Question about Dualit Espresso 889 Espresso & Coffee Maker

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Dualit expresso 889 - faulty pump??

My machine is now about 9 years old and has only been used infrequently. Recently the pump seems to be faulty as will initially start to pump water through the coffee with usual noise but then stop and hum after about 15 secs with no further water being passed. Is it a pump problem or a build up of pressure due to blockage of the sieve?

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  • siminaus Feb 21, 2009

    My problem is very similar I think. Had the machine for about the same amount of time - infrequent use. Makes the normal buzz sound, then calms down to a hum after a second or two. I'm making a coffee now and have comfortably been able to write this in the time it's putting out a normal shot's worth.

    Presume the pump's blown it! The forthing's also lost a bit of 'oomph' :(

    Any parts out there?


  • siminaus Feb 21, 2009

    Just realised that the pump can't be 'blown' because I do still get some output (however slow). Have gone at the sieve with a pin and cleaned all round, and taken apart - same slow dripping - so maybe it's a blockage more at the water end..

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Actually solved this myself today. It actually was a buildup of scale as I tried a standard descaling sachet, followed the instructions and once enough scale had come out it burst back into life!!!

If you get 'any' flow at all the pump's fine so it just needs a really good cleanout - even if (like me) you think your local water doesn't tend to scale up your kettle.

Posted on Mar 02, 2009

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I had a similar problem with my machine but discovered it was due to a build up of scale in the internal pipes which couldn't be shifted by normal de-scaling - solution was to dismantle and clean plastic pipes manually.

Posted on Mar 02, 2009

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