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My Isomac Giada is dripping and loosing pressure
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Discussions > Espresso > Machines > My Isomac Giada...  
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gotlisch
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Joined: 13 Jul 2013
Posts: 3
Location: London
Expertise: Just starting

Posted Sat Jul 13, 2013, 3:47pm
Subject: My Isomac Giada is dripping and loosing pressure
 

hi there, got an Isomac Giada which I've had for a good 7 years now without so much as a single problem. Recently however the machine started dripping just before it reaches the right temperature but more frustratingly when I switch it on it seems to struggle to press the water through. The pressure goes up really high and the releases so the pressure gauge is constant;y going up and down resulting in a very uneven flow of coffee. I'm pretty sure it's not lime scale as I clean it regularly and the pressure issue occurred at the same time as the dripping so it seems to be related.

Any ideas what the issue might be, read some where that the dripping might be due to the "mushroom valve" but not sure if that would explain the pressure issue?

I've included a link to a video that shows the issue: https://www.youtube.com/watch?v=CaqQSqo9wDM&feature=youtube_gdata_player


Cheers,
Mikael
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,468
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 Sun Jul 14, 2013, 11:25am
Subject: Re: My Isomac Giada is dripping and loosing pressure
 

Where is the leak?
The pressure issue may be a bad OPV or the valve that regulates the pressure when brewing.

 
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Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

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gotlisch
Senior Member


Joined: 13 Jul 2013
Posts: 3
Location: London
Expertise: Just starting

Posted Mon Jul 15, 2013, 4:43am
Subject: Re: My Isomac Giada is dripping and loosing pressure
 

It's not a leak as such, coffee starts to drip out before I switch on the pump. The dripping starts seconds before the machine reaches optimal temperature.

Mikael
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gotlisch
Senior Member


Joined: 13 Jul 2013
Posts: 3
Location: London
Expertise: Just starting

Posted Mon Jul 15, 2013, 12:19pm
Subject: Re: My Isomac Giada is dripping and loosing pressure
 

It's not a leak as such is coffee that starts to drip out just before and after the machine reaches it's optimal temp.
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