Sounds like a plugged drain pipe to me. Remove the dishwasher drain pipe under your sink and attach a wet dry vac to the drain pipe, then see if you can evacuate your dishwasher using the vac. Make sure all the drain screens are clean and start the dishwasher discharging into a pail, if this works clean the plumbing drain under the sink
SOURCE: Viking Dishwasher
Probable cause is either a bad fill valve, common with these, or just some debris in the fill valve inlet screen, also common. If you are handy you can take apart the fill valve and check the screen but often one needs to replace the whole valve, about an $80 part + labor. Double check your valve under the sink and make sure it is on completely.
SOURCE: wont fill with water
Clean the floats inside the wash tank. If they get fouled, they will "trick" the machine into thinking it already has water in it
SOURCE: BOSCH dishwasher SHU5302UC12 water will not fill
was the safty tab on the inside of the units water receiver removed?
SOURCE: ran without water will not fill now
Try unplugging the machine for 30 minutes then plugging it back in. I am worried that the pump is bad due to the fact that it needs water to add resistance to work properly and without water the pump spins so free the it burns itself out. But first try unplugging the dishwasher first
SOURCE: dishwasher wont fill with water
Make sure you get water to the dishwasher. Check to see if the water shut-off valve (located under the sink) is open. If you get water to the dishwasher, but there is still no water inside during the fill cycle, the problem might be with a faulty water valve (located at the bottom of the dishwasher, behind the kick panel, on either side), in which case replace the water valve.
Two things to consider....clean water or
dirty water?
Clean water usually indicates the fill valve
is not shutting off all the way and the fill valve is "weeping" water
in all the time = new fill valve time!!
Dirty water usually is not a dishwasher
problem but more of a plumbing issue. Often the sink drain that carries the
sinks water outside is not fast enough and some of this sink water is backing
up into the drain hose and filling up the dishwasher through the drain hose.
The drain from the sink to outside needs attention as this type of a problem
indicates a slow house drain for that sink.
The dishwasher drain line should be clamped to the top underneath part of the counter before entering the sink drain plumbing, this may help the water from coming back inside the dishwasher.
Hi
If you are noticing that the dishes are not clean, then there are a few things to check for. Check the soap powder if it's kept in a dry environment. Also try replacing the powder with something like a gel or liquid. Next thing to check for is the water pressure and fill valve. Check if the water is filling in and the spray arms are throwing the water with enough pressure. Try and listen to the sound if you hear a proper spraying action sound. If it seems as a low water pressure then check the fill valve.
Now, check if dishwasher is draining the water or not. While the dishwasher is working check whether the dishwasher is draining and there is not much left out water after the cycle is complete.
Dishwasher not draining issue usually occurs due to kinked drain pipe, clogged drain filter or drain pump. Check the drain hose for any visible clogging, remove if present. If no visible lint is present then remove then turn off the dishwasher and remove the drain hose and check for any visible clogging. If still not visible then the drain filter or drain pump is clogged and you'll need to clean the drain filter and drain pump.
The water temperature plays a major role in cleaning of dishes. The temp should be between 125 and 150 F for dishwasher to clean the dishes.
Hope this helps...
Daniel
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