Miele dishwasher very slow drain

[Jasonwhitegoods]

Hi guys, as the title suggests, I have a very slow draining Miele dishwasher. Model G1222sc
no blockages at sink connector, I have taken out the air break cover with the stainless ball, nothing there, pump runs fine. I then unscrewed the lower arm fixing to lift off a cover which is the photos, this cover has a couple of badly worn moulded seals, would this be enough to cause slow draining?
also I have blown threw the waste hose from the sink end and that’s clear. Any advice? Thank you.
sorry can’t upload photo for some reason I believe part number to be 9297070

[electrofix]

had one with a similar problem and it ended up being the pump cover unit

probably this one you need to check
https://www.miele.co.uk/e/non-return-valve-5750095-5750095-p

the problem was the seal that joins the outlet. the ball valve should stop water flow back but when i pumped it out and opened the door quickly while it was pumping, water would squirt passed the seal from the outlet hose when it should have been held there.
that means when it was pumping out water was leaking through this seal lowering the pump out pressure

Dave

also if you need any parts always check Miele themselves as they are often cheaper

[Jasonwhitegoods]

Ok, thanks Dave. I will give that a try

[Author]

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