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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Posted on Jan 02, 2017

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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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It wont clean the dishes. The water is going in I can hear it but My thoughts are the arms are not spinning. I did check and they are not obstructed but its hard to see if they spin. How can I tell if...


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 minutes...now 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

Aug 07, 2011 | LG LDF6920ST Fully Integrated Dishwasher...

1 Answer

The wash spray arms are not turning the water line is free and not pinched water is on wiring is right whats up model its a ldf7920st


This sounds like your motor is not circulating properly, this will cause the spray arms not to operate properly, or at all. Are you receiving any kind of error code on the display? Also, how far is the dishwasher filling up?

Mar 07, 2011 | LG LDF6920ST Fully Integrated Dishwasher...

1 Answer

How do you side mount a bracket in the LG dishwasher? The model number is LDF6920ST. We have a granite countertop, so we are trying to mount the bracket inside the dishwasher as the manual indicated. ...


There is a hole on each side of the dishwasher about 6" down from the top and in-front of the rubber door seal, with round plastic covers in them. Just pop those covers out and the side mounting brackets align with those holes and the screws go into the wood frame. You may have to put some small blocks of wood on the wood frame to take up some of the space between the side of the dishwasher and the cabinet frame. Be sure to drill pilot holes for the screws to avoid splitting the wood.

Jan 22, 2011 | LG LDF6920ST Fully Integrated Dishwasher...

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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