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Delonghi Magnifica esam 4000B - Boiler not getting hot
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swampcat
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Joined: 25 Nov 2013
Posts: 3
Location: worldwide
Expertise: I live coffee

Posted Tue Nov 26, 2013, 12:15am
Subject: Delonghi Magnifica esam 4000B - Boiler not getting hot
 

Hi,

Longtime forum lurker, but now need a bit techincal advice.
I have a Delonghi Magnifica esam 4000B.

Mechanically it all works. I've taken it apart to check & clean every bit just in case.
But finally found out it's not heating up the water and ending up in a General Error.


Problem description: Giving a General Error.

Analysis: boiler not getting hot. Voltage measured at the boiler is 0.2-0.7 volt (after and before the NTC resistors)

Anybody can give me a hint what could be the cause of the problem?
Just want to know the cause of the problems.
An link or pointer to a repair manual would also be welcome.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,947
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 Nov 26, 2013, 6:00am
Subject: Re: Delonghi Magnifica esam 4000B - Boiler not getting hot
 

Welcome out of the shadows!

I wish you luck in the repair. For many reasons most here are not very fond of Super Automatic machines and few of us have been inside them. We do have some pro repair people here though and perhaps one of them can help.

A general line of advice is to check all connections to make sure they are clean and tight. I don't know if that machine has an over temp safety switch but most semiauto machines do. Often it has a reset button in the center and pressing it can reset the safety. Some have replaceable fuses that you need to buy a new one when the unit fails. Sometimes it can be the electronics, this is always an issue and the more electronics you have the more likely it is that they will fail. Many times, the cost of the replacement parts render the machine disposable when it comes to repair.
YMMV!

 
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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swampcat
Senior Member


Joined: 25 Nov 2013
Posts: 3
Location: worldwide
Expertise: I live coffee

Posted Tue Nov 26, 2013, 2:45pm
Subject: Re: Delonghi Magnifica esam 4000B - Boiler not getting hot
 

Thanks for the welcome.

Well I'm still an avid user of the traditions espresso cooker with a 'grandma's' hand grinder.

This AIO machine, it was just one used for 'short of time' moment to fullfill my so needed caffeine shot.


I'm quite handy with electronics, but not with espresso machines.
And simply said I cannot stand it can't find the cause.
At least it's now totally clean from the inside.

Have been looking for a repair manual, but that seems to be heavily protected by Delonghi.
The circuit itself is quite basic, so replacing parts won't be a dealbreaker....If I know where to look  for.

And as you guessed, I agree it probably has something to do with the electronics.
The mechanical parts work just fine. Hopefully somebody could give me some details.
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