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Rancilio Classe 8 E04 Error
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tsruhnke
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Joined: 20 May 2012
Posts: 19
Location: Des Moines
Expertise: Pro Barista

Posted Tue Apr 29, 2014, 10:20am
Subject: Rancilio Classe 8 E04 Error
 

I have done a lot of research online and even called Rancilio, all with no luck on any information whatsoever on the error I am receiving. (They just told me it is not the system board that is the problem)

I just got done descaling my machine, got it all up and running. All was well. After a while however my TSC steam wand quit reading the temperature of the milk.
After messing around with things (including the circuit board connections) trying to get it to register the temp, I caused an even worse issue. The machine now flashes Out Of Order E04 Probe Open message and the machine will not even heat as it cannot sense the boiler temp. It says machine not ready for a couple of seconds, then shows the time etc as if it were ready, but after pushing any buttons, the error flashes. I know I disconnected the boiler probe wire from the circuit board, but I cant see how that would cause it to stop working all together after hooking everything back up.

I'm not sure if there is some kind of master reset for the machine that isnt listed in the technical or owners manual?

Been fiddling with it off and on for weeks, frustrated, so any help would be greatly appreciated!

Tim

tsruhnke: rancilio-classe-8-4_4e090da8a6b72.jpg
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,672
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 Apr 29, 2014, 1:17pm
Subject: Re: Rancilio Classe 8 E04 Error
 

Good luck, when it comes to the computers inside these machines, the manufacturer is the first stop. They should have the manuals and guides to repair the machine but may not want to let the information out of their fingers, IDK.

Perhaps the probe wire is shorting out somplace? a bad connection? A broken wire at the connector?

 
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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tsruhnke
Senior Member


Joined: 20 May 2012
Posts: 19
Location: Des Moines
Expertise: Pro Barista

Posted Tue Apr 29, 2014, 1:43pm
Subject: Re: Rancilio Classe 8 E04 Error
 

I have checked all of the wires and connections very closely and have found nothing wrong with them. Because it was working before i disconnected the wire i'm sure the probe is fine. It just stopped sensing or reading the probe for the boiler and the TSC wand.

They definitely did not seem eager to help other than forward me the generic documents that can be found online and point me to a service technician in my area.
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tsruhnke
Senior Member


Joined: 20 May 2012
Posts: 19
Location: Des Moines
Expertise: Pro Barista

Posted Tue Apr 29, 2014, 2:04pm
Subject: Re: Rancilio Classe 8 E04 Error
 

I spoke with Rancilio again (who will not allow their reps to speak with an end user). They said the probe is not being read and should be replaced.
I will give this a try by purchasing a new probe. Update to come. Still going to have the issue of the TSC wand not reading temperature.
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stefano65
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stefano65
Joined: 30 Oct 2004
Posts: 1,403
Location: Eugene OR
Expertise: Professional

Espresso: Vibiemme,Elektra,
Grinder: Vario,Macap,
Vac Pot: not
Drip: not
Roaster: not
Posted Tue Apr 29, 2014, 3:09pm
Subject: Re: Rancilio Classe 8 E04 Error
 

I will say that 99% could be a sensor/probe that when bad or is not connected properly
cheap to replace the even thinking about the motherboard

 
Stefano Cremonesi
info@espressocare.com
www.espressocare.com
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tsruhnke
Senior Member


Joined: 20 May 2012
Posts: 19
Location: Des Moines
Expertise: Pro Barista

Posted Thu May 8, 2014, 11:40am
Subject: Re: Rancilio Classe 8 E04 Error
 

The new probe arrived today, I hooked everything up and still no luck. :/

Any further recommendations?
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tsruhnke
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Joined: 20 May 2012
Posts: 19
Location: Des Moines
Expertise: Pro Barista

Posted Tue May 13, 2014, 3:15pm
Subject: Re: Rancilio Classe 8 E04 Error
 

I also noticed that in the boiler probe calibration settings, it is constantly reading 1.9 bars as the reading. I'm guessing this isnt a real measure, but rather the max measurable and something is stuck reading that high?
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