Question about Neff 24 in. S5453X1 Built-in Dishwasher

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My neff dishwasher won't finish the cycle

The dishwasher goes through the whole cycle and then stops on one minute. It goes on rinsing endlessly showing one minute on the control panel and the water is left in the bottom. We have tried doing the test run by turning it off and on and holding down two buttons and it works perfectly but once it is loaded and on a programme the same thing happens again. Any ideas? At the moment we are looking for a plate with two screws to undo and look for a float mechanism. It is built in under a heavy bit of granite.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1462 Answers

SOURCE: Dishwasher stuck on "drain"

not easy to fix - it has a leak. the tray at the base is full of water which ooperates a float which switches drain pump on. remove front panel at bottom front and mop out water or tilt backwards 45deg and water will run out. leak is usually main pump

Posted on Mar 20, 2007

  • 641 Answers

SOURCE: Neff Dishwasher

It sound like a detergent cup issue (not opened in time). The detergent cup itself can become clogged with old dried detergent that prevents it from opening. Sometimes just cleaning the cup takes care of the problem. Let me know with your results. Good luck!

Posted on Sep 06, 2007

wbwill
  • 68 Answers

SOURCE: NEFF DISHWASHER S5443 STUCK IN TEST MODE

First try disconnecting the unit, completely from any power, for an hour or more, look in any control doors or access points for a small battery mounted to a board or in a holder, if you find one, take it out also, noting the positive and negative orientation.

If that doesn't do it, there are reset buttons under the tops or lids of some NEFF models, if there is an obvious lid after trying the no power trick, take off the top and look for a stand alone reset button.


If all that fails, write me back
Will

Posted on Nov 05, 2008

  • 1 Answer

SOURCE: Neff dishwasher sticks on 1 minute

We had this problem with our machine.
There turned out to be a few things that caused it:

- Firstly, the float assembly (an orange looking float in a little chamber, visible if you take off the left-hand panel of the machine) was clogged - we cleaned this and it seemed to help.
- The heat exchanger matrix was full of debris - we tried to clean this but ended up damaging it and bought a new one.

.. these two things seemed to improve the cleaning and the machine worked for a while.

The real problem though (which caused it to pump out continuously) turned out to be a failed seal on the circulation pump.

If you look on page 4 of the following link:

https://www.neff-eshop.com/eshop/neff/gb/prodp.htm?eShopType=S&prod=S5456X3GB%2f22

.. you will see a diagram of the bottom of the machine - the part that failed was 171598, which you can see on the bottom middle-to-right hand side of the picture..
The rubber had perished very badly, and it was causing water to leak into the bottom of the machine, which triggers 'flood mode' whereby it pumps continuously and doesn't actually wash the dishes.

The part costs about £5 - fitting it is not straightforward though, as you need to strip the machine down which is a pretty involved job.
If you think you're up to it, the steps I followed were:

- Remove both side panels
- On the left hand side, remove heat exchanger matrix and float assembly
- Remove kick-panel under the front door
- On the right hand side, remove all wiring from the door to the machine (including an earthing wire which is screwed to the side of the machine) - note that there are two wires which go to push-on connectors which have to be removed separately - all the others go to connector blocks.
- Inside the machine, remove the wire baskets, spray arm and bottom filter.
- Remove the lid from the salt dispenser - and now the tricky part, you need to find something that will allow you to remove the large plastic 'nut' that holds the salt dispenser to the machine.
- Remove the two screws in the bottom of the machine (167241 in the diagram mentioned above)
- Now, shut the door and then disconnect the door spring mechanism from the left and right side of the door.
- Disconnect the string from the door closing mechanism from the springs at the left and right back corners, under the machine.
- Remove the two screws at the back of the machine which connect the top of the machine to the base.
- Remove the two screws at the front of the machine which connect the top of the machine to the base (these are quite low down, near the door hinges).

Now, you should be able to lift the top of the machine off the base, and will have access to the pump etc.


... re-assembly is the reverse of disassembly ;-)

This took me a couple of hours - it might be better to find somebody who will do it for you for fixed cost as it's a pig of a job.


For what it's worth, there seemed to be very few places where the machine could leak - and this looked to be the major one - and there are a few push-fit pipes which are worth checking out too.


Hope this helps somebody.





Posted on Jan 07, 2009

  • 132 Answers

SOURCE: the programme gets stuck during the rinse and hold

MAYBE ELECTRONIC CONTOL BOARD NEED TO CLEAN THE BUTTONS >
THANKS

Posted on Jul 12, 2009

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