Why wont my dishwasher finish its cycle and empty

check the lock maybe it flipped shut lock maybe getting stiff from steam?

Check your motherboard for burnt contacts. Easy to remove in the door. If you able resolder and give it a try. Cheaper then a new mother board.

repair err 4

Run a empty cycle with a cup of vegitable oil . check mid cycle to see if you should add an extra cup. if you or anyone in your home is washing dishes with soap and then putting them in the dishwasher this will happen

Check the filter sump is clear and there are no blockages in the rotor cavity. If you hear the rotor noise when it is in drain cycle then blockage is inside the rotor or filter sump cavity. Assuming the top drawer is working ok, the drain hose at kitchen end might be ok. The drain hose within the drawer could also be an issue. Try to run the dishwasher with a Finish dishwasher cleaning kit (from super market) after following the instructions on the kit. First empty dishwasher with a small cup.
If the rotor is silent during drain cycle then you have a bigger problem - faulty rotor circuit.

check if the dishwasher is level. designed to drain correctly under level conditions.

in my experiance as a service tech dishwashing powder is supposted to b non foaming. try running dishwasher with no dishes or powder in it for a couple of washes. that will get rid of excess soap. unit has to much soap in it and the pump will not pump out soap suds. please reply 4 more help.

check your fill valve.

i have the same problem but it does empty but know no cycle starts.

I have had this problem with a dishwasher before it was the pump. some of the water was empting but that was the weight of the water pushing it down! if its still under garentee get someone out, I dont know how expensive pumps are! it may be easier to look on ebay fot a new one!