Question about LG LDF6920ST Stainless Steel 24 in. Built-in Dishwasher

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LG LDF6920ST Bottom spray arm dose not work

Bottom spray arm dose not work. Top works great

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The LG LDF6920 dishwasher has an innovative "Vario" motor/check valve. It switches between full power spray on the upper arms and the lower arm. So, if you are looking inside the dishwasher to see which arm is spinning, you just have not opened it when the lower arm is turning.
if the root problem is that your dishes are not getting clean with this water conserving DW, go out and buy a name brand detergent powder - like Electrosol or Cascade. And use less powder then you have been using.
Good Luck!

Posted on Apr 07, 2009

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My dishwasher isn't washing the dishes on the bottom rack? The silverware is clean and the top rack ins clean..


make sure the lower spray arm is free from objects in the ports and spins freely. If you still have a problem LG is offering some customers an pump upgrade free of charge depending on the age of you dishwasher

Sep 01, 2011 | LG LDF6920ST Stainless Steel 24 in....

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LDF7932ST LG dishwasher top and bottom arms not turning. Diagnostic test mode "power+spray+ rinse" does not work.


I put a new lower spray arm and very little water comes out of it. There is quite a bit of water that comes out of the middle and top. The top does not spin but has quite a bit of water and the middle spins really good.

Jun 25, 2011 | LG 24 in. LDF 7811 Stainless Steel...

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My LG LDF6920St has not been cleaning very well recently and there was an odor and grease left in the bottom after a wash. I pulled it out and found the Float Assembly pretty clogged and dirty, which I...


1 Scrape and rinse dishes before putting them in your appliance. Small food particles, grease, sauces and bones clog up the system, keeping the dishwasher from properly rinsing your dishes. You don't need to prewash the dishes but be sure to rinse off any solids.
2 Use a toothbrush to clean around the dishwasher door.
Clean around the seal and hinges of the dishwasher. This area often is forgotten and holds a good deal of bacteria and food splash. A tooth- or bottlebrush is the best way to get into the crevices.
3 Clean chunks of food out of the screen and drain at the bottom of your dishwasher, recommended The Family Handyman. If the drain is plugged, the dirty water can't be washed away and ends up back on your dishes. Nut, bean and seafood shells, bits of plastic and small dishes can lodge against the drain, keeping it from doing its job.
4 Unclog the holes in the sprayer arms. If the holes are blocked by food or soap, water cannot freely spray inside the dishwasher to thoroughly clean the dishes. Leftover food on the dishes can make the dishwasher smell.
5 Keep space around your dishes. Overloading a dishwasher keeps it from running efficiently, allowing gunk to build up around the drain and the spray arms.
6 Run your dishwasher as hot as possible to break down food and grease. The recommended temperature is 120 F.
7 Run the dishwasher with vinegar added to neutralize odor. Empty the dishwasher, place a dishwasher-safe cup filled with white vinegar on the top rack, and run a cycle at the hottest setting. If you prefer, use unsweetened lemonade powder or baking soda in place of vinegar.

Jun 21, 2011 | LG LDF6920ST Stainless Steel 24 in....

1 Answer

The dishes on the top rack are not cleaning at all. The sprayer arm is not rotating. The jets are all clear of debris. And of course, warranty just out.


Hi


Please check if something is blocked near the top spray arm, also make sure that all holes are oopen. Use a sharp metal pin to clean the holes on the top spray arm. Make sure the water pressure is not low.

under the screen and youl'll need a Torx driver to get to it after you remove the spray arm and screen. Check to see that the path it travels is clear. I have seen these get blocked up by stuff.

Now check if the top arm spins freely and check the bearings for the arm, if they are producing extra friction while the spray arm spins. Hope this helps... Please post back if you need more assistance.


Dec 13, 2010 | LG LDF6920ST Stainless Steel 24 in....

1 Answer

The top two water water arms do not spin


These spray arm will only get water several times in the wash and rinse cycle. They do not turn at the same time the lower (bottom large spray arm under the bottom rack).
There is a chamber that diverts water either to the bottom sprayer or to the top sprayers, not to both at the same time.
If your top spray arms never get water, then there must be an issue with that chamber motor to divert the water. A new sump assembly that has all the new parts.
Good luck.

Jul 19, 2010 | LG LDF6810ST Stainless Steel Built-in...

1 Answer

LG model LDS4821ST.... Top and Upper spray arms arn't rotating.


I have an LG LDF8922ST model with the same exact problem (16 months old as well). I think you are right about the vario spray system. Seems like the repair guys that come out are clueless and get very little assistance from LG customer assistance. I will never buy another LG product again.

May 28, 2010 | LG 24" XL Tall Tub Built-In Dishwasher -...

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Bottom sprayer does not clean or work, all items on bottom are the same as put in. Top is fine. runs through whole cycle.2 hr 29 min


Check the free rotation of the spray arm. If arm jets are clogged clean them.

After placing the dishes see to it that, the arm is freely rotating without any obstacles.

May 20, 2010 | LG 24 in. LDS 5811 Built-in Dishwasher

1 Answer

Not cleaning on top rack. Pump, fill tube asm. & spray clean. Has any seen if this issue could be the deverter motor in the pump or the control board?


Just to review, the LG dishwasher family, including the LDS5811 has the Verio motor and the check valve that diverts water from the bottom rack to the top rack.

If the valve is blocked/jammed, this would cause the symptom you describe. The valve is visible from inside the DW after you open it up.

It is also possible that this motor has failed.


Apr 20, 2009 | LG 24 in. LDS 5811 Built-in Dishwasher

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