Question about Dishwashers

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Why does dishwasher let water in when not in use?

When not in use, water enters and then leaks from overflow valve

Posted by Anonymous on


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  • 136 Answers

Tap water is routed to your dishwasher through a solenoid valve
this valve is spring loaded ,when the wash cycle needs water the solenoid is activated opening the valve and water enters when water is no longer the solenoid is deactivated and spring pressure closes the valve
in your case either some dirt has managed to stop the valve from closing completely or the valve has become in some way damaged
the quickest remedy is replacement.


Posted on Oct 14, 2014


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  • 116 Answers

SOURCE: No water in dishwasher

You need the check the water level switch which is located on the diaphram of the water fill assembly. This is located on the laft side of your machine behind the metal panel. if this switch sticks it will not allow water into the machine

Posted on Mar 11, 2007


Dov Dror

  • 641 Answers

SOURCE: Ariston LS 620 A Dishwasher

Since, the pump doesn't stop working, it sound like a water level switch issue. The switch level is usually a diaphragm device with a small clear tube attached between the switch and the bottom of the washer's outer tub. I am not familiar with this specific machine, but if you will open the rear panel you will find it easily. Clear tube first from any obstruction, In case it doesn't help, disconnect the wires from the unit (you should disconnect first machine's power cable !!!!!) and measure with a multi-meter on its tugs for continuity and disconnection while you are inhale and blow to its tube. In case it doesn't react, you should replace it. Good luck !

Posted on Aug 13, 2007


  • 9 Answers

SOURCE: Miele g841sc dishwasher leaks

Typically the machine only uses 5-6 quarts of water, If you're floor is getting 1 or 2 quarts check for a loosly connected intake or drain hose. I've never seen any overflow drain on a Miele. It only fills the bottom of the tub. The machine uses a logic program that continuously checks the level of fill and drain by water pressure weight so it always runs with proper amount, even if your intake pressure is weak. Now, If you add too much soap then the bubbles can carry a few ounces over a worn door seal. If the seal is damaged then more spray arm water can run down the front of the machine into the float pan. But after it gets less than a pint of water the drain float will start thr drain pump and shut-off the machine controls and alert you. It won't let you run the machine until the water ( and the problem) is gone. Call Miele for help.

Posted on Apr 20, 2008


  • 3 Answers

SOURCE: Water keeps running into dishwasher

It looks like your inlet water valve is stuck after it powers on which means you have to replace it. If you can provide me a model and serial number of the dishwasher, I can provide you with the correct part number and a breakdown diagram. You can find the model number on the door frame of the dishwasher.

Post it back

Posted on Sep 13, 2008


  • 3 Answers

SOURCE: Dishwasher does not drain, instead drains through overflow valve in sink. No apparent clog seen.

Usually the sink connection is not an overflow, it is the main drain from the dishwasher. It is more likely your s-bend is blocked under the sink- try putting a bucket under it and unscrewing the u-shaped piece and cleaning out (remember don't wash it in that sink while the pipe is off)

Posted on Apr 27, 2009

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Water Inlet Valve If the washer is overflowing and power is shut off to the washer, the water inlet valve has failed. Replace it.
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Low Water Pressure from House Supply If the washer is overflowing the water pressure to the water inlet valve might be too low. The water inlet valve requires a minimum of 20 psi to shut off properly. If the pressure is lower, the valve may not close fully when the power is shut off. This results in the valve leaking water into the washer and causing it to overflow.


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Water leaking from overflow.

This is not an "overflow". It is a Temperature/pressure relief valve. Sometimes they leak with age or build up solids in valve preventing them from closing completely. This is the single most important safety device on your water heater. If one of the thermostats is malfunctioning, the TPR valve will relieve. If the pressure rises too high, it will also relieve. You can replace the valve, but be sure it is the same temperature and pressure rating. You will need to turn the water off and drain some of the water prior to removing the valve. Don't forget to reinstall the down pipe that directs floor to floor or drain. If a new one leaks also, suspect your temperature control. Water heaters can be bombs if the safeties are not working properly


1 Answer

One of the valves controlling the cold water into the machine leaks water slowly into the washing machine filling up the drum overnight so that it starts to overflow. Can this be repaired or can a...

you can buy/replace the valve, no problem, what is happening is the armature in the valve is lifting causing the water to enter the machine, if you take valve apart you should see the rubber plunger is jammed in the open position, you can trim to fit

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My dishlex dishwasher overflows

The only part that physically allows water to enter a dishwasher (upon receiving power from the control) is the inlet water-valve. I would test the inlet water-valve located directly where you in-coming water line is connected to.

Shut-off power to the dishwasher and remove the 2 prong connection to the water-valve solenoid (small, black, batter size). Test the solenoid for continuity; if bad, replace the entire inlet water-valve (cost about $20)

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