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Dishwaser working,but not cleaning dishes properly

Ive tried different tablets,dishwasher has been cleaned for lime scale, filters and spray arms are clean , ive checked all hoses,tried longer wash program. it was working well 2 weekc ago but now isnt doing the dishes properly. its 18 months old. i think its not spraying properly? can i operate it and watch whats happening?

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  • akubra_lands Nov 18, 2008

    thanks joe. i have been running water hot in sink before i start dishwasher. it was working fine but now its not. i think its the spray arms and will listen out for the water on the door and see how i go. light steam comes out when finished.if spray arms ok is it possible that the dishwasher is not heating water properly?there used to be alot of steam,really hot! is there a heater element that may have gone and temp now is only from hot water?

  • Anonymous Mar 27, 2014

    The spray blades etc are coated in black scale

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Make sure the top rack sprayer bar at the back of the dishwasher is not slight bent and entering the hole. If the top rack adjusts height, sometimes it can be bumped out of alignment when you adjust. You can put it in the guide, and it will go in the hole (with rubber cap) in the back of the dishwasher when you push in the top rack. You can pop out the spray arms and make sure they are not blocked.
Finally you might have a build up of deposits on the screen. You can remove and clean. As it won't recycle water adequately. I don't work for Lemi Shine, but their machine cleaner made my dishwasher run like new.

Posted on May 23, 2014

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Unfortunately, there is no way to run it and see what it is doing. the only way to check if the spray arms are working properly is to put your ear up to the dishwasher while it is running. you should hear the water spraying along the door panel on both the top and bottom ( Note: some dishwashers run the spray arms simultaneously and sometimes they run at seperate times ).
another thing to check is your water temperature. the water must be 120 degrees in the dishwasher in order to clean the dishes properly. also, if your kitchen sink takes a while to get hot water, you will need to run the sink first prior to starting the dishwasher. I have to apply this method at my house because it takes a while for the water to get hot at my sink. if I run it without starting the sink, the water in the dishwasher is 80 degrees or so and will not clean properly. Joe

Posted on Nov 18, 2008

  • rbnsn6 Nov 18, 2008

    the heating element is not meant to heat the water. it is for drying purposes. the only way to check if the heater is working or not ( other than touching the element after a dry cycle to see if it is hot ) is to check it with an ohm meter on tone. if you get tone, then the element is good. Joe

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