Today, dishwasher started overfilling, and spilling water onto the floor. We turned off the water supply and let the dishwasher finish its cycle, turned on the water, started another cycle and it began to overfill and spill onto floor again.

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Most likely the water valve is bad.

Remove the front panel. Pull the plastic hose off the air bell on the front left side of the tub.
Use a toothpick to clean the residue out of the hole in the air bell. Replace the plastic tube.
Set the washer on SPIN and turn it on. After the spin cycle finishes start the washer normally.

Hi

F1 code indicates an overfill condition which may cause when dishwasher can’t pump out dirty water due to a plugged drain hose.
open dishwasher fully ,dry up as much water as possible then put a hair dryer on hot and direct into the back of the cabinet you will see a grey plastic cover on the bottom floor this is the sensor run on full for about 5 - 10 minutes making sure the heat go into that area. Also don’t overheat your hair dryer, when finished close the dishwasher shut and start your normal cycle.

Thanks for contacting fixya.com

There is a float in the bottom of the tub that is supposed to rise with the water level and tell the machine when it is full. It looks like an upside down teacup, or a little sombrero and should be near the door, but off to one side.

This float might be snagged on something- remove the bottom rack and check for debris (food, utensils, hair, string...) in the tub. Also make sure there is nothing in the rack that is hanging down over the float. With the machine empty try to raise and lower the float with your hand.

If the float appears to be going up and down then check the electrical side of the switch with a continuity tester (ohm meter). It should go from no resistance to open circuit and back again when you move the float.

If that is okay check the wiring and wire ends for frayed wires or corroded terminals from the switch to the controller.

Last item is it could be an issue with the controller.

Sounds like the seal has gone

Hi,

Don't know Euroart. However I would bet it is a Chinese manufactured product with European aspirations.

Anyhow, if the machine keeps filling up there could be a problem with either your inlet valve/solenoide. Sometimes the solenoide sticks and does not shut the water off.

Or alternatively your pressure switch or pressure hose has a problem. If the pressure hose has come loose then the pressure switch does not detect water level.

Hope this helps.

Regards
Ash

Are you saying it overfilled and flooded out, or did it empty onto the floor?

try this put a half cup of cooking oil in it and let run through its full cycle without dishes in it this will get rid of all built up soap that form through out the years

by the sounds of it.i think the water inlet valve that lets water into the machine has gone faulty leaving water slowly seep into the machine, you could either replace this valve..or a cheaper solution if you can access the rear of the machine most water supplies would have a small value installed on the incomming supply,you could simply turn off the water till the next time u need to use it.