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Old 22.12.2017, 16:52
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Re: Water coming back into dishwasher

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Hi Mc. This is a typical Siemens installation for dishwasher (+ Steamer).
Notice the drain pipes from the 2 maschines are fixed high above the "swan neck", at least 30cm if posible. The flex drain pipes should be fixed ( like photo, black wire) because the pipe will move, when the maschine is pumping. You have a black rubber tube which is between the flex-pipe and the drain. This must not be allowed to bend down. It could be that your flex pipe in not fixed and it is now hanging down lower than the outlet and water from the basin, runs into your dishwasher drain pipe . I hope you understand this!


Is the green knob i can see on your picture the water mains for the dishwasher? I've got the same and was wondering whether to turn it off when the dishwasher has drained completely, to stop the water coming back.
Want to check first as I've had a few disasters today (reversed into a car that parked itself in double line behind me with no warning as I was reversing!)
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Old 22.12.2017, 16:58
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Re: Water coming back into dishwasher

If you still can't find the check valve, nor reconnect pipes, you may be able to pre-empt it by emptying the machine immediately after the load finishes. Your dishes will clean, but will likely be wet, and a puddle at the bottom.


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Is the green knob i can see on your picture the water mains for the dishwasher? I've got the same and was wondering whether to turn it off when the dishwasher has drained completely, to stop the water coming back.


The leftover water in the drain pipes is flowing back down into the machine when it stops pumping it out. Its not coming from that green valve.
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  #23  
Old 22.12.2017, 17:10
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Re: Water coming back into dishwasher

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If you still can't find the check valve, nor reconnect pipes, you may be able to pre-empt it by emptying the machine immediately after the load finishes. Your dishes will clean, but will likely be wet, and a puddle at the bottom.






The leftover water in the drain pipes is flowing back down into the machine when it stops pumping it out. Its not coming from that green valve.

Thanks for this. I've just tried the green knob but it stops the sink too, so no good. The dishes are clean, this is what so strange: there is zero water left, all drained out, and it's only after a while that it starts coming back.
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Old 22.12.2017, 17:15
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Re: Water coming back into dishwasher

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Thanks for this. I've just tried the green knob but it stops the sink too, so no good. The dishes are clean, this is what so strange: there is zero water left, all drained out, and it's only after a while that it starts coming back.
Right, the water is actual still in the pipes. There is small leak in the check valve that allows it to seep it back into the machine within the hour. You can empty the machine before it does.

You can also try to pump out the remainder with a dry cycle before you use it again.
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Old 22.12.2017, 17:44
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Re: Water coming back into dishwasher

What model number is the dishwasher?
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  #26  
Old 22.12.2017, 17:48
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Re: Water coming back into dishwasher

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What model number is the dishwasher?


Siemens SD6P1S, I think.
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Old 22.12.2017, 18:01
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Re: Water coming back into dishwasher

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Siemens SD6P1S, I think.
Probably comparable to a Bosch. See 01:00 here:

https://www.youtube.com/watch?v=H4FjNHsHTLY

If so, you can do this with a #15 hex nut screwdriver.
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Old 22.12.2017, 18:18
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Re: Water coming back into dishwasher

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Siemens SD6P1S, I think.
That's the generic model number. There should also be a number on the plate such as :

SN68M064EU....


You should check the non-return valve as Phos suggested. Other sources suggest there is also a black check valve in the sink end of the drain hose. You ought to see if one is there and if there is, remove it and check it's clean.

Last edited by Tom1234; 22.12.2017 at 21:27.
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Old 22.12.2017, 21:25
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Re: Water coming back into dishwasher

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Is the green knob i can see on your picture the water mains for the dishwasher? I've got the same and was wondering whether to turn it off when the dishwasher has drained completely, to stop the water coming back.
Want to check first as I've had a few disasters today (reversed into a car that parked itself in double line behind me with no warning as I was reversing!)
Hi Mc, If you have a square box (Water Stop) on your water inlet, like in my photo. You should have no problem from that side (its an Electric Valve stopping the water).
I think you should check the waste-pipe that goes into the SYPHON. I once found a small plastic piece stuck in the black rubber connector.
Your problem could also be the waste pipe which goes into the wall, soap and other waste collect very often, just inside the wall. This slows the water flow and you have water running into the washer waste pipe. PM me if I can help.
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  #30  
Old 23.12.2017, 12:37
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Re: Water coming back into dishwasher

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that's the generic model number. There should also be a number on the plate such as :

Sn68m064eu....


You should check the non-return valve as phos suggested. Other sources suggest there is also a black check valve in the sink end of the drain hose. You ought to see if one is there and if there is, remove it and check it's clean.


sx66mo37 ch
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  #31  
Old 23.12.2017, 19:09
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Re: Water coming back into dishwasher

Big Mara knows his stuff for sure - but a bit far to pop round. If I had visitors arriving any minute, honestly- I would call someone in for sure. Bonne chance.
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Old 23.12.2017, 20:35
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Re: Water coming back into dishwasher

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sx66mo37 ch
McT,

The user manual is at http://media3.bsh-group.com/Documents/9001152245_B.pdf

Page 33 covers cleaning the pump impellor.
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  #33  
Old 23.12.2017, 22:36
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Re: Water coming back into dishwasher

While we're on the subject of dishwashers - ours has just stopped working.

It's a V-Zug Adora GS 60Si and not a particularly new one.

In case anyone knows, or has experienced the same problem:

Normally, one selects the wash program and the display flashes for 15 seconds and then the program starts.

What happens with ours is that after the fifteen seconds of flashing lights and display, the program doesn't start and all the lights and display go out.

Hope no one minds me hijacking the thread but it's a common theme.
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  #34  
Old 23.12.2017, 23:07
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Re: Water coming back into dishwasher

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While we're on the subject of dishwashers - ours has just stopped working.

It's a V-Zug Adora GS 60Si and not a particularly new one.

In case anyone knows, or has experienced the same problem:

Normally, one selects the wash program and the display flashes for 15 seconds and then the program starts.

What happens with ours is that after the fifteen seconds of flashing lights and display, the program doesn't start and all the lights and display go out.

Hope no one minds me hijacking the thread but it's a common theme.
Tom,

According to the user manual (https://www.vzug.com/medias/1009121-...ttachment=true) the start delay is programmable. Perhaps the timer has changed.

If it doesnt show an error message then that is the likeliest explanation.

Any chanch that it's 2 phase and one leg has tripped? (Been there done that with a washing maschine - if the phase which feeds the display/control is ok then it seems normal, except that it doesn't work.)
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  #35  
Old 24.12.2017, 09:14
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Re: Water coming back into dishwasher

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Tom,

According to the user manual (https://www.vzug.com/medias/1009121-...ttachment=true) the start delay is programmable. Perhaps the timer has changed.

If it doesnt show an error message then that is the likeliest explanation.
It's not that. We use the delayed timer and that shows on the display when it is on.

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Tom,

Any chanch that it's 2 phase and one leg has tripped? (Been there done that with a washing maschine - if the phase which feeds the display/control is ok then it seems normal, except that it doesn't work.)
I got it working in the end with a random pressing of buttons and pulling the plug out. The supply is fine.

But then it stopped again in the night for a different reason - the door catch is worn so periodically it needs a fresh piece of duct tape wound around to increase the diameter of the catch.
I'm not convinced this new problem is connected.

Basically the machine is on it's way out as it's quite old but we were hoping for it to survive for a couple more years at least when we going to change the kitchen which is old too.
(The hob has only three rings working too!)
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