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October 30, 2023 at 11:33 am in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487705
BrianT
ParticipantI thought I’d leave it a while before posting again but I replaced the impeller jug for £17 nearly 2 months ago and it’s worked fine ever since, through daily washes. I’m confident it is fixed now.
September 25, 2023 at 8:12 am in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487703BrianT
ParticipantI found time to have a look at it again at the weekend. The only thing I did was remove the impeller jug and blow really hard through it, both ways, to make it spin fast. It seemed a bit freer after that, so maybe there was a bit of grit in there or something. Because when I put it back in and tried the machine, it worked! At least if it goes again, I know it will only cost me £20 to replace that part.
September 21, 2023 at 12:20 pm in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487701BrianT
ParticipantReviving this due to a reoccurrence of the same issue.
After Dave last responded, I took the inlet valve out and the little circular impeller thing just downstream of the valve. Blew through them, flushed them with the tap and made syre they were clean. Hey presto! Machine worked again. Until today that is. Now it’s doing the fill/drain thing endlessly, red float going up and down, error codes e3 and e6 .
Part 0410 is clean as a whistle. I dismantled it and thoroughly cleaned it.
The wash motor is working OK, and has been doing so, and water heats up OK, or has been.
So Andy, maybe now I will check the little impeller sensor thing. Given that it was when I removed that and flushed it through, that it started working again, and I didn’t do anything else, that seems likely to be something to do with it.
Is this the part you mean?August 5, 2023 at 2:42 pm in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487697BrianT
ParticipantCould it be the water inlet valve? That’s what the Bosch site suggests for E3.
August 5, 2023 at 1:31 pm in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487695BrianT
ParticipantRight, when I turn it on, water runs through the matrix, and down into the left hand side of the metering unit, then straight down the pipe leading to the sump. Every few seconds there’s a kind of ‘burp’ and bubbles seem to come back up from the base of the matrix to the left of the metering chamber, where the matrix pipes fit into the pressure chamber (?)
It does this for a couple of minutes, and water is going into the machine. Then it does what you said. It starts to make a surging noise and the float goes up and down. Meanwhile water is surging from the drain outlet in bursts timed with the up and down of the float. I videoed it but I realise I can’t really post that here.
So the pipe is not blocked, water is getting to the machine to start with, although there’s that weird bubbling. But then it goes pear shaped and is trying to empty and run at the same time. That and the E3 code/check water light.August 5, 2023 at 1:08 pm in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487694BrianT
ParticipantI just found out how to read the error codes. It’s showing E3 as the last code. Also, the check water LED is lit. I can gear sort of burbling or bubbling somewhere, so you might be right about the float chamber. I’ll have the side off and have a look.
August 5, 2023 at 12:02 pm in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487692BrianT
ParticipantHi Dave.
Finally got time to get in there. Three nested panels to take off, once the side panels are removed. They don’t want people getting in there, do they!
Anyway, I took the pipe off and it’s clear. Poked a finger in the sump outlet and can’t feel anything in there. I tried running it again and it’s the same: surge-pause-surge-pause-surge-pause etc etc ad infinitum. Any other suggestions? BrianAugust 1, 2023 at 9:40 am in reply to: Bosch SGS46E18GB/73 FILLING AND DRAINING, NOT RUNNING CYCLE #487690BrianT
ParticipantThanks Dave. I can see one end of the pipe with the side panel off. I presume 0410 is the sump? To get to the other end of the pipe, is that accessible through the base?
BrianT
Participant24 hours om, no flooding, job sorted.
BrianT
ParticipantBrianT
ParticipantAh righto.
Anyway I dried out the base again but left the power off. I was peering inside with the the side panel off but nothing looked amiss. I put the water supply tap to ‘on’ and immediately water started appearing in the base. Then I realised it was coming from a drip under the water inlet conection on the outside, which was dripping onto a plastic flange/shelf beneath, and entering through a seemingly pointless little slot into the base. The slot is perfectly placed to admit the water so that the drip is not apparent unless you get your head on the floor.
I replaced the rubber washer and ran a cycle and it seems to be ok. We’ll see what it’s like in the morning.
Can’t believe it was something so simple.

BrianT
ParticipantI think I’ve found what the problem is. I’d post a picture but can’t figure out how. I only have 2.8 kB available apparently, not enough to upload a photo.
BrianT
ParticipantLower door seal is OK, no damage or cracks. Funny thing is, the leak, wherever it’s coming from, carries on flooding into the base even with the power off. So I guess it’s somewhere on the inlet side. Is there a valve or somewthing similar that is meant to shut the incoming water off unless there’s a demand from the machine?
BrianT
ParticipantCheers Dave. That confirms what I suspected.
BrianT
ParticipantNo worries. I can get a decent second hand one for not much money. Just missed out on a very local Miele for £110 but I’ve found an almost identical Bosch model nearby for £20 so it wouldn’t be worth repairing the old one anyway.
Thanks for your help and advice nonetheless. -
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