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Hi
Wonder if you can offer any advice. My Bosch SGS3042GB/01 has stopped working. The symptoms are that if I put it on the start of a programme, the pump starts and keeps running. There is no water fill and the programmer appears to stick. If I move the programmer on, the pump is still running. The programmer does appear to move on some programmes, but the pump is always running.
I checked the filter and pump housing, filter on water inlet. With pump running added some water into machine and this pumps away OK. When taking the machine out to look, I noticed that there was a little water under the machine.
Next step is to take side off to have a more detailed look. Any advice on tracking down the problem would be appreciated. I am comfortable working on domestic appliances, though never worked on a dishwasher.
Many Thanks
William
Re: Bosch SGS3042GB/01 problem
Presumably the base has flooded and the flood protection float switch has been activated. Power off, drain base, find leak. *Possible* that there is a stuck switch in the timer, but that would be most unlikely.
Penguin45.
Re: Bosch SGS3042GB/01 problem
Many thanks.
Yes, I managed to dismantle the machine and found the base flooded. Cleared water out Ok and float switch reset.
I looked for blockages in any of the pipes. There was a little debris in the pipe from the pressure chamber (not sure if have right name – near the front of the machine on the LHS with the level switch) to the sump so cleaned this out. Not sure if this is the pipe that normally blocks and gives problems. Looked like a little crud under the float in the pressure chamber but looked difficult to take apart. Similarly noticed in the water inlet system (name ? – the item with the vertical tubes at the back LHS) that there is a little chamber connected to the vent in the top which looked totally blocked. It looked as though there is a red ball (providing a seal ?) that was crudded up. Similarly, looks like a lot of dismantling to get to it. Wasn’t sure if pipe would be easy to reconnect and appeared to be fixed by a band round the pipe. So I put back together and checked on the pre-rinse program. The machine pumped out for a minute and then water came in and looked to be working as normal. However, water started appearing under the machine so stopped program.
Looks like another strip down to find the leak. Could the possible blocked areas I saw (at the top of the water inlet system and the pressure chamber) be causing the leak?. If so, wasn’t sure where it would be leaking from.
Any further guidance much appreciated.
Many Thanks
William
Re: Bosch SGS3042GB/01 problem
The goo in the drain part of the matrix will not cause a leak. Unfortunately, full access to the base requires taking the cavity off the base………..
Penguin45.
Re: Bosch SGS3042GB/01 problem
I’ve just had a similar problem on my Bosch SRS4302 GB/04. Initially I found water in the base of the dishwasher (no external leak) it didn’t seem to be draining correctly. I did as recommended and ladled out as much water as I could, removed the filter and unscrewed the pump cover and removed a piece of rosemary stem (which I believe to be the cause) and some bits other debris. I also cleared some gunk out of what I believe to be the outflow pipe with my little finger and a small (very short) hose pipe cleaner.
I reassembled but now when I switch the machine on I just get a buzzing with no sound of the dishwasher filling up or doing anything. I notice that the pump (fan?) didn’t exactly spin freely. It does turn but is kind of springy rotation and don’t know if this is normal. Also not sure if it’s anything to do with the reset switch mentioned in this thread, but I don’t know where the reset button is, if indeed this is the problem.
Any help, tips advice, greatly appreciated.
Thanks
Re: Bosch SGS3042GB/01 problem
Ah ha. Just worked out what it was. Just had to reset the machine which is so obvious I completely missed it. By pressing the two button simultaneously on the front of the machine, labeled ‘reset’. Doh! Seems to be running now. Just hope it drains ok.
Re: Bosch SGS3042GB/01 problem
Check that the nut that holds the softner unit to the cabinet has not worked loose, it is rare that this happens but worth checking before going too deep.
GrahamRe: Bosch SGS3042GB/01 problem
Thanks for the inpuit everyone. I have been away a week so only just managed to look at the machine again.
I cleaned out the pressure vessel and out everything back. Unfortunately still leaking after machine starts filling. Heard a dripping sound after switched machine off. After taking off RHS panel and using a mirror I identified that the leak appears to be coming from somewhere behind the heater – ie in about the centre of the machine. Quite a substantial leak. Unfortunately I can’t see exactly where it is leaking from. It could be the pipe from the water matrix to the sump or the connections on the heater. The only thing I noticed in the mirror was that there was a little plastic stud (few mm diameter) which wasn’t exactly lined up with a hole in the (heater ?) . The stud looked as though it has a rough hole in the centre suggesting that a scrw might have been fitted. I couldn’t see a screw anywhere and couldn’t push the heater at all.
It looks like a major strip down as the machine has a one piece plastic base, so this will have to be removed to get access. Are there any tips on doing this as I enjoy a DIY challenge ? Is it likely to be an economic repair for a 9 year old machine if I have to call somebody in?
Many thanks
William
Re: Bosch SGS3042GB/01 problem
Has the base of the dishwasher got a hole in it caused by leaving salt granules laying in base after topping up. The hole will be tiny.
Its best if you can find out where the leak is coming from before stripping down as it may be difficult to spot stripped down with many parts being wet.
Graham
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