Dishwasher overflowed out of d/w during wash cycle; not draining
In recent weeks, d/w has been depositing more and more grit on the dishes on the top shelf, and has begun leaving (soap?) residue on the dishes on the bottom shelf also. Last night it overflowed onto the floor during the wash cycle. We stopped the machine, and bailed out some water, but the d/w drain is still not working and a day later, the water is still standing in the bottom of the d/w.
Is there an open/close valve that may be broken or stuck? Is it possible that the only problem is a totally clogged drain?
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Sounds like the drain is plugged up. What have you tried so far? The easiest way to fix it is to use a shop vac and try to pull the " gunk" out that way. The next solution is to try a dishwasher cleaner. These come in liquid or tablet form. You just put them in the dishwasher ( no dishes ) and run a full cycle. It should break up the "build up ". If those ideas don't work, you'll need to take the covers off the bottom of the dishwasher. These are generally found at the very back...they cover the pump area so that cutlery, large items of food, etc can't slide down. These can usually be taken off with a small wrench, pliers, or socket wrench. Once these are off, you should be able to see what's causing the blockage. If all these fail, the problem may be further down the line...especially if you start having toilet and sink issues.
If it drains during the other stages of the cycle it sounds like there is a faulty control that tells the unit to drain at the end of the cycle. If it is not draining during any of the stages of the wash cycle it may be a faulty pump.
I would suspect inadequate venting causing the traps to empty, if the toilet is plumbed near the tub and the vent stack was not used then it would cause the water to be sucked out of the trap during flush. If the trap for the sink was inserted too far it can block off venting in the vertical run of pipe. (I once saw an entire rental property with this issue). If the tub needs snaked it can also cause this problem as part of the venting may be tied to the tub. Hope this helps.
The problem may be in one of several places, here's a list of things to try, starting with the easiest and progressing to more difficult:
1. Run your hand around the bottom of the pool in the dishwasher looking for paper or cellophane that may be covering the screen of the drain.
2. Disconnect the drain hose from under the sink (get a bucket and rags) looking for a clog at that point of connection. Run the dishwasher drain cycle while you have this hose pointed into a bucket - if nothing comes out, the problem is between points 1 and 2.
3. Partially remove the dishwasher so you can get to the drain hose where it connects to the dishwasher. Temporarily put another drain hose on it, with the other end in a bucket. Run the drain cycle of the dishwasher. If it comes gushing out, the drain hose is clogged. If it still won't drain, your will need some disassembly of the drain & pump.
You say that it doesn't leak during showers. The next step is to plug the drain 100% so no water will drain thru the drain assembly. Fill the unit up to just below the overflow drain and leave overnight to see if it could be leaking from the outside of the drain plug assembly or leaking from the jets/drain from the whirlpool feature. If was just recently installed was it professionally installed. Should be covered by warranty.Try this then if its not determined what the cause we will go to the next level of investigating what it could be.in it peak all around to see where the water is comming from. Use a flashlite so your not kneeling in mosture with a electrical light in your hand!!! Good Luck!
Without seeing it and assuming the dishwasher is functioning properly, the drain hose from the dishwasher to the sink drain might have a kink in it from when the put in the new sink.
You should be able to visually look at this under your sink.
Get back to me if you need more assistance
Put plumbers putty around the flange that will be in contact with the sink. When you put it into the hole, try to line up the overflow as good as possible. The nut that goes onto the bottom (tailpiece) has a rubber gasket that will go between the nut & the sink. Adding some plumbers putty here won't hurt. After all is secure, just remove the putty that squeezed out from tightening.
Over a period of time deposits such as grease, fat, silt and mineral scale build up on the pipe walls. This accumulated material makes the wall rough reducing the ability of the drain to rapidly move the water it contains. As the water flow slows more materials are deposited worsening the situation.