Thread Number: 73181  /  Tag: Modern Dishwashers
Miele Dishwasher slow leak
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Post# 966660   11/7/2017 at 17:24 (349 days old) by nmassman44 (Boston North Shore Massachusetts)        

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Looks like my Miele LaPerla dishwasher has developed the dreaded slow leak at the water valve. I know some one else here had that same issue as well some time ago. I also had an error pop up a couple of months ago where it said Fatal Error in the Electronic Control. I went to shut the dishwasher off and the dishwasher restarted itself and sounded the alarm. I unplugged the dishwasher and plugged it back in and it has been working.
Also the racks have been rusting away in this machine in places I never thought would rust. So much for a 20 year machine...its only 10 years old and I am not looking forward to getting fleeced by Miele if I get it fixed.
I have been looking at the LG dishwashers and there are some good sales on right now.

Post# 966662 , Reply# 1   11/7/2017 at 17:48 (349 days old) by NeptuneGuy27 (Baltimore,MD)        
I know exactly how you feel...

My Miele LaPerla II only made it 6 years (broke down twice in that time period) before it had a fatal error in the electronics. Miele wanted $1,000.00 for a new control board + labor. They were kind enough to offer a waiver of the $150 Trip and Diagnostic fee. I just as kindly told them no, I'll buy a new dishwasher and it wouldn't be a Miele.

Post# 966670 , Reply# 2   11/7/2017 at 18:32 (349 days old) by nmassman44 (Boston North Shore Massachusetts)        

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Thatís what I think as well. For the price that they charge I can get a new dishwasher for less than what they charge. Itís almost 10 years old now so I am not surprised by the failure. But, I did expect it to last a tad longer since I paid enough for it.

Post# 966671 , Reply# 3   11/7/2017 at 18:39 (349 days old) by NeptuneGuy27 (Baltimore,MD)        
I think their longevity...

Leaves a lot to be desired. And I noticed that the last time I looked through their website they seem not mention that 20 year life span any more. A shame for what you spend for them.

Post# 966685 , Reply# 4   11/7/2017 at 19:24 (349 days old) by appnut (TX)        

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Mike, I'd check with Mayken4now about LG dishwashers. 

Post# 966871 , Reply# 5   11/8/2017 at 17:08 (348 days old) by RichNZ (New Zealand)        
Tell me more please

I have repaired a few Miele dishwashers.
Which valve in particular is leaking?

If its the diverter valve in the circulation pump? (Which switches between the upper and lower spray arms)

Post# 966903 , Reply# 6   11/8/2017 at 19:31 (348 days old) by nmassman44 (Boston North Shore Massachusetts)        

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Itís the water inlet valve that fits right on the pipe. There is a slow trickle that comes from it and if I donít use the dishwasher for a few days, the sump is filled with water, up and over the screen top. This is the valve connected to the hose that feeds the dishwasher. Also the drain pump has been noisy like it has marbles in it...and I donít mean the check valve ball. I know what that sounds like. The dishwasher is just limping along with the electronic control right now.

Post# 967112 , Reply# 7   11/10/2017 at 00:22 (347 days old) by fisherpaykel (BC Canada)        

I would be very leery of an LG dishwasher. Friend had one in condo they bought, he repaired it 3 times before tossing it. Then the house they bought came with all LG kitchen, same recurring breakdown happened with this one, knowing the problem he repaired it once, then it broke down again-within 1 year- so he tossed it for a GE which has been fine for three years so far. I have not had a breakdown with my Fisher & Paykel for 10 plus years,connected to a plug in surge suppressor and a switched outlet, only on when running DW. I have soft water-no rust-so am surprised and disappointed your Miele has rust starting on racks.

Post# 967153 , Reply# 8   11/10/2017 at 11:01 (346 days old) by nmassman44 (Boston North Shore Massachusetts)        

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I did buy a new machine on Wednesday. I didn't spend $2K on it like I did with the Miele. I won't do that again. Miele is no longer very customer friendly anymore. I found that out when I was calling about the racks and for service on the Electronic Control replacement. I refuse to pay $1K for just the control and another $400+ just to have the water valve replaced, which I was told would entail taking the dishwasher apart since you would think it would be easy...but no.
So now the dishwasher sits in my living room waiting for Sears to come and take it away when they deliver the new one. I did buy an LG dishwasher in stainless. It has the Quad Wash system and the racks are enormous. I know what people are saying that you shouldn't buy an LG dishwasher, but this is a new design/animal altogether. I figured I liked what I read about it and it got good ratings as well.

Post# 967175 , Reply# 9   11/10/2017 at 14:19 (346 days old) by jkbff (Happy Rock, ND)        

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Wow.. so did you deal with a dealer that is self servicing or just miele corporate?

That Part is $140 for the waterproof system, 10656630.

You take the dishwasher out, take the TWO screws holding the drain pan off, un hook the wiring harness, the 3/8" compression fitting and the clamp holding the hose and replace the assembly. They estimate a 45 minute repair after uninstalling the dishwasher.

We would have charged 140 + 75 for labor, with tax you are looking at $224.10.

AS a self servicing miele dealer that does a lot of volume.

Post# 967176 , Reply# 10   11/10/2017 at 14:21 (346 days old) by jkbff (Happy Rock, ND)        

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If you are going to just let them throw the dishwasher away, would you let me find a shipper and let me take it off your hands?

Post# 967188 , Reply# 11   11/10/2017 at 16:58 (346 days old) by nmassman44 (Boston North Shore Massachusetts)        

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Itís already gone.

Post# 967889 , Reply# 12   11/14/2017 at 08:50 (342 days old) by drhardee ( Columbia, SC)        

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Huh, so that's what was wrong with my 2005 Premiere Plus Miele DW.

>>It’s the water inlet valve that fits right on the pipe. There is a slow trickle that comes from it and if I don’t use the dishwasher for a few days, the sump is filled with water, up and over the screen top. This is the valve connected to the hose that feeds the dishwasher.<<

My service /company guy, not Miele authorized, but had "taken a stab at quite a few of 'em", never could figure out why my DW would mysteriously fill itself with water after a few hours (in my case) of sitting idle. It was always clean water, never bothered anything, but, after 11 years, I knew this was probably the beginning of the end. So, (after much internal teeth-gnashing) out the door that $2,400.00 German beauty went.


I kept and still have the top silverware rack, vase/bottle holder attachment for the bottom rack, and tall item/pilsner glass racks. I tried for about a year to give them to a local friend, but he'll never come and get them. I'm ready to pitch them out the door.


I bought an (almost) TOL GE Profile, and never looked back. It's silent, efficient, cleans well (doesn't dry well), and can be repaired by the service folks in this redneck state.


Our local Miele/Subzero/TOL import appliance dealer went bankrupt a few months ago. They couldn't repair their own brands, and the closest authorized Miele repairer is probably in Charlotte, NC , or Atlanta, GA.

Post# 967905 , Reply# 13   11/14/2017 at 11:11 (342 days old) by Rolls_rapide (Scotland, UK)        
"valve connected to the hose that feeds dishwasher"

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Do other brands with such a feature suffer a similar fate?

My Bosch dishwasher has that type of hose. I personally never trust electric valves of any type, and always turn off the water at the stopcock valve after use anyway.

Which then begs the question, 'What about the Aquastop Guarantee' that some manufacturers push?

Post# 967907 , Reply# 14   11/14/2017 at 11:21 (342 days old) by jkbff (Happy Rock, ND)        

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The new Miele's have a dual water valve setup inside the dishwasher instead of the WaterProof system the true German machines have.

Bosh for quite a while had a similar flood proof setup that you couldn't get the gaskets replaced for.

I've attached a picture of the new dual valve inlet.

That being said, the Profi line still has the waterproof system at the end of the inlet hose.

Over time, any water valve/solenoid will fail... That is why these systems are in place, to alert the users to the failure, not to guarantee that they won't fail.

  View Full Size
Post# 967908 , Reply# 15   11/14/2017 at 11:41 (342 days old) by jkbff (Happy Rock, ND)        

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This is making me think of what this entire forum is about.

Miele tests their product to last the equivalent of 20 years...

That doesn't state that they guarantee their product to be repair free for 20 years.

We have customers that have 40 year old Maytags that they have us come do yearly maintenance on. We have customers that have had the same washers and dryers for decades because they are willing to repair the machine and replace the parts needed to keep the appliances in working order.

Things wear out, things break. Things are repairable. But I also understand things are also replaceable as well.

Post# 967911 , Reply# 16   11/14/2017 at 12:08 (342 days old) by henene4 (Germany)        
WaterProof system

That is something you have to have to install a DW in a rented property here. These things warrant that that no water ever leaves the DW in an uncontrolled manner.

Post# 967985 , Reply# 17   11/14/2017 at 21:49 (342 days old) by nmassman44 (Boston North Shore Massachusetts)        

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This is the thing ...the dishwasher was close to 10 years old. Miele wanted $200 just to walk thru my door and diagnose the issue. Then there is the part itself being a water valve that attaches directly to the faucet valve under my sink and since this hose is electrified, the dishwasher has to come out and worked on. The part alone according to Miele was another $400 or so and then the Electronic Control was just limping along...I can't see dropping that kinda money into a 10 year old machine with racks that are falling apart from rust. This would have been the 2nd time that the dishwasher has been worked on. The first time, the wash pump and pipes that led to the upper wash arms disintegrated at the couplings. They goodwill'd the parts for that since a new pump would have cost out of pocket a cool $650. I get where people say it should have been fixed and I seriously considered it since I loved that dishwasher, but my other half had to talk some sense into me and say its not worth it anymore.

Post# 967991 , Reply# 18   11/14/2017 at 22:20 (342 days old) by henene4 (Germany)        
Miele lifetime

Would have been interesting to see the running hours counter of it. You could have read that out yourself, just hidden in some surface level service menu.

They claim to be constructed for 7500 cycles. That would be (per day) 2 cycles plus a little more over the course of 10 years.

Anyway, Miele service is pretty expensive basicly everywhere. But there service is good though, at least in my concern. But still, prices are almost unjustifiable.
That valve sticking fault is something that seems exclusive to the US.

Post# 968013 , Reply# 19   11/15/2017 at 01:43 (342 days old) by richnz (New Zealand)        
Its just a claim

Personally I think that's all it is.
Engineering is out and marketing is in.

If they replaced machines which didn't make it to that mark then that would be far better.

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