Question about Dualit 84024 Espresso Machine

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Espresso Flow Problems

I have been using my Dualit espresso machine for about 6 months now and it has been working great till about 3 weeks ago. The espresso machine has little flow through the basket. I have tried the vinegar trick and the professional cleaning solution. The strange thing involved is that the pump seems to have gone bad. The flow starts out strong as usual then the machine gets quieter and the flow slows for a few seconds. Then back to a good flow and then slows. I am using pre-ground Illy espresso and up until now I haven't had a problem with it. Where would be the best place to take the machine? Any help would greatly be appreciated.

Thanks from Lexington, KY

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  • Browndog1 Dec 19, 2007

    The problem with my espresso head is the coffee does not pump through the first time, I have to get it to pump through again. Then it only drips through. I have tried everything to resolve the problem, maybe the pumps gone? I dont know anymore. Can anyone help?

  • 20Pence Jan 22, 2008

    I found out what the problem was. Basically all the oils from the coffee stopped up the pump, but I had no idea that I had to actually take apart the machine to clean it. With the espresso basket removed take a phillips head screwdriver remove the disk under the brew head. This disk was extremely clogged, I took an old toothbrush to it and some hot water ( a needle might work too), and scrubbed it till light shined through. After that the machine worked great. Google this and the first link has step by step instructions.

    Cleaning Techniques from Master Barista David
    Schomer

    Hope this helps.

  • Anonymous Sep 03, 2008

    Yes - exactly my problem also and this solved it! Thanks!

    Small additions to post - here are very specific instructions (originally for my son who has a similar machine):-

    In addition to the metal filter in the coffee holder there is one above it in the machine, held in by a single central Philips/Pozidrive screw - see picture below. The handbook just says wipe this but in fact it can get clogged with coffee somehow and you can easily remove it for cleaning - just take loose bits and water tank out of the machine, tip it back and unscrew the one Philips screw and remove it, the then loose filter is just the metal filter plate itself without any surrounding plastic. Having wire-brushed this until one can see through the holes and cleaned out the space behind with a small screwdriver and washing up brush the flow is dramatically increased and the leakage through the steam exit gone!

    (no picture here but OK without it)

    I assume that this problem would not arise if you used cartridges rather than loose coffee.


  • willstewart Sep 03, 2008

    I had the exact same problem and this solved it, thanks!

    FWIW I append detailed instructions written for my son who has a similar machine (sorry no picture!)

    In addition to the metal filter in the coffee holder there is one above it in the machine, held in by a single central Philips/Pozidrive screw - see picture below. The handbook just says wipe this but in fact it can get clogged with coffee somehow and you can easily remove it for cleaning - just take loose bits and water tank out of the machine, tip it back and unscrew the one Philips screw and remove it, the then loose filter is just the metal filter plate itself without any surrounding plastic. Having wire-brushed this until one can see through the holes and cleaned out the space behind with a small screwdriver and washing up brush the flow is dramatically increased and the leakage through the steam exit gone! Descaling did not help.



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You can also get cleaning products to remove Coffee Oil buid up from: www.urnex.com or Dezcal. Descaling will not help this problem.
Take the brew head screen along with the filter basket and soak.
A coffee shop willl typically clean the brew head screen every night.

Posted on Jun 05, 2008

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Thanks a lot 20pence! - i removed the disc as described, cleaned it and this solved the coffee flow problem - I also had a problem with hot water coming down the steam pipe even when the valve was closed - presumably the disc was so clogged, the water was forced back down there. After cleaning the disc this does not happen - thanks again - good advice

Posted on Mar 22, 2008

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