Question about Whirlpool 24 in. DU1055XTPS Stainless Steel Built-in Dishwasher

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Loud continuous buzzing noise while dishwasher is running

My Whirlpool DU1055XTPS makes a horrible contiuous buzzing noise through most of the wash cycle. Although it does change in pitch and frequency during drain, wash and fill, it never really goes away. It sounds like it is coming either from the control panel or the left side, but I cannot be sure. It does not sound like an obstruction in the pump or motor, but rather more like an electrical resistance sound. It does not sound like a warning buzzer, but maybe it could be one that is vibratign at an unusual frequency. There are no error lights, and the washer goes through all of its cycles appropriately, but the noise is defening. Please tell me what to look for or how to diagnose this problem.
Thank you,

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Re: loud continuous buzzing noise while dishwasher is...

Hi hope you are well have you checked that the dishwasher isnt touching your units either side their should be a slight gap either side you will get this noise if it is touching anything at the sides or pressed up against something at the back if this is not the problem.
If it is making the noise through most of the wash cycle the the chances are it isnt going to be a pump on the way out the only other thing it could be is the motor that turns the spray arms around and it could be either the top or bottom usually if you can get to the motors you can oil the moving parts as sometimes thse get dry over time.
Try the first sollution first try moving the dishwasher a bit and then try it again if still noisy then the chances are one of the motors has got noisy on the spray arms it wouldnt be the pumps as the noise continues through most of the wash.
Some times just moving the dishwasher will recitfy the problem as the same happens with fridges and freezers if it has been knocked and is not level or is touching a unit you will get a slight vibrating noise so try moving it a bit.
Let us know how you get on

Posted on Nov 28, 2007

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