<!-- from fixya rte -->Bottom water sprayer not spining - LG LDF6810ST Stainless Steel Built-in Dishwasher

Do you have multiple sprayers or only sprayer for water on the lowest level? If this is the case (only lowest level sprayers), look at how you're loading the bottom rack. If you are putting items that would stop the sprayers, like mixing bowls or casserole pans, that would be stopping the sprayers from hitting the top tier item.

Your sprayer arms may be clogged.
The upper arm attaches to a tube in the back of the dishwasher. If the support clamps come loose, the upper spray tube will not be flush with the tube and can't carry water to the sprayer arms. Also the sprayer arms can become clogged with paper remnants, bone fragments, or pieces of peeling. You'll need to remove the sprayer arm and flush it at your sink. If there is a jet that is clogged, tweezers will help remove the residue.
Also, dishwasher detergents need HOT water, so be certain the water is at 140 degrees. Make sure your detergent is fresh!
Finally, the bottom of the door INSIDE the washer often get covered with gunk. Be sure and gently wash the bottom of the door INSIDE. You can open the door, spray some window cleaner on the bottom and then gently brush away the 'gunk.' Rinse with hot water from a pitcher or your sink sprayer and this can eliminate some of the residue that is showing on your dishes.
I hope this helps. If it does, please come back to Fixya and rate my answer

Your sprayer arms may be clogged.
The upper arm attaches to a tube in the back of the dishwasher. If the support clamps come loose, the upper spray tube will not be flush with the tube and can't carry water to the sprayer arms. Also the sprayer arms can become clogged with paper remnants, bone fragments, or pieces of peeling. You'll need to remove the sprayer arm and flush it at your sink. If there is a jet that is clogged, tweezers will help remove the residue.
Finally, the bottom of the door INSIDE the washer often get covered with gunk. Be sure and gently wash the bottom of the door INSIDE. You can open the door, spray some window cleaner on the bottom and then gently brush away the 'gunk.' Rinse with hot water from a pitcher or your sink sprayer and this can eliminate some of the residue that is showing on your dishes.
I hope this helps. If it does, please come back to Fixya and rate my answer

Your sprayer arms may be clogged.
The upper arm attaches to a tube in the back of the dishwasher. If the support clamps come loose, the upper spray tube will not be flush with the tube and can't carry water to the sprayer arms. Also the sprayer arms can become clogged with paper remnants, bone fragments, or pieces of peeling. You'll need to remove the sprayer arm and flush it at your sink. If there is a jet that is clogged, tweezers will help remove the residue.
Finally, the bottom of the door INSIDE the washer often get covered with gunk. Be sure and gently wash the bottom of the door INSIDE. You can open the door, spray some window cleaner on the bottom and then gently brush away the 'gunk.' Rinse with hot water from a pitcher or your sink sprayer and this can eliminate some of the residue that is showing on your dishes.
I hope this helps. If it does, please come back to Fixya and rate my answer

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.

its just clipped over the cap remove and clean also check the seal is not damages on the pipe that goes into case.

I have never replaced the parts in a sprayer .In the book that I usually order from they only sell the compleat spayer.Im not saying that they dont make kits for them. but I havent seen them, Untill you can get you another sprayer unscrew the sprayer from the hose on the bottom there is a flat washer flip it around.that should work for a while.

Could be two different things -- either the pump is not moving water through the sprayer arm, or the sprayer arm isn't free to spin around.
I've fixed one of each in the past year, so either is reasonable.

First, check the easy one -- the sprayer arm.
Open the dishwasher and pull the bottom tray forward so you can reach the sprayer arm.
Reach in and try to spin it around by hand. It should move freely, and if you flick it around, it should spin a full turn around before stopping.
If it's unable to move at all, then look for something stuck like a fork or plastic bag.
If it moves, but very quickly stops spinning, it might be a foreign object or it might need a new sprayer arm assembly. The one I got this year was $38 including shipping.

If the sprayer arm is free and easy to move, then check the water pump:
Start the dishwasher and listen. When it's done filling and sounds like the wash cycle, quickly unlock and open the door.
It shouldn't spray water in your face, but there should be lots of water dripping from the racks and the top (and the dishes, if it's loaded when you do this test!)

If not, then the problem is either a failed main pump or a blocked pump, and the repair will be a bit more money and a lot more time.

If this helps, be sure to click the thumbs-up to tell me so!

top washer arm not turning

The water sprayers on your Bissell are probably clogged. I had this problem this morning, myself, with my machine, about 15 months old. They get clogged up with mineral deposits. This is a *fairly* easy thing to fix yourself. Read all the way to the end before trying this fix.

Unplug the Bissell. Remove the water container pieces from the top of the base. You'll probably reveal two red plastic pieces mounted in the Bissell's base, about .75" x .75". These spray water on your brushes when you press the water-and-soap trigger at the top of the Bissell's handle. These water sprayers tend to clog. See the metal spring running up the hose, behind each red water sprayer? As you squeeze the red plastic sides of one red water sprayer, use a screwdriver or other tool under the spring to wedge up the hose, to release the sprayer from its mount in the base. Stick a finger in the hole of the base of the Bissell where the sprayer was mounted and run it around the edges there including on the underside of the base to clean out any gunk you can find. Clean any gunk you can off the red water sprayer with an old toothbrush.

Now you need to remove the water sprayer from the hose. You need a pair of pliers. Use the pliers to squeeze the brass colored clip that is keeping the red water sprayed mounted to the end of the small hose there. Move the clip down the hose so it compresses the spring and is no longer on the red plastic water sprayer. Now you can twist and pull the red water sprayer out of the end of the hose. You'll need a little hand strength to do this. Just be careful not to break the water sprayer by using a tool. They're not particularly delicate, but breaking one would render your Bissell useless until it was replaced, so use a little care.

When you've removed a red water sprayer from the hose, put the outer end of the red water sprayer in your mouth and seal your lips around it, and try blowing through it. You can't blow air through it, right? It's clogged. Open up a paper clip and push it back-and-forth through the small hole in the end of the water sprayer back towards its middle. You'll probably push out a line of white mineral deposits. Clean them off the water sprayer with the old toothbrush, and try blowing through the water sprayer again. If air passes through clearly, you've fixed it. Now you have to put it back together. Push the water sprayer back on the end of the hose. Use the pliers to reposition the brass clip on the end of the hose over the water sprayer. Push the red water sprayer back into position in the base of the Bissell.

Now do the same for the other red water sprayer.

I had a problem when I fixed this on mine this morning, because when I pulled one water sprayer off, the hose advanced up under the spring and I couldn't reattach the red water sprayer, because it couldn't reach the end of the hose. So try to use the brass clip or some other means (rubber band, tape, another clip) to keep the hose from crawling up inside the spring after you pull the red water sprayer off the hose. If the hose gets up under the spring anyway, despite your best efforts, I fixed this by removing the six screws on top of the Bissell base (the surface of which the water tank mounts on top of), and then pried it up. You can pull out the hose, reattach the red water sprayers to the hoses, position the hose *very carefully* inside the base (there are mounts under there they need to fit into, so you don't break anything), push the red water sprayers through the mount holes and mount them, and then reattach the screws to the base.

There's something else you may need to do that can help get the water flowing. This one's easier. The Bissell uses pumps, which need to be primed. Sometimes an air pocket inside the machine keeps water from flowing. To prime the pumps, separate the two water tank pieces. Fill the base as usual and mount it on the Bissell without the top water tank piece. Plug the Bissell in and **turn it on**. (The Bissell must be running to do this.) Kneeling on the floor in front of the Bissell, reach up and press the soap and water release trigger at the top of the Bissell's handle and hold it in as if you wanted water to go through. On top of the water tank is a plastic grommet hole about 1 inch in diameter, through which you pour water to fill the tank. Seal that hole with the flat of your hand. You'll feel a bit of suction. Lift your hand up and down a few times. Release the trigger and repeat a few times. Now that you've cleaned out your water sprayers and primed the Bissell's internal pumps, I'm hoping water will GUSH through your Bissell once again.

As you probably have learned the hard way, as I did, it's VERY important to do a lot of cleaning of the Bissell after each use, more than the manual tells you to do. Clean the bottom of the unit. Empty all the water. Thoroughly rinse out both water container pieces. Unscrew the three clear plastic pieces, one in front, two on the sides, that surround the brushes, and rinse them thoroughly in water. Clean off the brushes and all the lint and gunk around and above the brushes. (A water spray bottle and toothbrush are helpful here.) Tip the machine and blow all the water out of the hole in the base. Release the red clip springs on the red water sprayers and blow on them. Doing this will slow the failure of the Bissell. It's a great little machine for the money, but it does have a learning curve and need more pampering than a vacuum cleaner, doesn't it??

Good luck!