Neff dishwasher not filling S51M53X0GB/16

[JulianT]

I have a Neff integrated dishwasher that does not fill with water. It shows error E24 and the check water supply icon in the display. When I start the dishwasher all water is drained out but it does not fill with any fresh water. I have taken the fill chamber or metering tank off and cleaned it becuase it was full of gunk. The dishwasher then seems to work for one cycle. It will fill and wash as you would expect. Second time though the same e24 and check water icon appear. I have checked the supply and drain hoses and there are no blockages. This leads me to think that I may have a sensor issue and the dishwasher is not detecting that the water has been drained correctly. I am not sure how to check this. Any advice would be gratefully received. Thanks.

[electrofix]

e24 and 25 are both drain errors

to detect the unit has drained the board detects the current flowing to the drain pump. when the unit is empty the pump sucks air and draws less current

a faulty pump that is worn can also draw more current fooling the board that its still full

or it could be the board

is it draining all the water ?

Dave

[JulianT]

Thanks Dave for your reply I will check tonight to see how much water is drained. Could it be that there is something trapped around the pump which causes it to work harder and draw more current? I have had a good look in the sump area and cleaned out any debris but I have not removed the pump.

[JulianT]

Hello Dave when it drains the water I can see a small amount left in sump. It is about 2 cm from the lowest point in the centre of the sump. If I completely empty the sump using a sponge the dishwasher will then start a wash cycle. I stopped the cycle before it finished but it did fill with water and pump the water through the spray arms. Does this mean that the pump is failing?

[electrofix]

JulianT wrote: Does this mean that the pump is failing?

possibly is all i can say

all you can do is swop it and see but its a chance like all fault finding

gen pump part no is 611332

on the neff site for £32.78

Dave

[JulianT]

Hi Dave

Do you stock the drain pump? I can see a pump with the SKU number 00611332 on your website but my model is not shown in the list of models that this part fits.

Thanks

Julian

[electrofix]

if the part is linked to the part number it should be correct

as for stock I am over 230 miles from the shop and have no stock access
you would need to message them

Dave

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