Question about Neff 24 in. S4456 Built-in Dishwasher
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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Posted on Jan 02, 2017
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.
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
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
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
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
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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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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