Question about Miele CVA4070 Coffee Maker

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My machine has started brewing watery coffee - I have tried adjusting the grind settings and done a complete clean of the machine. Any suggestions?

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  • gpyfrom Oct 07, 2010

    It is definitely a miele cva 4070. I appreciate your help

  • gpyfrom Oct 07, 2010

    Tim,

    The grounds in the waste dispenser are also watery - i.e. they are not the more solid blocks that they are when the machine is working properly - also much less in quantity - the grounds are basically swimming around in water - so maybe we are onto something......

  • gpyfrom Oct 07, 2010

    Machine is about 3 years old - and not over-used - so would not have expected any issues. Unfortunately, (at least for these purposes) we live on an Island in The Bahamas - so there are no options for service - which is why we have solved most problems ourselves. Also had some of the typical brew unit error messages etc over the years.

    What is your suggestion here? I will take a look at the tamper and see if I can see anything physically wrong......

  • gpyfrom Oct 07, 2010

    Tim - thank you - I will follow your advice. I appreciate your help.

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Watery coffee, hmm that is a strange one. Please confirm that this is a Miele CVA4070 unit?

Let me know and I can definitely help!

Thanks
Tim

Posted on Oct 07, 2010

  • 2 more comments 
  • Tim Grayson
    Tim Grayson Oct 07, 2010

    That is very strange indeed this is a very high end system. When it kicks out the grounds after brewing, does it look like the regular amount of grounds? Either it's not grinding enough beans or somehow the water is leaking around the brewing process and just going out the dispenser without going through the coffee... that's pretty much the only two possibilities. So when it's done brewing, check how many grounds it dispenses, does it look like the regular amount??

    Thanks
    Tim

  • Tim Grayson
    Tim Grayson Oct 07, 2010

    Ah hah, ok it then sounds like the tamping unit in this device may not be functioning correctly, or something is wrong in the actual dispenser system there that is not allowing the water to flow out rapidly enough. The more that I think about it, I think it has to be the tamper... There is a little plate that should compress down on the grounds to get them compressed and hold them there as it forces the water through the grounds. This is definitely the problem, one of these two possibilities. These units are usually very reliable at least for quite a few years before needing service. How old is this machine?

    Thanks
    Tim

  • Tim Grayson
    Tim Grayson Oct 07, 2010

    Oh wow that definitely complicates things, but how nice that must be to live there! :) Definitely take a look in there and see if it seems stuck... You may want to call Miele directly to see if they have any idea what exact part could be causing this issue as far as if it's a spring, or lever or what it could be, and if you could get the part from there. If anything ask to talk to a supervisor so you can get some higher level help, what they'd call Tier 2 tech support... someone that could walk you through exactly what you are looking at over the phone and help you get the part. (800) 999-1360 if you want to try.

    I am still researching this, have fixed CVA models before but not this exact one, but I am sure the problems lies in the actual tamping process, hopefully you can spot something obvious like grounds in there holding it up...

    Thanks
    Tim

  • Tim Grayson
    Tim Grayson Oct 07, 2010

    My pleasure, keep me updated here... if for some reason they can't help you at that number let me know. Also I always like to have the most recent comment on here... if I don't and wait 2-3 hours it could close me out of the problem, so please post only if you have an update and I will definitely get right back to you.

    Thanks!
    Tim

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