Not cleaning the dshes. Material lrft on dishes. Suspect poor water flow.

If you are in any doubt about the ability to properly clean your dishes etc, then get an engineer to check it out.
You could always wash the dishes yourself?

Sometimes because of water pressure the inlet valve doesn't allow enough water into the machine to satisfy the float switch so you don't have enough water to completely clean the dishes.Manufacturers install whats called a flow washer to control the flow of water into the machine in case of too much water pressure. What you can do is remove the flow washer from the valve itself to allow enough water to enter the machine. The other problem could be that the water is not hot enough. Some water heaters are set to 120 deg. to save on utility bills. To clean effectively the dishwasher water temp needs to be at least 160 deg. which is the temp restaurants use to clean and sterilize their dishes. Check to see if your dishwasher has a water heat switch on the control panel that will increase the water temp to 160 deg. If not just turn up your water heater temp. To check water flow just open the door when it is finished with the first fill right before it starts washing and check to see if the float switch is satisfied. You can check it by just pushing down on it and listening for a click. Either one of these should solve your dirty dish problem. Good luck

This sounds like a water flow issue, suspect is IN and OUT. In has screen that is located in inlet valve, it needs cleaning, the exiting water is more difficult to clean, as most everything has to come apart. BUT, if you have enough water getting IN, you would likely dissolve the detergent, so I suspect supply problem.

First check your hot water hearter and see if its working right. If so try cleaning the jets in the dishwasher. Over time the will clog with particals and restrict water flow. Its easy to take them off. just unscrew whatever is holding the jets in and putting it back togeth should be just as easy.
-Personal expriance.

I found a broken chopper causing my blinking clean light problem. A piece of plastic found its way to the chopper, jammed it and broke the end of the shaft off. I found the parts, blade, nut, washer, in the chopper sump area. The chopper screen was clogged, restricting water flow and setting the fault. Another symptom I had was about a month of poor dish cleaning of dishes on the top rack. I replaced the chopper for about $25.00 and everything is fine. Be aware of the replacement procedures, it can be a bear.

I read a comment on not replacing a broken chopper, that a dishwasher had worked for four years without one. I don't know if that's a good idea since chunks of food flow freely into the pump.

Hi,

This is most commonly due to debris in the inlet of the pump. This will cause poor water flow to the upper arm and low pressure to the bottom rack. If you want to clean this out I have put together some instructions. Follow the link below and let me know if it helps.

Sump Clean out

Hello there
There are several reasons why a dishwasher will start performing poorly and dishes are not getting cleaned here is a list of things to check
It cleans poorly If your dishwasher is cleaning poorly, check these: things that i have listed below by clicking on each one and it will give a description ok? Water-inlet valve Internal filters Drain valve Spray arms Water temperature Detergent cup

I

When ever I hear of a dishwasher "suddenly" not cleaning properly, with spots on the glassware and soap not dissolving:

-If the spots are white patches, you can suspect the DW detergent powder. Go buy a name brand of detergent powder and I bet you will see a dramatic improvement. You may need to run a cycle or two with white vinegar added (up to two cups added after the DW starts, fills and begins to wash.)

-If the spots are a film / slime, you should suspect that the heating element. For the dW to be effective cleaning and rinsing clear,the DW needs to raise the water temp during the ~wash~ cycle (after the detergent dispenser has magically opened. After the heating element has been replaced, you will see an immediate improvement.

-If you had reported food debris sticking to dishes, (which you didn't), the first thing to do is clear the holes in the wash arms, then open the sump area , remove the filter assembly and inspect closely with a flashlight to locate blocking debris. (watch out for broken glass!) Inspect the impeller and make sure it is not damaged. If after assembly, the cleaning is still poor, it is time to replace the wash pump / motor assembly.

Good Luck! Ask more questions as needed!

Yes, the level should be above the heater but that is not likely the only problem. Make sure your filter at the bottom of the unit is clean (for adequate water flow) and that you're not overloading. Use the recommended amount of cleaner. Always scrape your dishes of loose food.

We had the same problem and we have managed to resolve it for the most part.  We have found that the detergent makes a huge difference.  Our experimentation found that Cascade Complete powder did the best job.  Also, our old glassware was wide at the bottom and narrow at the top which I suspect made it difficult for the spray arm to get water up there so we bought new glassware and that helped a lot too.  It still happens from time to time but it is pretty rare.