IN a tank or some water?, it appears there that you don't & the pump is dry while running.

If you don't & you continue to run the Ulka vibe pump dry like that, you'll burn it out in short order..

 
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Excellent coffee doesn't just happen!
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Dango
Senior Member


Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 10:10am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

yes plenty of water. I checked water feed tubes.
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CraigA
Moderator
CraigA
Joined: 19 Dec 2001
Posts: 11,176
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Tue Apr 16, 2013, 10:12am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

The tube on the left is the pickup tube. I see no water being pulled into the tube (a couple of spurting bubbles).

The pump has an airlock & cannot pull/draw the water uphill. If you have a clean turkey baster, fill it with water & hold the pickup tube above the level of the pump to assist in priming the pump with water.

If you don't have one, try a small Pyrex measuring cup to fill the tube with water while holding it up vertically. This will work as I've done it before.
In several seconds the pump should pull the water inside & be primed. If not, you can blow into the end of the tube to slightly pressure assist priming the pump faster.
You can now put the tube back inside the water tank & any slight air bubble/s will or should be quickly evacuated.

Don't let the tube or pump run out of water as you'll have to do it all over again.

 
http://twitter.com/CoffeegeekCraig
http://www.facebook.com/craig.andrews.169

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Dango
Senior Member


Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 10:13am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

airlock makes sense. how can I clear that??
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CraigA
Moderator
CraigA
Joined: 19 Dec 2001
Posts: 11,176
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Tue Apr 16, 2013, 10:15am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

Please give me time to respond lol! {;-)

See above please, & for added info.

 
http://twitter.com/CoffeegeekCraig
http://www.facebook.com/craig.andrews.169

Excellent coffee doesn't just happen!
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Dango
Senior Member


Joined: 14 Mar 2006
Posts: 78
Location: Boston
Expertise: I love coffee

Espresso: Bezzera BZ02-DE
Grinder: Ranccillio Rocky
Posted Tue Apr 16, 2013, 10:18am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

Ill try that. thanks craig.

ill get back to you. appreciate your time.
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CraigA
Moderator
CraigA
Joined: 19 Dec 2001
Posts: 11,176
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Tue Apr 16, 2013, 10:22am
Subject: Re: BEZZERA BZ02.......NEED HELP DIAGNOSING MY PROBLEM
 

Anytime Darin,

What I'm here for! ;)

I've added more to my post above also.

 
http://twitter.com/CoffeegeekCraig
http://www.facebook.com/craig.andrews.169

Excellent coffee doesn't just happen!
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