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I have been similar posts regarding this model of dishwasher and have reviewed them before posting this topic. Previously, when the dishwasher would not run I was able to coax it into starting by tilting the whole unit. At other times I did a reset and it started. Overall, it would not run reliably. The symptoms, which I describe below have become worse and now it won’t run at all after filling.
Selected Quick program which is 30 minutes
Fill valve appears to open and water enters the interior
Counter clicks down from 30 to 29 or 28 and then there is a clicking sound
Clicking repeats regularly (every 10-20s or so) – it sounds like a solenoid.Removed side panels and checked motor spindle turns OK.
When the dishwasher is filling the motor runs/turns
On left hand side can see water flowing in until clicking starts
At this time I cannot see that the motor is turningI’ve tried to post a URL of an video file here (front panel, clicking sound):
And a video of the left hand side during fill here:
Audio file of the fill and clicking:
Hopefully some of the above links might work. Washing machine was running in the background.
Any pointers as to what the problem might be welcome.
Re: Bosch SGS45C02GB fills then makes clicking noise
After some tilting of the unit 45 degrees to each side and back followed by a reset it started again. Aside from the previous clicking noise I could see the fill hose vibrating as the pressure changed from fill/on to off. Could there be a problem with the fill valve itself? It’s almost as if it’s not staying open and the control board is sending a signal to open. Maybe worth a swap out as they are not so expensive? Once the machine is running everything seems fine.
Re: Bosch SGS45C02GB fills then makes clicking noise
what worries me is the display goes blank when it does it
if it were just the fill valve I would not expect the display to disappear
from the look of it may be a board fault but boards can be affected by leaks and earth faults so I would take the other side off and check for dampness. It looks like you have the cheaper unit with the plastic base and they are prone to leak on the join between the plastic and stainless steel
Dave
Re: Bosch SGS45C02GB fills then makes clicking noise
To bring this matter to a conclusion and for the benefit of any others with similar problems I found the root cause and the dishwasher is now working.
There is an anti-flood device which consists of a polystyrene float, a catch tray (pressed into the lower cover) and a micro-switch. The catch tray was furred with what looked like detergent/limesale crystals and was also corroded in parts. This raised the surface of the catch tray pushing up the float and triggering the switch. I guess the tilting probably dislodged the material sufficiently to release the switch (sometimes). I guess moisture and temperature could have been a factor too (the bottom panel is quite flimsy).
After cleaning out the tray of debris and using an abrasive pad I put it all back together and so far so good. The float is so light that any debris that gets down there could cause it to trigger the switch.
Re: Bosch SGS45C02GB fills then makes clicking noise
I was too hopeful about the problem being resolved. It has reverted to the problem with the fill valve starting and stopping during fill. The control panel is clicking before, the valve opens for a short time, then closes. The dishwasher ran for several days before running into this problem again. I removed the anti-flood float valve so I know that is not at fault.
Re: Bosch SGS45C02GB fills then makes clicking noise
The symptoms point to the Impeller Jug (part no 00424099) being at fault here. Easy fix, just make sure you fit it the correct way around. 😉
Re: Bosch SGS45C02GB fills then makes clicking noise
Replaced the impeller jug which was quite an easy swap. Thought that had sorted it as the dishwasher seemed to be running OK. However tonight after three cycles it failed to start after fill as before. Tried to reset using the control dial but it wouldn’t go through the reset. Moving the dial to other settings the timer updates and then back to resent it goes to a count of 18 and then just starts/stops attempting to fill as before.
Could the problem be with the controller board itself? I’ve not take the front panel off yet for inspection so will do that in the morning. Everything seems to be working OK when it starts up. However, as it only runs for a few cycles (at best) before stopping does that indicate any particular problem?
Thanks again.
Re: Bosch SGS45C02GB fills then makes clicking noise
Quick update on the situation. I removed all panels to inspect the dishwasher internals again. Cannot see any issues with corrosion or connections on the front panel. Tipping the dishwasher 45 degrees failed to get it started again so I put it on its side. Water came out from somewhere when I did this although the lower panel (drip tray/flood alarm) was bone dry.
There could be a minor leak near the clear plastic tubing on the left on side but it’s a drip rather than a flood. A lot more water (I’d say a cupful or two) is coming out only when I put it on its side. After righting the dishwasher and trying to start it was clicking again, so I’m wondering if something is shorting hence the control panel clicking. When its clicking I cannot do a reset.
After some time I was able to do a reset and get it started up again. If there is a short maybe it drained or dryed out? Are there any obvious places to look for such a leak? As I said, although water comes out when its on its side I cannot see from where it is coming.
Losing patience with this due to the time I’ve spent on it and will buy a new one if I cannot get this fixed quickly.
Thanks again for all your input and suggestions.
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