Question about Kenmore 15121 Built-in Dishwasher

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Water level/dirty dishes and traps

What should the correct and/or optimum water level be in the tub of this dishwasher for proper operation? There is water in the bottom of the dishwasher after the cycle completes. 1)checked the hose, it is not kinked 2) not hooked up to a waste disposal. What else could it be?? We also have water in the bottom, and the inside gets moldy and disgusting. Also, there's tons of little bits of food and junk (even with rinsing) all over the top rack things; we practically have to clean everything again ... pretty useless. Also, there's some kind of trap/filter at the top of the door that gets disgusting and doesn't have an easy way to clean it.

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Sounds like the drain pump is not doing its job to recycle the water and allow for replemish of fresh water for the rest of the cycles,try looking closely at pump out system and monitior how fast it disposes of water hope this helps

Posted on May 28, 2009

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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1 Answer

Dishwasher stops working a few minutes after being started


Make sure the water is turned on to the unit first--next, is there water entering the tub? Check the float switch--the round, plastic, "flying saucer" shaped object at the bottom of the tub. Gently lift up on it and carefully listen for a very soft "click" sound. That is the tiny switch underneath working. If something gets trapped under the float switch, the washer won't fill with water. Next, if water is indeed in the tub, did you hear the motor pump running? If it runs and then stops, there might be a problem with the control board--check to see if the drain pump works properly--cancel the cycle and listen for the drain pump turning on and draining out all the water. On almost all dishwashers, at the start of a cycle, the drain pump will turn on briefly to pump out any standing water left in the motor base(you can't see the water but it's there) so it doesn't get sprayed onto your dishes. Then, fresh, hot water enters the tub, when the water level reaches the proper level, the float switch rises, tells the computer enough water is present, then starts the main pump. If the water is not being drained out, try to listen for the drain motor humming. If it is running but not draining, it is probably jammed with food or other debris and must be cleared. If the water is turned on but no water is entering the tub, check the inlet water valve underneath the washer--the water line is connected directly to it. It is electrical and operates on 120v. You will need to carefully disconnect the connector from the valve, activate a cycle, and using a voltage meter, check to see if 120 volts is present. If it is there and no water is entering, most likely the valve is bad. If there is no voltage at the valve, either a wire is broken or the main board is defective.

Jul 30, 2015 | KitchenAid Kitchen Aid Superba Series...

1 Answer

Smeg DI 409CA Dishwasher - Doesn't wash properly, tablet doesn't desolve and cycle lasted all night


Hi,

The first thing is have a look at the instruction manual from HERE

If the dishwasher is not washing properly then please follow these steps:
  1. Check the water temperature. Should be 125 to 140 F.
  2. Check pump re-circulation., Listen, see if it sounds like it is spraying the water around with enough pressure.
  3. Check water level when the fill cycle has completed. Should be just under the heating element. If not, possibly need to replace the water inlet valve.
  4. Check the spray arm and pump cover for splits or leaks.
  5. Check to make sure dishwasher is draining after each cycle. There should only be a little water in the bottom of the tub.
  6. Make sure the dishes are loaded properly, or dishwasher is not overloaded.
  7. Possibly try a different detergent. Some liquid-gels will bubble and a pump cannot pump bubbles.
As you said that the water builds up at the bottom see If it comes out 'foamy' then liquid dish soap is getting introduced into the dishwasher. Liquid dish soap is different than automatic dishwasher detergent. liquid dish soap needs to be COMPLETELY rinsed from anything that has been pre-soaked prior to putting in the dishwasher. after a couple of regular cycles the foam will go away. Nowadays liquid dish soap is also 'concentrated' or 'ultra concentrated' which doesn't help.


If further this does not solve your problem the the only solution is to get it repaired.

Goodluck..

Feb 23, 2008 | Dishwashers

1 Answer

Hi, I am not getting any water going into the machine when I put it on a programme. It starts and when I go back to check it 5 - 10 mins later it says its finished yet everything is still dry and dirty....


It sounds like something may be stuck under your fill switch float. This is usually located near the door, and sits in the bottom of the tub. You'll need to remove the bottom dish tray/basket to get at the float.
Usually, the float is cylindrical, with a magnet inside. It slides up and down a tube which has a magnetic switch inside, which is operated by the magnet in the float traveling by it as the water level in the tub rises and falls. The switch operates a solenoid operated valve which allows water into the tub. This float switch also tells the system when all the water has been pumped out after a cleaning cycle in some dishwashers.
Occasionally, something will get stuck under the float, such as a piece of broken dishware, or a wheel off one of the basket rollers, to name just two items. If this happens when the water level is up, it seems to the dishwasher that there is water in the tub, even when there isn't any, and it proceeds with a wash cycle, but without water, resulting in dirty dishes and a dry inside-of-the-dishwasher.
If you don't find anything under the float, make sure the float travels up and down the tube freely, as it's getting stuck on a dirty tube will cause it to hang up. Clean the outside of the tube and the inside of the float with a piece of Scotch-Brite; NEVER use steel wool, brillo, or anything else which could leave magnetic materials on the float or tube, as they could affect the operation of the magnetic switching operation.
Always check your owner's manual for solutions to this type of problem, and other good maintenance tips.
Good luck!
Alec

Jun 04, 2011 | Dishwashers

1 Answer

Dishes constantly come out dirty.. What temp should the water be while the dishwasher is running?


Supply water temperature should be above 120 degrees F for effective cleaning. Run hot water from your kitchen sink (your dishwasher should be tapped off the hot water line near your sink faucet) right before you start a dishwashing cycle to make sure it's as hot as it can be when the dishwasher begins filling. Also, during the wash cycle the heating elements at the bottom of the tub may turn on and warm the water further even if you select a "No Heat Dry" option causing a noticeable shot of steam to escape if you open the door during a cycle.
Note: I recently had a problem with our dishwasher (Frigidaire FDB834RFS0) causing dishes to come out dirty and the detergent dispenser to be left with undissolved detergent. Our problem happened to be caused by a partially clogged strainer in the water supply valve. (I would imagine Whirlpool most likely has some kind of filter/strainer in its water valve as well.) When the supply valve was commanded to open for some time, I noticed the water level in the tub would barely be visible below the lower spray arm. After cleaning out the strainer (required removing and disassembling the water supply valve) the water level was noticeably higher -- almost at the bottom of the float or about an inch below the heating elements. Our dishes and the detergent dispenser are now clean.
If your water supply is ok, I would next check to make sure your spray arms do not have any plugged holes and that they rotate freely. Also, use a good quality detergent and a rinse aid. We prefer liquid Cascade and Jet Dry. We have had problems with old, stale, or really thick liquid detergents and by getting a fresh jug have solved the dirty dish dilemma.
Make sure to clean out the filter basket at the bottom of the basin below the lower spray arm occasionally as it can clog and cause the pump to starve due to lack of water. If the pump can't get a supply of water to pump to the spray arms and nozzles, your dishes will not get sprayed evenly and you will end up with them being poorly cleaned.
Hope this helps you out...good luck!

Nov 18, 2010 | Whirlpool Dishwashers

1 Answer

Dishwasher cycle runs: tablet is not dissovlved, dishes dirty


If the dry cycle has a problem, check these:

Heating element
Drying fan
Thermostat
Heating element Your dishwasher has an electrical heating element that helps to dry the dishes. If the element is burned out, the dishes won't dry properly, and you need to replace the element.

Drying fan Many high-priced dishwashers have a small fan that blows air or heated air into the dishwasher to speed up the drying process. If the fan is defective, you need to replace it.

Thermostat Some dishwashers have a thermostat that monitors the drying temperature. If the thermostat is defective, the heating element may not cycle on or off properly. If that's the problem, you need to replace the thermostat.

Aug 29, 2009 | Frigidaire Dishwashers

1 Answer

GE Dishwasher - poor cleaning


I believe there is a screen/filter on the water line before or at the water fill valve. If that gets plugged it can restrict the flow. The fill valve can also fail/get plugged and restrict the flow.
Also, dishwashers usually have a level sensor to tell when there is enough water to do the wash. It may be a float inside the tub that operates a mechanical switch or it may have a hose to a pressure sensor. Either type can get greasy/dirty/plugged and as a result cause improper water levels.
Check both the water supply filter/fill valve and the level sensor. One or both of those may be involved.

Mar 10, 2017 | Kenmore Dishwashers

1 Answer

Dishwasher has water left in it when it is done cleaning.


hit the cancel drain cycle. Often times the dishwasher drain hose is not installed properly. It must be routed up as high as the dishwasher as soon as it comes out of the unit. May be also that there was a little regular soap or something that made it sudds up. vegetable oil poured into the dw tub will remove the sudds. After running vegetable oil for about 5 minutes, pour 2 cups of vinegar in to the tub and run it on the hottest longest cycle with no dishes in it. This will clean the residue out and what ever "gunk" may be in the internal parts. Use Only powder detergent. No gel and No tabs. These 2 cause a build-up over a period of time of use and reduce the performance of your machine.

Apr 03, 2009 | Whirlpool 24 in. DU850SW - Multiple Color...

1 Answer

Dishes not clean


water valve under dishwasher that let the water come in is not opening all the way causing either low water level or no water to come into the dishwasher. with out the proper amout of water the soap cant be disolved. replace water val to solve problem

Nov 20, 2007 | Maytag 24 in. MDB6100A Built-in Dishwasher

2 Answers

Water level


Some water in the tub after the cycle is complete is normal. most dishwashers are time filled with a float switch as a safety device. the actual level depends on the fill time and the water pressure. what exactly is the d/w doing (or not doing) to make you think there is a problem?

Nov 01, 2007 | Moyer Diebel 24 in. 501HT Built-in...

4 Answers

Water level


I'm not sure I understand your question. There isn't supposed to be any water left in the tub after operation. If there's any water left it might indicate that the dishwasher does not drain properly. If that's the case - - If the unit is hooked up to a food waste disposer, make sure the disposer is empty. - Check to see if the knockout plug has been removed from inside the food waste disposer inlet. - Check to see if drain hose is kinked. - Make sure cycle is complete, not in a pause.

Mar 22, 2006 | Frigidaire 25 in. FDP750RC Free-standing...

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