Question about Miele 24 in. G870 Built-in Dishwasher

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Miele G868 dishwasher - leaks from front panel air vent

I have a Miele G868 dishwasher, S/N 17786510,  which leaks water on the floor from the air vent on the top left of the door, located right above where the "Turbothermic" label is after all the cycles are complete and we open the door to unload the machine.  We lower the door to a horizontal position and several ounces of water leaks out the vent onto the floor.
It only started doing this recently, after many years of otherwise near flawless service.  Any ideas what to investigate or someone had prior experience with this malfunction?

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  • maxmed Jun 26, 2008

    We have the identical problem with our Miele G870 (installed 1997). Have tried drastically cutting back on the amount of detergent used, but that hasn't helped. Also removed and cleaned the white round vent on the left inside of the door.
    Di J.


  • slrobi Aug 10, 2008

    We've had the same problem with the G870 dishwasher.  It leaks water from the vent on the top left side of the door, when we lower the door to unload the dishwasher.   We've also tried using less soap, and have tried to clean out the vent, although, we still have the problem. 

  • Anonymous Nov 07, 2008

    I tried taking the door apart and cleaning out the hose.

    The top left end of the hose came out easily and it was apparent that
    there was blockage. However, when I tried to remove the bottom right
    part of the hose, it did not slip off easily and cracked the connection.

    So close to a solution - and so far!

    Di J.

  • higgo888 Jan 24, 2014

    Leaking from vent when door opened usually means drain tube from bottom of air vent assembly is blocked.

  • higgo888 Jan 24, 2014

    Water leak from vent fan upon fullt opening door usually means blocked drain tube from bottom of vent fan assembly. Try a vaccuum cleaner first successfully

  • higgo888 Jan 25, 2014

    oops rest of storty.... 1) cut 2 squares of plastic film and tape 1 over internal opening to vent . 2) cut hole in 2nd piece plastic to fit vacuum suction tube. hold vacuum suction and plastic against external opening of vent fan. Let vacuum run for a minute or so (tape plastic to tube / external vent if necessary). Worked fine for me.

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Hi all,

I have had the same problem. Here is what I've done. Take the door apart (a whole bunch of screws on the side of the door). The front panel will come off and you will see a rubber tube. Take it off and blow it out. Then take the blower out (you need to unscrew the inside of the blower). Take apart the blower and clean it out.

Good luck.

Posted on Oct 15, 2008

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You have the Miele problem.

This happens every year or two. Take off the outside front panel to access the hose that runs from the bottom of the fan down to the dispenser, and lets the water drain out through it to the interior. Clean out that hose as well as you can. Replace. This is a stupid problem that Miele should have a permanent fix for. Grrrr.
In fact I just did this with mine today. The hose cleans out quickly, the problem is getting the front back on. 4 hands make it easier. It slips on when you start close to vertical, then slip in in and down. For putting the screws back in, you might have to use a micro screwdriver to re-align the little clips on the door panel. (You will see what I mean when you do it!) This costs a service call ($100, give or take) to call for service. It can be done at home with no added parts. I think it applies to all Miele dishwashers, and I have now done it several times. As I said before, this is a design fault and should not be necessary!

If you have a helper to help contain the mess, you can spray water into the fan area (best is backward through the hose, but try all directions) and catch the runoff. We have done this and it catches a lot of gunk.muck and slop.

Doggone design sucks on an otherwise nice machine!!

Posted on Oct 16, 2013

  • 4 more comments 
  • Benny
    Benny Jul 27, 2014

    We removed the front door panel and found nothing but another panel! We have a g868 but it is almost 18 years old, so perhaps ithe one you have is newer?

  •  vpsoccer
    vpsoccer Jul 27, 2014

    Mine is circa 1998 so I am not sure. Take a look and maybe you can find another way to access this drain (running from the fan down to the soap dispenser, but from the front of the machine)?

  •  vpsoccer
    vpsoccer Jul 27, 2014

    This is such a stupid design problem you would expect Miele to have found some kind of replacement kit or other permanent fix.

  • Benny
    Benny Jul 28, 2014

    Thank you for replying. Our only other option is to take the door apart from inside the machine. This seems like a bigger undertaking, but might be worth doing before spending the money on a service call. I will let you know if we have any success.

  •  vpsoccer
    vpsoccer Jul 28, 2014

    Note that while it is not in my original response, you do take the front (outer) panel -- the plexiglas or whatever -- off by removing the screws that are on the inside.

  •  vpsoccer
    vpsoccer Jul 28, 2014

    You lower the door and work from that side. Otherwise, note that many professionals, and landlords with dishwashers in units, suggest that 15 years is about the service life of a family dishwasher. Of course we all expect more from Miele!

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We had this problem and had to replace the door fan assembly which was frozen. The part is very expensive and I wonder whether Miele parts are available other than from Miele.

Posted on Nov 20, 2009

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