Question about Neff 24 in. S5409X0 Built-in Dishwasher

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Not cleaning properly and cycle is taking far too long

NEFF S5409 integrated
recently the cycle time has been extending and the cleaning is not always good. at times the tablet is not exiting from the trap and it does not seem to rinse properly either.
the last time we set it running it was on almost all day!
we have removed all the areas we can see to clean and check etc but can't seem to fix it. it is almost 4 years old now.

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Posted on Jan 02, 2017

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  • 1462 Answers

SOURCE: Dishwasher not washing very well

usual reason is that the arms are not rotating freely - they only turn by water jetting out of angled jets. blockages are not always obvious as blockage material tends to go out of sight when water pressure off. favourite culprits are rice and sweet corn

Posted on Jun 19, 2008

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  • 228 Answers

SOURCE: Neff Integrated slimline - Programme does not complete.

IT SOUNDS AS THOUGH ITS NOT HEATING DETERGENT AND RINSE AID INTRODUCED INTO COLD WATER WILL GENERATE A LOT OF FOAM,IS APPLIANCE WARM INSIDE AT END OF CYCLE?OR IT COULD BE TOO MUCH RINSE AID IF IT IS FILLED WITH RINSE AID AND YOU ARE USING A TABLET WITH RINSE AID COMBINED IT WILL HAVE TOO MUCH TO USE IN ONE WASH.

Posted on Aug 05, 2009

  • 901 Answers

SOURCE: the dishwasher is not cleaning properly

Check the main drain system connected to the dish washer hose pipe. Clean the junction if clogged. This smell might orginate from the pipe.

Check incoming water quality. If hard water is noticed, use softener attachments to the inlet.

Fill dish washer salt in the dispenser. Refer user guide. The salt will help softening the water to certain extent. Finally check whether rinse aid dispenser filled with the rinse aid liquid.

Posted on Jun 01, 2010

  • 3247 Answers

SOURCE: our Neff S5454x1/21 dishwasher has occasionally stopped/stuck

Looks like the heater unit has packed up.

I cannot seem to find the actual model you have anywhere on the internet. But I am assuming you connect the dishwasher to cold water inlet and it is meant to have a heater.

Are you in UK or Europe. Bosch also makes parts for the NEFF dishwasher but I am not able to find spare parts for your exact model.

Please post a comment.

Posted on Jun 05, 2010

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Looks like the heater unit has packed up.

I cannot seem to find the actual model you have anywhere on the internet. But I am assuming you connect the dishwasher to cold water inlet and it is meant to have a heater.

Are you in UK or Europe. Bosch also makes parts for the NEFF dishwasher but I am not able to find spare parts for your exact model.

Please post a comment.

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usual reason is that the arms are not rotating freely - they only turn by water jetting out of angled jets. blockages are not always obvious as blockage material tends to go out of sight when water pressure off. favourite culprits are rice and sweet corn

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