Try these things in order:
-Try to use a name brand powder, rather then a generic. Even a small box. I had similar problems with my LG dishwasher when I tried to save money by buying a generic powder. My dishes did not get clean and white marks were left behind on my stainless steel DW liner and the dishes. When you ad the powder, do not over fill the dispenser. Add less than the full dispenser cup and close it. Place some powder in that shallow square indent on the dispenser lid to help the pre-wash cycle. Also, run the water in the sink until hot water runs immediately before you start the DW.
-If, after using Electrosol or Cascade for 2 - 3 loads and your dishes do not come out clean, then I would run a load of dishes without adding the soap. Start the dishwasher and wait for it to fill and begin to wash. Open the door and add one cup of vinegar (white vinegar is fine.) Feel free to ad another cup after the first wash water drains and the second wash water enters and the DW begins the wash cycle again. Run a load of dirty dishes with the soap and check for good cleaning.
-If the problems continue, it is time to remove the filter assembly by removing the 9 silver phillips screws from the filter assembly. You will also need to remove the lower sprayer arm by pulling straight up and then out. With a flashlight, inspect the sump area that was hidden by the filter assembly, looking for any debris that has jammed into anywhere down there. Watch out for broken glass as you feel around. Reassemble and test with a load of dirty dishes.
The poor drying may be caused by not keeping the rinse aid re-filled. Check that first.
Also, these water and energy conserving dishwashers actually use the "dirt" from the dirty dishes to help clean the dishes during the first two wash cycles. Simply clear the big chunks off the dishes and put the dishes in the DW.
Please report back what you find or if you have more questions. OK?
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Thanks for your answer. In the meantime I had turned off the wall power switch to the dishwasher in order to remove the door and inspect the wiring. After putting back together I turned the wall power switch back on, then the unit. I now get an error code "tE" which from other posts appears to be thermistor fault or inlet water temp too high. My thought was the washer appeared to be cleaning ok however there was excess condensation/moisture on utensils/dishes after full cycle. Interesting thing is before I had shut power off I had not gotten any error messages previously. Is there a way to clear error codes to see if it trips again with the same code?
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