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Hey Steve,Sorry it took me so long to answer i was offline and my add is not supposed to displayed when i am off line so sorry about that. Now then on that dishwasher with the hum and no water circulation it sounds as if the main wash motor is jammed up for some reason it could be that the motor itself is defective or as simple as something such a piece of debris such as broken glass or almost anything caught in the motor causing it to not turn on,by disassembling the wash motor you can see if something is caught in,if nothing is caught in its a (sorry to say) the motor itself thats bad and would need to replaced.The reason the water drains even though it will not circulate is because of the separate drain pump that is working Please reply back after disassembling the pump to check for debris if ya need further assistance. Thanks for using Fixya.Com,GENE
Hello, How long has your dishwasher been do this? Have you washed dish's in
it? Also, these German made dishwasher run on less than 2 1/2 gallons of
water. These German manufactured dishwasher machines run really quite. Because
of the German water conservancies laws. They limit the amount of water
dishwasher and washing machine can use. Also, there is no storage hot water
system in there homes, it on demand hot water. You can't hear the motor running
and about the only thing one can hear is maybe the water washing the dishes.
Now, the water at the bottom of the dishwasher, if the drain isn't connected
up under is the sink drain and trap area or the garbage disposable in the sink.
but some place lower on the drain pipe. You will not have a spiffing effect on
the the bottom of the dishwasher, it the same with washing machines. One the
discharge pump starts sucking air, it will not drain the dishwasher. The siffen
effect works if the water is below the outlet for the drain. Example: Home owner
have the new washing running and continue fill with water. Why, because the
drain pipe end is below the the bottom of the washing machine tub. It fill up
with water and siffen action continues emptying the tube will it still filling.
One heck of a water bill.
sounds like wash motor is not going . it will fill and control thinks motor is working . then it will drain wash water / ( drain pump is a different motor ) and then refill and so on .. never washes but fills and drains and heats. ( look for leakage under the motor i'm sure you will find some ..
If you post the model number of your dishwasher plus its approximate age (in years) I can help more.
But the most common cause is a weakening pump motor. On many dishwashers, the wash pump motor is also the drain motor. Replacing that motor / pump assembly will solve the problem. While you are replacing the pump, check the heating element to confirm that it is not shorted out or broken.
For now, add a cap full of bleach to the water _after_ the initial dishwasher fill cycle ends and the wash cycle begins. White vinegar would also work, but this will not fix your problem.
when you hear the motor running during the wash cycle, check to see if the washer is actually draining instead of washing. this would indicate a stuck open drain valve. (the same motor/pump that washes the dishes, also drains the unit)
Motor has gone out..just like mine...Make sure u have voltage going to the motor, (disconnect the plug from the motor) and use an electric meter to make sure you have voltage going to the motor. If so the motor has either gone out or has been blocked by something! If no noise except clicking then motor has gone out. Looking at about $150 for motor.