I have a dishwasher that does not clean the dishes... (by 17 users)

I had the same problem and found a different solution. The problem was not enough water to get the arm to spin. To test this just add a pan of water to the wash cycle and see if the arm spins. If it does then the problem may be with the water intake line. There is a screen at the connection where the intake line enters the dishwasher. So turn the supply valve off and disconnect the intake line and remove particles that may be traped in the screen. The cause of the particles is from the hot water tank that tend to accumulate a bit of corrosion on the bottom of tank. To remedy this just open the valve at the bottom of the hot water tank and drain it in a pan until the water is clear.

I had the same problem with a low end Kenmore that came with our new home. After several trips the service technicians(2) still couldn't figure out what was causing the problem. They said they would replace it. Because of the problems with that model, we decided to upgrade to a higher end model. Once it was replaced, we didn't have problems with the new dishwasher. They checked the filter, our upper arm was moving, tried using vinegar to clear out residue, nothing worked. So if it is still under the warranty, I'd ask them to replace it if they can't fix the problem. They replaced ours 5 months after we moved in. The problem seemed to keep getting worse.

buy a water softener

The sand like substance may very well be undissolved abrasive material from your dishwasher soap. Most people don't realize dishwasher soap needs to be fresh. Buy a package that you can use in a month. As it ages, it looses effectiveness. Also consider switching to another brand.
Another possibility is the way you are loading the dishwasher. If dishes interfer with the wash arms spinning freely or you overload the dishwasher, you will get poor wash results and poor rinsing and thus grit left behind on the dishes.

There isn't a solution for this problem. I'm convenced it is a lemon and that it needs to be replaced by the mfg company with a different model.

help

dishwasher is not rinsing correctly.

Also a short cycle will not break down the detergent...liquid detergent is better....but you still need to run a "long" cycle

use only one tablespoon of dishwashing powder, most people think more is better, but it's actually too much.

Ive found that the problem is not enough water in being pumped to the center spray arm. With my dish washer in particular, you can see the water trickle upward to the upper nozzle...but it does not have enough pressure to properly function. I tapped the delivery tube that feeds this nozzle and the water pressure jumped imediately. So the problem lies either with the pump or maybe the impeller....for some reason the full flow of water is not making it to the upper spray arm.

fill the salt container up to 2 bags
make sure it finishes the cycle

I have the same problem with my dishwasher. I have tryed everything as to loading, water temp, changed soap and still have the problem of having residue on the dishes. I can not see the stuff left on the dishes, but I can feel it when I take them out. Please help me, this was installed May 4, 2006. The repair man has looked at it & he doesn't know why this is happening.

Better look at your upper arm. I have same problem. Saw that my upper arm does not spin. Frigidaire. Now I must find why arm does not move.

Better look at your upper arm. I have same problem. Saw that my upper arm does not spin. Frigidaire. Now I must find why arm does not move.

I had this problem and it was a faulty seal on the upper washing arm. Problem solved with a new one purchased for £8.95.

I had the same problem upon further investigation,
we found a build up of junk and mold behind the filter screen and under the cover at the bottom of the dishwasher where we also found standing water that was not draining. Yuck! my conclusion is that it is grime and muck.

what about a clog in the water supply line from the pump on the bottom to the upper spray arm under the top rack

I was advised by an engineer that there is not enough salt in the dishwasher & that is what causes the sand like residue on dishes. sometimes even when you use an all in 1 dishwasher tablet this may still not contain enough salt for the hardness of the water in your area. Using salt regular helps keep the dishwasher clean.