Question about Krups Coffee Makers & Espresso Machines

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Krups EA8250 starts up, but preheats only for a second and thinks it is pre-heated. It will run through a full brew cycle, but cold, watery espresso comes out since it's not using hot water.

Initially, I could get the machine to heat for steam, then brew espresso, but that is not working now. I have the machine apart and would like to know how to troubleshoot whether the problem is the controller or the thermoblock. It looks like the thermostat is built into the thermoblock with no way to replace it separately.

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  • Krups Master
  • 1,344 Answers

If the thermoblock itself is the problem then I'd expect to read the element as open circuit because that's the only electrical part it has. The NTC that reads the temp is glued on with a special heat resistant glue, possibily it could be unstuck. The NTC's did suffer from solder failure where the wire terminal is. The NTC is only available as a new part complete with the thermoblock.

Posted on Nov 23, 2018

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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ronaldsuboc
  • 449 Answers

SOURCE: Cleaned brew unit, then reinserted

hi!!
maybe you check the pump
and clean
or may a replacement

Posted on Sep 24, 2008

  • 1 Answer

SOURCE: Delonghi EC 155 general help

You don't have to wait 15 mins. just a few minutes, then run some hot water to warm up the portafilter and dry it up, fill it up with coffee and when you get the gree light again, make your espresso . You will have to have a good fine coffee and make sure to pack the coffee really good and don't leave any around the edges , so could make a good seal. If you have steam coming out of the machine , is maybe to hot and is ready to brew . Cool down the machine after use, run water through it and let the steam out of the nozzle.

Posted on Feb 06, 2009

  • 22 Answers

SOURCE: Krups model KM7005 water wont heat

Mine had the same problem ... all the lights are on, but no heating on the plate, and no dripping of water.

After a weekend on the workbench, I've mastered this machine. The KM7005 has 2 x MicroTemp G4 thermal cutoff (TCO) fuses which interrupt the Live line, for overheat protection. Mine didn't overheat per se, but the TCO blew anyway. Not reset-able ... need to be replaced with a soldering iron. I'll be happy to advise you to fix this, or fix it for you. Write me at KM7005@flightsystems.biz.

Posted on Oct 19, 2009

  • 1089 Answers

SOURCE: My espresso machine doesn't heat

Hi
If it heats with the steam switch, its your brew thermostat. If it doesn't, its your heating element.

Posted on May 22, 2011

SOURCE: Recently my Krups 4050 espresso machine starting b...

It needs a new flow meter. I replaced the one in mine and now it works fine. I took the old one apart and the little magnet inside is a ferrite magnet which rusts over time when it comes in contact with water ( duh). If the new one does this I am going to just replace the little magnet with a rare-earth magnet which will cost about $1 or less and shouldn't rust out. I am wondering if the company changed the magnet in the new flow meter so this doesn't happen or if planned obsellesants, just last long enough to get it out of warranty, is the company's motto. The new flow meter was around $30 when the added the $9 for shipping.

Posted on Nov 19, 2011

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1 Answer

What are the instructions for preheat after turning our bunn coffee maker off over night - there is not off switch, plug in only


* Bunn model # for specific solutions.
* Most Pro/Office models have a pre-heated tank.
* Most models (Without Vacation or heater switch) will be heated all the time.
* Care must be taken to keep the inner tank filled.
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Aloha, ukeboy57

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