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Pasquini Livia 90 Dead - Help
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bobcatma
Senior Member


Joined: 22 Dec 2013
Posts: 7
Location: Alameda, Ca
Expertise: I love coffee

Espresso: Livia 90
Posted Sun Dec 22, 2013, 8:46pm
Subject: Pasquini Livia 90 Dead - Help
 

My Pasquini Livia 90 stopped working. When it is switched on only the small power light in the rocker switch comes on, no relays clicking, pump going, heater light,  etc., even momentarily. This behavior is different than when the water level is low.


So far I've checked the following:

*Water reservoir level wire is connected properly
*Removed, inspected & cleaned (if necessary) most accessible connections including those to CPU and Safety Relay, Thermatic Safety Device (on pump), PStat
*Bench tested Safety relay
*Verified that rocker switches are working

I'm presuming it is likely the "CPU".

Any advice on something else I should check?
Is there a way to check the Thermatic Safety Device?

Thanks
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calblacksmith
Moderator
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 Mon Dec 23, 2013, 8:19pm
Subject: Re: Pasquini Livia 90 Dead - Help
 

Have you checked the over temp safety on the boiler? There should be a button like device with a red pin or button in the center. Press it in, if it clicks, it was tripped. It will turn off all power to the boiler. Nothing to do with the pump though.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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bobcatma
Senior Member


Joined: 22 Dec 2013
Posts: 7
Location: Alameda, Ca
Expertise: I love coffee

Espresso: Livia 90
Posted Mon Dec 23, 2013, 10:56pm
Subject: Re: Pasquini Livia 90 Dead - Help
 

Wayne - Thanks for the response.

It doesn't seem to have the temp safety on the bottom of the boiler. This is an older Livia 90 - could the temp safety be located elsewhere on the older ones?  Don't see one.

Thanks
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kize
Senior Member


Joined: 23 Aug 2011
Posts: 10
Location: Northwest
Expertise: I love coffee

Posted Mon Dec 23, 2013, 11:31pm
Subject: Re: Pasquini Livia 90 Dead - Help
 

No over temp safety on the Livia 90- or at least the one I used to own. Did you check for voltage with a meter at the relay and/or CPU ? Is your machine a semi-auto or auto ?
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bobcatma
Senior Member


Joined: 22 Dec 2013
Posts: 7
Location: Alameda, Ca
Expertise: I love coffee

Espresso: Livia 90
Posted Mon Dec 23, 2013, 11:58pm
Subject: Re: Pasquini Livia 90 Dead - Help
 

Unit is semi Auto - Has the Giemme RL3 Cpu/level controller.  I believe I had voltage at the controller when I first started troubleshooting a while back.

I'll recheck if I have voltage at the controller, & if OK so bench test the controller.

Any advice? I think I can at least check if the 115 to 18 V transformer is toast and if the relays are working.

Thanks
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calblacksmith
Moderator
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 Tue Dec 24, 2013, 12:02am
Subject: Re: Pasquini Livia 90 Dead - Help
 

Hi, it is on the TOP of the boiler, normally next to the vacuum breaker if your machine has either or both devices.

I have not been inside that machine and would have to look up the parts for sure. That said though, most machines have a resetable over temp safety. SOMETIMES, it is not user resetable and needs to be replaced when it fails.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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calblacksmith
Moderator
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 Tue Dec 24, 2013, 12:05am
Subject: Re: Pasquini Livia 90 Dead - Help
 

See if you have something that looks like this.
Click Here (www.pasquini.com)
The button in the center is the reset. It is pretty small those huge ears on either side of the button is where the wires attach to, for scale.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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bobcatma
Senior Member


Joined: 22 Dec 2013
Posts: 7
Location: Alameda, Ca
Expertise: I love coffee

Espresso: Livia 90
Posted Tue Dec 24, 2013, 1:00am
Subject: Re: Pasquini Livia 90 Dead - Help
 

I didn't see any such limit switch - (also that switch is not listed as a part for the livia 90 on the pasquini  or other sites). Top of the boiler has 2 level probes, vac breaker and mechanical relief.

I do have power (checked continuity from plug with power switch on) to the Giemme Controller. Also pstat contacts are closed which I believe is correct when "cold"

Thanks for your help
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calblacksmith
Moderator
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 Tue Dec 24, 2013, 1:34am
Subject: Re: Pasquini Livia 90 Dead - Help
 

It may not be on your machine. Sorry.

The Pstat should be calling for heat, so yes contacts closed.

From here, it is good old trouble shooting work. Sometimes machines have a resetable over temp safety like I said and a high percentage of the time that people are having no heating issues is that the safety has been tripped and a simple reset of the button does the trick. Sadly in your case that did not happen.

It is possible it is the control box. Sorry  I could not be of more help, checking your way through the machine from point to point is likely the thing that needs to happen now.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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bobcatma
Senior Member


Joined: 22 Dec 2013
Posts: 7
Location: Alameda, Ca
Expertise: I love coffee

Espresso: Livia 90
Posted Tue Dec 24, 2013, 1:37am
Subject: Re: Pasquini Livia 90 Dead - Help
 

wayne - thanks for your help
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