Irrespective of the load type (i.e. plates with food residue or without) my dishwasher continually fails to clean the items on the lower and upper trays. Cups & plates are left with food residue on them. I have cleaned the rotating arms, filled the salt intake & rinse aid solution and have also used some of the ''dishwasher cleaning aids'' available from supermarket,,,,but nothing seems to work. Any help welcome or do I just need to get a new dishwasher.
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Just had same problem. Checked and cleaned spray arms filter and impellor. Still had problem. Noticed that it appeared to be expeling water to drain at wrong time. Openned mid cycle and noticed water level low. Took off left side panel to reveal pipework. Main pipe route big oblong in clear plastic had a red valve at the top which was gunged. This was the air release so when water is pumped in air has nowhere to go so it pushes water out through the waste so ther is too little water in machine. Removed this component and used caustic soda to dissolve food waste blocking valve as there is no access. Put it back together and now it works fine. Took about 2 hours (1 hour for caustic to work) no special tools other than star screwdriver required as it all unclips.
The filter systems on the Maytag line of dishwashers which includes Jenn Air is very fine. In most causes the pump needs to be torn down and washed in a sink and a shop vac is also a great tool I use to clean the rest of the pump out that will actually stay in the dishwasher. The spray arms also need to be cleaned in the sink. Check your drain line under your sink as well and make sure that the drain line coming from the dishwasher has a high arch or bend that is higher than the base of the sink. This will prevent sink water from backing up in the dishwasher which can be nasty. Also make sure to run your hot water to the sink before starting a cycle to assure hot fills and the water temp. is best if set at 130 degrees on your water heater instead of 120 or 125 degrees. I hope this is helpful. This kind of problem can be agrivating to solve at times. Scott (North Caolina)
No matter how well you rinse wares, some food particles will always go into the machine. Sometimes these particles can build up and lead to what you describe. I would start by inpecting the wash tub area; remove screens, remove wash arms and clean as needed. You are looking for any residual food soil which would harbor bacteria. If all else fails, follow your nose!
Once everything is as clean as you can make it, then purchase a product for cleaning/deliming your machine. One I know of is called "Dishwasher Magic" which should be available at most appliance repair stores. Run this through the machine on a long or heavy cycle. Once complete, run a second cycle with nothing but water to rinse any lingering chemistry.
Lastly, for a 3rd (and final) cycle, add a cup of bleach to kill off any remaining odor-causing bacteria. But, DO NOT SKIP THE RINSE CYCLE mentioned above.
This should take care of the problem,