Question about Neff 24 in. S5543X2 Built-in Dishwasher

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Pump is constantly running - trying to pump out water, although there is no water in the tank. This condition remains the same AT EITHER AND ANY reset positions of buttons ABC or programme buttons. Programme END indicator is NOT lit, LOW SALT indicator lamp is ON, LOW RINSE-AID indicator lamp is ON. No apparent blockages. Supply water water is on and free flow.

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  • Neff Master
  • 2,605 Answers

Hello, welcome to FixYa.

Based on your description it sounds like the emergency overfill switch has been actuated.

Here`s what to do and what to look for. ( unbeknownst to many this is built by B/S/H/...or better known in north america as BOSCH )

**Turn off the breaker/power at your homes service panel...safety first of course**

Remove the the bottom panel, referred to as a toe panel or kickplate, essentially the lower service panel.

When you remove the outer toe panel, (typically black in color, though sometimes white depending on the model, customization etc.) there will be another small "L" shaped panel which is non finished steel, I find removing that allows much easier access as well.

This panel can be somewhat more difficult as it secures the plastic channeling for the wires but if you observe closely you`ll see it does "snap" out of place...carefully.

Once the panel has been removed check for any obvious signs of water in the base ( the unit has a plastic overfill basin with a float which will actuate an emergency overfill cycle, hence the drain pump runs & runs )

If you don`t witness any water in this area, direct your attention to the left in this basin/bottom ( from the front to be sure ) and you should see a device which will resemble a "stir stick" you`d use for coffee etc. it will be a red in color stick.

With the aid of a wooden spoon, long screwdriver, or if you can manage to reach by hand, lift it up and down gently and listen for a "click".

If there is no sign of water and you can here the "click" when lifting up and down the float actuater ( red stick ) then turn the machine back on and give it a try before reassembling the toe panel so you can observe for any possible leaks.

Let me know what you find. This is the most likely cause of the symptom you are describing so we can move forward if this doesn`t resolve the issue.

Thanks for choosing FixYa.

Good luck.

macmarkus :)

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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I have a 36 gallon utilitech water tank hooked to a 1/2hp shallow well jet pump my pump runs constantly and I think it's because my tank has no water in it any help would be greatly appreciated


do you have a pressure tank or what, are you doing a gravity type deal with a pump to back it up, all pumps need pressure tank too. or your pump will constantly be on or your tank fill hole is not tight a pump is designed to trip the breaker if it wired direct, if it is not wired direct like wired to an extension cord, then who knows what it will do burn up I imagine if it is constantly going on without water pumping thru it need more details

Nov 17, 2015 | Jet Plumbing

1 Answer

New Goulds 1/2hp water pump w/Square D switch goes on by itself for ten sec. Then off for 5 sec and on for 2sec. 2 minutes later it does it again.Adjuster nuts do nothing to stop it going on again...?


if you are using a pressure tank, that condition is said to be a water lag. Try to drain your pressure tanks using the following steps,
1. remove the drain plug of your pressure tank. (in most cases it is located at the tank bottom just be aware that there might be a pressure still on the water inside your tank so just remove it slowly).
2. remove the pressure gauge using a suitable open wrench.(this is to remove any standing water inside your pressure tank.Same principle as the 2 holes on a can of milk)
3. after all the water has been drained reinstall your drain plug and your pressure gauge.
4 put a water priming on the pump if necessary before starting your motor again.
The condition above is condition 1, if in case you are using a pressure tank.

We will now discuss condition 2 wherein there is no pressure tank installed on your water system.
Your motor can easily run because there is no enough water to use inside you pipeline since there is no pressure tank on your system. In this case, try to install a pressure tank so there will be enough water pressure build up on your tank before using the water on any water faucet.
Also try to check for water leakage along your water pipeline since frequent motor running when not in use of any water faucet means that the water is wasted on some parts of your pipeline.
Good luck and I hope I've enlightened you.

Nov 14, 2015 | Plumbing

1 Answer

Hi I keep getting an error message "F27" on my


F27 OVERFLOW CONDITION
If the overflow contact on the pressure switch is closed for more than 60 seconds, an Overflow Condition occurs. In an
overflow condition, the door remains locked and the drain pump runs constantly, even if PAUSE/CANCEL is pressed twice and the display is cleared. Turn off hot and cold water faucets and unplug the unit before servicing.
1. Check the drain hose and make sure it is not plugged or kinked.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the drain pump, pressure switch, water inlet value, and Central Control Unit (CCU).
4. Check/clean drain pump filter of foreign objects.
5. Check for drain pump failure.
6. Check the inlet valve for proper shut off.
7. Check the pressure switch for proper operation.

Aug 31, 2011 | Bosch Axxis WFL 2060 Front Load Washer

1 Answer

Grundfos JPF4A pump. takes a long time to get up to prime then once it kicks in after running water it gets to 50 shuts of but drop pressure instantaneously and kicks back in again. The constant on off...


The check valve is bad. When the system builds up pressure and shuts off the check valve prevents water from dropping back down the well line. When the check valve goes bad water drops back down the well line and siphons water back out of the well tank causing the switch to kick on and off constantly. The check valve will between on the well line coming from the drop pipe. It may be making a constant rattling noise as pump is running. Replace the check valve and you should be fine. Also check the pressure in bladder tank it should be 2psi below the "cut-in" pressure for the switch.
RJ

May 22, 2011 | Grundfos Plumbing

1 Answer

I have an f27 error on my washing machine. Can you explain to me where the pressure switch is? I have the front, back, and top off of the machine.


Error code f27 is OVERFLOW CONDITION.----------
If the overflow contact on the pressure switch is closed for more than 60 seconds, an Overflow Condition occurs. In an overflow condition, the door remains locked and the drain pump runs constantly, even if PAUSE/CANCEL is pressed twice and the display is cleared. Turn off hot and cold water faucets and unplug the unit before servicing.----------
Check:----------
1. Check the drain hose and make sure it is not plugged or kinked.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the drain pump, pressure switch, water inlet value, and Central Control Unit (CCU).
4. Check/clean drain pump filter of foreign objects.
5. Check for drain pump failure.
6. Check the inlet valve for proper shut off.
7. Check the pressure switch for proper operation.
----------- This should help.Thank you.

Jan 25, 2011 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

The machine is not filling with water than it shows F09 and then FA on screen. Its a 6th sense and about 4 years old



Hi,

Error F09 means Overflow Condition

If the Overflow contact on the pressure switch is Closed for more than 60 seconds and Overflow condition will occur. In an Overflow condition, the Door will remain locked, and the Drain Pump will run constantly, even if PAUSE/CANCEL is pressed twice and the Display is cleared. Unplug the unit to service.


Thank You

Sep 06, 2010 | Whirlpool Washing Machines

2 Answers

The pump goes on and off repeatedly


The pump should only run if you are using water. If you have a leak it will cycle on and off. If it only cycling fast when you're using water, you may need an expansion tank, sometimes referred to as a bladder tank for newer style. If you have a "bladder" tank , the bladder may be leaking and lost it's air charge. This bladder will have an initial air charge, and when the pump runs it will compress the bladder even further. When the pump shuts off the bladder is compressed. When you begin to use water, mainly low flow like one faucet, the bladder will begin to expand expelling the water from the tank until the pressure drops below that of the pump pressure switch. This makes the pump start and stop fewer times.

Jul 05, 2010 | Flotec Corrosion Resistant Shallow Well...

1 Answer

No water from drilled well, intermittent.


1-If everything has been replaced can you turn water off and check air pressure in the water storage tank. the bladder may be leaking and causing it to work some. A 40 gal tank should have about 28 psi of air in it. Also you can press on valve at top of tank to see if any water comes out will let you know if it's bad. Air should come out at top and no sign of water from valve on tank..

2-When you changed pumps did you replace the check valve in top of pump. Some pumps I have had to pull back up and add a check valve to pump.

Most pumps have a check valve on top with a retaining clip holding it in. And they work sometimes and some have to be removed and add a brass check to pump and connect to water pipe.

May 19, 2010 | Plumbing

1 Answer

Gould 1/2hp submergible well pump cycles on and off constantly. low to no water pressure .The pressure switch remains in the closed position. Power to pump side of pressure switch good. pump runs 15...


My first thought was that of a water logged tank which causes short cycling, from your notes the tank is good (the tank may be partially water logged though) If the tank is ok and your getting short cycling (and the switch is good) I would guess your check valve down the well has failed. As the pump creates pressure then shuts off the water may be going right back down the well causing the pump to cycle again. This could also account for the poor water pressure as the check valve may be stuck slightly open allowing the system to loose pressure but only allowing a small amount of flow by when running. There could be a leak within the pumps drop-pipe and your loosing pressure through this leak. I expect you'll have to have the pump pulled.
I hope this may have helped,
Tom

Oct 10, 2009 | Plumbing

2 Answers

My Washer is flashing an error message. F27


Error code f27

OVERFLOW CONDITION
If the overflow contact on the pressure switch is closed for more than 60 seconds, an Overflow Condition occurs. In an
overflow condition, the door remains locked and the drain pump runs constantly, even if PAUSE/CANCEL is pressed twice and the display is cleared. Turn off hot and cold water faucets and unplug the unit before servicing.


Check

1. Check the drain hose and make sure it is not plugged or kinked.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the drain pump, pressure switch, water inlet value, and Central Control Unit (CCU).
4. Check/clean drain pump filter of foreign objects.
5. Check for drain pump failure.
6. Check the inlet valve for proper shut off.
7. Check the pressure switch for proper operation.


Good luck

Oct 02, 2009 | Whirlpool Duet GHW9150P Front Load Washer

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