Sink water going in...
 

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Sink water going into dishwasher.

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Bosch dishwasher and we have an E31 code and a red flashing tap.

Took dishwasher out and blew air through the waste pipe and got bubbles.

Put it all back and started washing filters and noticed water going into dishwasher .

This is the layout under the sink. The dishwasher waste enters the pipes on the left. U bend and exit out of the house are  clear.

Is it normal to have a waste pipe rise 12 inches up in the air?

Pretty certain waste wasn’t going into machine before  I started messing around.

IMG_2099


 
Posted : 04/09/2024 10:19 pm
mudmagnet and mudmagnet reacted
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The dishwasher drain pipe should have a high loop, the opposite of a sink u-bend to stop this. Sometimes there is a plastic piece to help form this loop or a clip to hang it off the underside of the work surface.


 
Posted : 05/09/2024 7:03 am
daviek, akeys001, J-R and 7 people reacted
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Sink wars - manual old skool dish washing Vs the machines !


 
Posted : 05/09/2024 7:46 am
 bens
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If you've got any slack in the dishwasher waste pipe, you can loosen the spigot on the u bend and turn it so it points up towards the sink. That'll help you get your loop started.

If that doesn't help, and you got the space, then you can fit a hepvo valve which is like a collapsible plastic sock in a tube. It acts as a non return valve


 
Posted : 05/09/2024 7:55 am
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Ours was plumbed like that when we arrived.

I fitted a lower U-bend, with the dishwasher drain coming in higher up above the level of the U-bend water level. It necessitated an adjustment to the outgoing drain pipe, but ours goes vertically down under the floor.


 
Posted : 05/09/2024 7:57 am
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Yup, the waste pipe should run to the height of the dishwasher.


 
Posted : 05/09/2024 8:16 am
b33k34 and b33k34 reacted
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As above. Diagram to summarise

Spigot trap will ideally flow "downhill" into the waste, which yours doesn't


 
Posted : 05/09/2024 8:35 am
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Yeah, a loop on the hose is the normal way, but isn't the pipe fitted incorrectly – the pipe should point upwards, not down? Could you loosen the pipework and spin it around so it points up?


 
Posted : 05/09/2024 9:08 am
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I’m assuming it was pointing up before I removed it, will spin it up.

Error codes have gone just got a flashing Wi-Fi symbol now.

Thanks all.


 
Posted : 05/09/2024 9:19 am
 jca
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Is the flashing wifi symbol to say 'WTF is wifi doing in my dishwasher?'


 
Posted : 05/09/2024 9:29 am
geck0, nuke, geck0 and 1 people reacted
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Wi-fi dishwasher, a classic example of a solution to a problem that never existed


 
Posted : 05/09/2024 9:38 am
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Anyway, pipe pointed up ,problem solved.

No doubt this Wi-Fi symbol is going to need account numbers and passwords which we don’t have.


 
Posted : 05/09/2024 10:18 am

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