I have a double sink and when running water into the right sink, closest to the dishwasher, the floor of the dishwasher backs up with water and it has flooded several times. my brother tells me there is a s-trap under the kitchen sink. could this be the problem?
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Try throttling back (reducing the water flow) the valve that feeds the machine. With the sink tap/faucet running the pressure into the dishwasher is reduced. Is the feed pipe kinked or blocked in some way as there might be a sensor in the machine that doesn't like it when water is "jetted" in under pressure. It would act like putting your thumb over the end of a hose when washing a car.
if low pressure is only on the dishwasher and not sink.check both hoses going to dishwasher for clogs,rubber washer out of line or debris .if low pressure is only at sink ..you could also remove faucet filter ring at tip for sediment or debris .or lastly check valve under sink cabinet that feeds both sink and dishwasher
You could have a leek in the trap under the bench, (the drain plug)
Check the trap is tight,
Check the drain pipe is connected to the sink correctly
Maybe the water is leaking through the bench (there might be a gap / hole in, or on, the side of the bench) some sika sealant could fix this.
Hope this helps, don,t forget to rate or add a comment
Standard garden hose has same threads/adapter size.for trouble shooting run garden hose to washer try running cycle. Give it 20 minutes to finish previous cycle as it may not be trying to run what appears on settings. Water won't fill unless cycle that will allow such is chosen and active.
Check your drain hose to where it connects under the sink. If it is connected to the garbage disposer, and not looped upwards before it runs back to the dishwasher, it may just be drain water from the sink running back to the dishwasher. Even if it hooks up to a "t" spout under the sink, and the drains run a little slow, water can still run back to the dishwasher. The ideal set up is to have it connect to the drainage, run up behind the bowls of the sink, and then back to the dishwasher. If this is not the answer, then you may have a defective fill valve that is allowing water to seep into the machine (very unusual in dishwashers). Also note that water valves require 23 psi of pressure to seat closed and if the incoming pressure is less than that, even a new valve may have the same issue. Good luck and let me know how you make out, and if you have any other questions. Bob
Your dishwasher may pre-heat the water. If so, and if the water entering the dishwasher is cool, the heater may take up to half an hour to heat the water.
To avoid the wait, increase the incoming water temperature before turning on the dishwasher. Do that by running the kitchen sink faucet until the water runs hot. Or increase the temperature of the hot water to the entire house at the hot water heater.
Timers don't often fail. But if every other part of the dishwasher seems to be working properly and the timer knob seems to be stuck in one place--doing one function continuously--the timer may be at fault. Dishwasher timers can't be repaired. If yours is defective, replace it.
The easiest thing to do is check the water valve to make sure it's turned on. The water supply valve will be in a cabinet next to the dishwasher. There will be a tube that runs into the area behind/under the dishwasher. The valve will probably be under a sink. There are also waters valves that supply the faucet. There's a chance that the dishwasher water line will be connected to a splitter on the water line that connects to the faucet. Your dishwasher will otherwise have an independent valve. Turn the valve handle counter clockwise until it stops, making sure the water is on. If the dishwasher still won't fill, see if you can find a float inside on the bottom. This float should move up and down freely. There may be a spoon or something stuck under it. If the dishwasher has electronic controls, you can try cutting the power for a little while to reset it, holding down a stop/cancel button, or running a cycle that you don't usually run. One of these methods may be able to clear an error state if it exists.
Try turning on the faucet by the dishwasher and let the water run until it gets hot. Once this is done turn on the dishwasher and see if the water is warm or hot. Most dishwashers do not heat the water (residential dishwasher) they take the hot water from the hot water side of the sink. If the water heater is located a distance from the dishwasher then the cold water fills the dishwasher before the hot water can make it to the unit. This should cure your problem.