Model #LDS4821ST LG Dishwasher

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  • Sump Assembly Parts
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Troubleshooting

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Question and Answers

Q:

Leak via blower vent LDS4821ST Lg Dishwasher

A:

Thanks for your question- we see that no one from the community responded.  If you still require assistance on this topic, please resubmit your question with any updated information and we will have one of our experts take a look.  Also, we have updated our site to include information regarding common repairs and diagnosis, which can be found here: www.searspartsdirect.com/repair-help.html.  If you are looking for your owner’s manual, it can be found here: http://www.searspartsdirect.com/partsdirect/user-manuals.  Thanks for visiting SearsPartsDirect.com.

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Sherman_G_Wallace -
Sears Technician
May 14, 2014
Q:

LDS4821ST dishwasher not heating in dry cycle LDS4821ST Lg Dishwasher

A:

Thanks for your question- we see that no one from the community responded.  If you still require assistance on this topic, please resubmit your question with any updated information and we will have one of our experts take a look.  Also, we have updated our site to include information regarding common repairs and diagnosis, which can be found here: www.searspartsdirect.com/repair-help.html.  If you are looking for your owner’s manual, it can be found here: http://www.searspartsdirect.com/partsdirect/user-manuals.  Thanks for visiting SearsPartsDirect.com.

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Natasha12 -
Sears Technician
May 13, 2014
Q:

Not cleaning

A:

Dishwashers work hard so we don't have to so I can understand wanting to get this dishwasher back to smooth operation. The expert will review and respond to your model and symptoms but if you care to check the two links below you might find some additional help.

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Barbara H. -
May 21, 2011
A:

Hi Kevin,

Thank you for submitting a question to Manage My Life.

I know how frustrating it can be when appliances do not function properly.

If you are sure the top spray arms are free of debris and are not binding, you will need to run a test mode. I am including an image below that will step you through this. Remove the lower spray arm, spray arm holder and filter assembly, and then run the test. NOTE: Make sure you allow the dishwasher to completely fill (when you press the rinse button the fourth time) with water during fill portion of test. I also included an image below that shows the parts you need to remove and the check valve.

During the test when you press the rinse button the tenth time the check valve should move one direction, and the when you press the rinse button the eleventh time it should move the other direction. If not check to see if the check valve is in a bind, if not you may have a bad diverter motor. You may have to manually close the door switch to run these checks.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

I hope this is helpful. Check the things I have covered here and if I may be of further assistance as more details become available, please reply to this post.

Thanks again for using Manage My Life.

Landell

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Landell -
Sears Technician
May 23, 2011
A:

how do u manually close the door switch

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Kevin H -
May 25, 2011
A:

Hi Kevin, You can use a screw driver to flip the latch assembly up. See the image below. Just press on the upper portion and it will �make� a micro switch inside the latch assembly. I hope this is helpful. If I may be of further assistance as more details become available, please reply to this post. Thanks again for using Manage My Life. Landell

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Landell -
Sears Technician
May 26, 2011
A:

test ran fine but on normal cycle top sprayers not working

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Kevin H -
June 01, 2011
A:

Hi Kevin, You were not specific as to whether or not the check valve was moving. In my initial answer to you, I wrote; During the test when you press the rinse button the tenth time the check valve should move one direction, and the when you press the rinse button the eleventh time it should move the other direction. If not check to see if the check valve is in a bind, if not you may have a bad diverter motor. At this point I must assume it is moving and there is a blockage between the sump assembly and the upper spray arm. You state you have checked the spray arm and it is free from blockage or impingement. Disconnect the water guide at its attachment to the sump assembly and start a cycle. With the door switch manually made keep the door cracked just enough to see if the dishwasher alternates between lower spray and forcing water out where the water guide was attached. Note: The lower spray arm and the upper spray arm do not operate at the same time. If water is not coming out of both alternately, I recommend replacing the sump assembly. Thanks again for using Manage My Life. Landell

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Landell -
Sears Technician
June 02, 2011
A:

Actually the check valve only spint in one direction and in the test mode all three spray arms sprayed at same time.

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Kevin H -
June 02, 2011
A:

Hi Kevin, Here is one more thing we need to check. Place an upright cup in all 4 corners of both racks, top and bottom. That is a total of 8 cups. Then start a normal cycle. Allow the dishwasher to fill, and then go for about 10 minutes of the first wash. Stop the dishwasher and open the door. Let me know how much water is in each of the cups. Thanks again for using Manage My Life. Landell

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Landell -
Sears Technician
June 03, 2011
A:

ok facing dishwasher bottom cups front left and back right are only cups with water and they are only 1/4 of the way filled

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Kevin H -
June 05, 2011
A:

Hi Kevin, From your description it does not sound like the bottom spray arms are turning either. As I re-read your previous posts, it sounds like this unit sprays in test but not in regular cycles. This may prove to be a very difficult situation to diagnose. I highly recommend having a trained service technician evaluate this problem. You can have it repaired at your home by a Sears technician. Here is a link for the website: [Sears Home Services | http://www.searshomeservices.com?sid=MMLxexpertxmerch ] . The next checks we will need to make will require the use of a volt/ohm meter and checking live voltages. If you have a meter and are comfortable making live voltage checks, reply to this post and I will be happy to assist you further. Thanks again for using Manage My Life. Landell

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Landell -
Sears Technician
June 06, 2011
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