Question about Neff 24 in. S5443X2 Built-in Dishwasher

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My Neff dishwasher does not seem to heat the water

Ran the dish washer the other day. Just kept running and didn't look like finishing cycle....then smell of burning. Switched off. Emptied and ran on rinse mode. Now the dish washer seems to run through the cycle but the water temp does not seem to get hot. Guess its the heating element - but can it repair - replace?? I live in Spain so parts may be any issue Help needed urgently - large family!!!!

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6 Suggested Answers

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SOURCE: Neff S5555 - empties water but stuck in draining mode.

if this machine uses an electrical-mechanical timer with cam switches, the try oiling the shaft bushings both for the timer motor and cams-the timer may be getting stuck because of dry or corroded bushings

Posted on May 26, 2007


We eventually, after several days of these problems, called a technician. It took him a couple of days to come round. Then when he did - he switched it on and absolutely no problem. His explanation was that if you interrupt the cycle whilst on a hot cycle, it sometimes thinks it's in flood mode. If you leave it off for a couple of days - it's OK.
1) Try not to interrupt hot cycle
2) If the pump continues to run - switch it off and wash dishes manually for 2 or 3 days.
Hope this helps others.

Posted on Feb 29, 2008

  • 7 Answers

SOURCE: Neff intergrated dish washer

Drain pump is either faulty or blocked, follow drain hose back to d/washer pump is at the end, always isolate from power supply before attempting any work

Posted on Oct 09, 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:

.. 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

  • 1 Answer

SOURCE: neff dishwasher s5433xogb/29 pump keeps running

Our Neff Dishwasher S5456X0 the pump was running all the time and the solution 1 worked. We removed the front panel under the door and the the flood camber was full of water. Drained it out with a sponge and the dishwasher is fine. Thanks

Posted on Dec 13, 2009

  • 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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Bosch dishwasher, Model SHX45PO5UC 20 months old . No problems until tonight. Ran until 1 minute was showing on cycle timer and water remained in the entire bottom,not just well for filter and pump sump....

Hello, welcome to FixYa.

Based on your description I'd say the issue actually is with the control...unfortunately. This is commonly associated with a heating fault on Bosch built dishwashers ( various models including Bosch, Thermador, Siemens, Gaggenau, and Neff ).

Since the issue is likely within the electronic timer/control, specifically the heater relay solder joint. ( a faulty flow switch, ntc or heater can also cause this, but not very probable ). These are the steps you'll need to follow to resolve it or at least investigate.

If you feel capable of checking this on your own, there`s a way to visually inspect the control really isn't very complicated.
It will require you to remove the control from the unit and then remove the control from it`s plastic housing and look for a burnt solder contact on the printed circuit board.

The culprit will 99% of the times be one of the pins from the heater relay, hence the unit sit`s and takes longer & longer to finish because it can`t heat to advance or unless the 2 buttons for "cancel" are pressed...this can also manifest as a long cycle time as I mentioned and eventually display's "1" on units with a display and usually very poor cleaning, no heating ( don't be fooled by the homes inlet hot water temperature ) as a result.

You can also run the unit through a regular or econo cycle ...any cycle with the exception of rinse & hold, and with the door panel removed place an ammeter on the gray/black wire it should draw 11 amps during the wash cycle...after it fills and the flow switch indicates it has adequate water to engage the heater.

**My Opinion - if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...but it has to be done well...or it will not last. Bosch recommend`s replacing the control and I don`t pretend to speak on their behalf nor do I profess to know better. This is just my experience (it work`s) and my opinion (why buy new if one can repair ?)

**Please disconnect the power or turn off the breaker before attempting any service to the dishwasher.**

If you do not feel comfortable attempting this service, call a local pro, preferably one familiar with Bosch/Thermador/Gaggenau/Siemens, to service your machine.

Thank`s for visiting "FixYa" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness. Good luck.


Macmarkus :)

Aug 18, 2011 | Bosch SHX46A07UC Built-in Dishwasher

1 Answer

My Bosch Dishwasher is not drying my dishes now. The model number is SHE44C05UC.

Hi there,

Unfortunately, it seems that the heating element has failed. The dishwasher uses steam to heat the tub to dry the dishes. I suspect your dishes are also being washed in cold water.

To check this, please run a regular full wash cycle. Allow the washer to fill with water and run for about 10 minutes, then open the door and feel the water temperature in the bottom of the washer. If the water is cold, it's more than likely the heating element has failed.

There are other possible faults which would cause the element not to heat, but these often prevent the dishwasher from completing the cycle. If the water is cold but the dishwasher still drains the water at the end - and completes the cycle - the heating element has probably failed.

Please try this simple test for water temperature and let me know if you need further assistance.


Feb 18, 2011 | Bosch 24 in. SHE44C05UC Stainless Steel...

1 Answer

Dish feels hot but not drying

sounds like your heating element is not working prtoperly or you are not washing in very hot water stop washer in middle of cycle and open it if steam come out hot steam be careful keep face away when you open itif not hot that could be the problem,A appliance serviceman once told me if water is hot enough and end of wash and rinse cycle not to run the dry cyvcle just open dryer a few inches and let the steam out Run hot water over a plate or a pot and set it in the drain tray in your sink notice how fast it dries itself while draining in the tray very hot water in a dish washer dopes the same good luck with this problem I hope my advice helps you oh yes one more thing always run the hot water till it get hot before you turn your dishwasher on

Dec 15, 2009 | Kenmore Dishwashers

1 Answer

Dishes are still damp after cycle is complete. This causes a bad odor in the dishwasher.

Bad odor is caused by something besides wet dishes.

When the water finishes it's part and is exhausted, does a fan come on and run for a long time? If not, the drying fan is bad, usually mounted on the side and runs after all the water is removed. Also, after the water stops, are the dishes and inside HOT? You have to have HOT water to make a dishwasher function properly, will also take care of some of that odor. When a dishwasher cycles, it washes and then heats the inside of the washer, then it runs a fan to remove the water and dry the dishes.

Make sure your dishwasher is hooked to the HOT water line and also check to be sure it can heat it's own water, put it on pot's and pans and it should heat the water quite hot, even if it has hot water coming in, it will heat it up some more.

Sep 08, 2009 | Bosch Integra® 500 SHX55M05UC Built-in...

1 Answer

When the washer gets to 1 in the cycle, it doesn't stop washing.

try running the test cycle or running delicate economy in that cycle it gets up to 150 degrees in the very first cycle let it run 15 or 20 min see if the water is screaming hot it is not and Luke warm it is not heating it is most likely a control board heaters very rarely go out

Jul 24, 2009 | Bosch SHU5316UC Dishwasher

1 Answer

My dish washer is stuck mid cycle and will not finish draining i need help

If it is washing still and not advancing, there is a heating element in the dishwasher that heats the water to about 155F at which point a thermostat closes and sends power to the timer to advance. If the water does not reach this temp, the dishwasher will not advance. Often the problem lies in a faulty part in the heating circuit like the heating element or the thermostat faulty but you will need a technician to verify. If it drains but not all the way, you may have something obstructing the flow of water out of the dishwasher like a kinked hose.

Feb 20, 2009 | Neff 24 in. S5443X2 Built-in Dishwasher

1 Answer

Food debris on dishes

Try running the dish washer a couple of times with out any dishes and see what happens.

Nov 08, 2007 | Neff 24 in. S5543X2 Built-in Dishwasher

1 Answer

Dishwasher seems to be doing everything except washing

what your friend did would not affect the appliance. by the sound of it the main circulating pump or pump capacitor is faulty. capacitor is a cheap part but the pump will be expensive. only way to find out is to dive in and look. is pump motor is faulty then this will be faily obvious - burnt winding. if no apparant motor damage try substituting the motor capacitor - this is a cheap part

May 21, 2007 | Kenmore 24 in. 15079 Built-in Dishwasher

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