Question about Smeg 18 in. DWF410SS Slim-Line Free-standing Dishwasher

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Residue left leaves food residue on items on top rack ,looks like the spray arm under the rack is not spinnings.

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Re: residue left

Make sure the screens in the unit are clear,also check that the wash arm holes arent obstructed or the arm isnt cracked at the seams.let me know.also is the unit getting hot?

Posted on Dec 13, 2007

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Items in the bottom tray are clean; items in the top are not.

The first thing to check is whether the spray arms are clogged up. Small, hard food particles such as pepper seeds can block the holes. Some spray arms can be removed very easily for cleaning. Our old Kenmore spray arm needed a star-shaped bit. Check the overhead spray arm as well as the ones under the racks. You might also try running Lime-Away through if the inside looks clogged up with calcium deposits.

In our old Kenmore, we had food residue on the top rack when the grinder blade was chipped, broken or obstructed by an olive pit, a date pit or a cherry stone. Don't know why the top was worse than the bottom. A new one cost about $25 at that time and was not to hard to replace, but it is a poor design, since it is nearly impossible to keep such things out of the dishwasher. We replaced the grinder three times in 5 years.

Even though modern dishwashers brag that you don't have to rinse first, it is helpful to knock off seeds and pits that can cause trouble. To save water, have a small vessel of water--perhaps a pan you are soaking--and use a brush to quickly swipe each plate or bowl before loading.

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Not cleaning properly, food residue left mainly on top rack items

Hi, I have an older dishwasher also and recently mywife also complained about it not cleaning right... so me being the man I amtried in vain to clean the things... Bought new spray arms online and installedthem in the thing works like new... However I have also foundthat if the heating element goes bad then that also can mess things up bad...So I would buy new spray arms, and also check out the heating element to makesure it is working... Here is a tip that will help you with the onlinebuying...
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Asker's Testimonial "explanation very clear. will give it a go and see howsimple it was. thanks Ronnie " - ronnieshomes

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2. the little holes in the sprayer arms could be clogged. Need to remove the arms and clean them.

3. If it has a spray arm in the top rack, check to see that the piping for that is not broken or missing any pieces.

4. Any filter screens inside the plumbing could be clogged. This would slow down the spray and result in the dishes not getting rinsed properly. Check the inside of the machine for any foreign objects (see #3 above).

5. The machine might not be emptying between portions of the cycle. After the wash cycle, see if it is draining by either checking for water coming out of the drain hose or by opening the machine before it should start filling up for the rinse cycle.

6. Machine could be overloaded. Or loaded with extremely dirty dishes. Or with foods that are hard to clean like grits or oatmeal.

7. The machine could be improperly loaded. Bowls or platters blocking the spray. Tall objects like glasses and jars should not be loaded into the corners of the racks. The corners do no get a lot of spray and tall items can end up dirty.

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Hello--our Kenmore Elite has been showing exactly the same symptoms.  Since it's under warranty I had a technician take a look at it, in fact he just finished putting it back together: problem was accumulated food and junk around the inlet filter to the pipe that leads to the upper racks.  You can only get to this area by removing the lower spray arm, filter assembly, etc. until you are looking at the sump/chopper area.  Any clogging should be self evident at that point.  
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1 Answer

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Most cleaning problems are caused by the dishwasher not getting enough water. It could be cause of the switch level, which control water level in the tub. The switch level is usually a diaphragm device with a small clear tube attached between the switch and the bottom of the washer's outer tub. I am not familiar with your machine, but if you will open the rear panel you will find it easily. Be aware you should discoonect the power cable !!! Clear the tube (attached between the switch and the bottom of the washer's outer tub) from any obstruction.In case it will not solve the problem, you should replace the switch. Good luck !

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