Question about LG LDS4821ST Stainless Steel 24 in. Built-in Dishwasher

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I have a LG dishwasher that exhibits occasional groaning, 1E error and poor cleaning. Sometime it works fine but lately it's getting more common.

I tried the following to no avail: 1. checked intake and waste hoses to make sure there were no leaks and were properly installed. 2. replaced the water inlet valve 3. checked and cleaned the impeller I'm wondering if it could be the mesh filter. When I went in for the impeller, I noticed it pretty gunked up. cleaned it the best I could but may need to replace it I guess unless there's a way to open it and clean it. I believe its part m110 for reference. Thanks in advance.

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Since you have replaced the water inlet valve and still have the 1E error code, this leads me to believe that your water pressure could be too low.
1E error code means that your machine is not filling with enough water to operate correctly, so check the supply system completely and also the filters where the supply hose enters the machine.
The poor cleaning could be food clogging the lower filter screen, the groaning is the circulation pump cavitating.

Posted on May 01, 2015

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Posted on Jan 02, 2017

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