The dishes on the lower rack are staying dirty. I placed the rotating sprayer on the bottom in a position that when opened it is in the same location. I took the whole assembly apart and could find no debris or any blockage?
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Re: Dirty dishes on lower rack
Please confirm that you own an LG LDF7811 dishwasher and it is not cleaning properly.
-Are you getting any error codes displayed?
-Did you remove the mesh filter and clean any debris beneath it plus rinse out the filter itself?
-Are you using a name brand diswashing powder? Avoid ultra-cheap detergent, especially in water-conserving units like the LG 7811. Never use DW gel or tablets in any dishwasher.
-Do not over rinse the dishes before placing them in the DW. The food granules actually are used to clean all the dishes before being rinsed away.
Please try these suggestions and reply to this message with what worked best and if the problem continues. Good Luck!
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If the dishwasher won't clean dishes, check the lower wash arm assembly. If the lower wash arm isn't getting water, all of the dishes in the lower rack will come out dirty. Check to be sure the lower wash arm assembly spins freely. Also check to be sure the little holes in the lower wash arm aren't clogged or blocked.
Connie,, make sure in loading the dishwasher you have room for the soap and water to make it to the top rack, (older models) on newer models you have a sprayer just under the rack make sure the sprayers are working fully,, to clean them you can use a hard brush and vinegar,, let stand for 5 minutes and rinse off, also, you can run vinegar ( white) through your machine,, to help clean the jets,, use in place of the soap , then run a couple of times empty to remove and let over odor
Take off the arm and poke the blockages back into the jets then shake them out of the central pivot hole.
Remember, the drive jets (Which are at the end and make the arm turn) are the most important to keep clean.
Sprayers require water to pass through the jets to provide motion to the arms.
Remove the sprayer from the machine and look for blockages. (Removal should be easy, at it is expected that the user will need to clean the jets occasionally; If you have any problems removing it, consult your manual).
try c.l.r. to clean dishwasher check and clean lower and upper spray arms out, run no detergent you can also run vinegar in it as well about a cup full,let the machine start to run then stop dish washer for a few hours then restart see if this works for you use a short cycle.
your top spray arm is blocked and not rotating,remove it from top basket and thoroughly clean it paying particular attention to the holes right at the ends these are angled to drive the arms round if they block up the arms will not rotate.
I would unscrew the cap and remove the whole thing... you might have something clogging one side, which makes more water come out on one side than another, causing it to wobble... or you may find something else causing the problem.
If there is a blockage, clearing it out can be tricky. really long pipe cleaners work well. Craft stores have them.
Recommend you pull the bottom spray arm straight up, then out of the DW.
Remove 9 phillips screws that hold the filter shroud down. Remove the filter and clean/rinse it out.
While the filter it out, grab a flashlight and inspect all over the sump area. Especilly in the area the has the check valve that rotates (Vario motor-driven) to feed the water pressure either to the lower and then the upper arms. Watch out for broken glass! Also, inspect the impeller to see if it is undamaged and spins easily.
Reassemble, then test out.
If problems remain, the the wash pump motor is probably the culprit. Do you get any error messages on the time display?