Question about Neff 24 in. S4456 Built-in Dishwasher

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NEFF Dishwasher does not complete cycle

Have checked inlet valve and pump all seem OK, the machine fills and heats the water and seem to start as normal. It then just sits there mid way through the cycle, when you open the door you can hear the pump running and there is no water inside. When the problem first ocurred I cleaned the filters and pump ect. which seemed to improve performance as it would not run at all before, any idears?

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6 Suggested Answers

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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

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SOURCE: NEFF S5456 DISHWASHER

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.
Learning
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

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  • 1214 Answers

SOURCE: dishwasher not starting when door closes

What your saying is suggesting a water supply issue. The Model number you've given can not be found on the Neff website.

You will need to disconnect power, turn the water supply off (under sink or behind dishwasher), disconnect the water line, put the end of the hose in a bucket or cup, turn water back on slowly and make sure water flows. Turn back off. If water flows -

Then check that there is not a restriction in the water solenoid valve. If you know how to use a multimeter, check the water valve solenoid for continuity.

Plug the unit back in, and initiate a wash cycle, and watch for voltage applied to the water solenoid valve. If you get voltage, you should hear the valve open.
Power the unit off, connect the water line, and repower the unit. Check again if water does or doesnt flow.

Let me know what you find.

Posted on Jan 28, 2009

  • 228 Answers

SOURCE: Dishwasher pump keeps running

This is caused by a water leak into the base pan,it will trigger the anti flood and the machine will continously drain out even with the door open,you need to establish what is leaking,if you leave the appliance standing for a few days it will start again as the water will evaporate however if the fault returns you will definetly have aleak on the appliance which will require further investigation.

Posted on Aug 05, 2009

  • 228 Answers

SOURCE: my neff dishwasher will not fill will water and

i if it doesnt fill with water check it is actually draining is there water in the tub etc?if it cant drain it wont fill or complete the cycles,this is usually a blockage in the pump the handbook tells you how to deal with this problem.

Posted on Aug 05, 2009

  • 120 Answers

SOURCE: water wont fill

first of all, i'm gonna guess that the water supply under the sink is turned on.
the water you hear is the left over water from a previous cycle. there is always some left in the hoses after it drains, just like your washer.
this is 1 of 2 things. either your float is stuck in the up position or your water inlet valve is malfunctioning. the float is the quick and easy fix. the float is somewhere inside your dishwasher. it tells the water to stop coming in when it reaches a certain height, just like your toilet. it could look like anything, but most likely a cone or a little hat. just grab it and try to move it up and down. it should slide freely. it was probably stuck up and your handling will have solved the problem. we hope.
if the float was ok, the inlet valve needs checked or replaced. it is under the machine and has the water supply line hooked up to it. good luck

Posted on Nov 02, 2009

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Bosch Dishwasher model SHU66C06 doesn't enter wash cycle


this sounds like flow sensor failure,it it fails machine will either not fill up or fill and drain without washing its a cheap part to replace and is fitted downstream of inlet valve behind l/h/s side panel either attached to inle hose or heat exchanger.

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Neff dishwasher pump continues to run after cycle finished


It is possible that the machine does not start off the cycle because there are errors or back feedback from the inputs. For the program to start up the main program controller must initiate the INLET valve to open up and allow water to flow into. Also after the program is completing to the final stage the drain vavle/pump must work and cut off If this does not happen then the voltage at the inlet valve/drain pump must be checked or the fault relates to the controller. This means the controller is a suspect.

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My neff dishwasher is not filling with water


Hello

Water inlet valve is responsible for filling water in your dishwasher, when that goes bad either the dishwasher wont fill at all or will fill the water slowly. Please check the inlet screens and also try to clean the water lines for any clogs/obstructions. Please get back to me if you have any other questions.

Kevin

Nov 11, 2010 | Neff Dishwashers

2 Answers

We have a neff dishwasher and the pump is draining all the time (even when the door is open) but there is no water in the dishwasher. Is there a way to stop the pump and reset the setting for the flood...


Hello,
The water which has activated the antiflood device is actually underneath the appliance it is held in the sump tray and this has to be drained before the A.F.D.will cancel.You will have to remove the dishwasher to get at the underneath but when you have got rid of the water you will still have to trace what caused it.The seal on the circulation pump could be a suspect or a pin hole in the drain hose.

Hope this helps.

May 09, 2010 | Neff 24 in. S5409X0 Built-in Dishwasher

1 Answer

Water wont fill


first of all, i'm gonna guess that the water supply under the sink is turned on.
the water you hear is the left over water from a previous cycle. there is always some left in the hoses after it drains, just like your washer.
this is 1 of 2 things. either your float is stuck in the up position or your water inlet valve is malfunctioning. the float is the quick and easy fix. the float is somewhere inside your dishwasher. it tells the water to stop coming in when it reaches a certain height, just like your toilet. it could look like anything, but most likely a cone or a little hat. just grab it and try to move it up and down. it should slide freely. it was probably stuck up and your handling will have solved the problem. we hope.
if the float was ok, the inlet valve needs checked or replaced. it is under the machine and has the water supply line hooked up to it. good luck

Nov 01, 2009 | Neff 24 in. S5543X2 Built-in Dishwasher

1 Answer

Cycle starts but water doesn't fill past heating elements.


I think that the problem is the water inlet valve if the machine is not filling at all.

If the machine is not filling to the correct level, it may be the float switch.

Apr 27, 2009 | Zanussi 24 in. DE6544 Built-in Dishwasher

1 Answer

Neff s5946 slimline built in dishwasher. Fills with water, clonking sound in pipe and does not register on programme, although pump working.


if you only hear the clunking sound while the dishwasher is filling then the inlet valve is bad.. i would replace it because if it fails completely you could possibly have a flood..

Feb 20, 2009 | Neff 18 in. S5943 Slim-Line Built-in...

1 Answer

Water leaks into bottom tray when filling


dear batties,
Such water filling problems can be generally solved by checking the following
  • Inspect the seals for the main tub, float, heating element and blower diffuser
  • Check for overfilling
  • Inspect the water and drain hoses
  • Inspect the door gaskets
  • Check the water inlet valve
  • Check the pump
Also for the mid cycle problems check the following
hope u find this useful. thank you for using fixya.have a great day.

Jul 09, 2008 | Neff Dishwashers

2 Answers

Low water level when"filled" - below heating element


does the water line going to the unit have a filtration system on it?the filters may be clogged.check the wash arm holes for obstructions.it seems to be low water pressure or the solenoid valve that energizes and lets the water flow may be obstructed/defective.if your unit has a float make sure its clean and moves freely.

Oct 30, 2007 | Kenmore 24 in. 17052 / 17054 / 17059...

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