Author Topic: MDBH970AWS control panel intermittent response, won't start wash cycle  (Read 2422 times)

Offline imzjustplayin

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Re: MDBH970AWS control panel intermittent response, won't start wash cycle
« Reply #10 on: September 29, 2013, 05:58:56 AM »
Well it appears using the not quite exact (but from my estimation it was 90%+ close enough) front control panel from a Quiet Series 200 vs. my 300 fixed the electronic problem I was having as the dishwasher now starts up and operates how it should. Next issue is the horrible grinding/whining noise I hear from the pump motor. I know the motor isn't bad because if I remove all of the lower parts from the inside (wash arm, pump pick up, plastic impeller, grinder, etc.) running the dishwasher is relatively quiet. No there is no debris in here as I already tackled that issue about a year or two prior where I DID find a broken off piece from the lower dish rack that was being ground up.

So... at the level with basically no parts attached to the motor, it's quiet and when I put the parts back one at a time, the noise increases incrementally but it isn't at a disturbing level until I get to as referenced in the parts diagram #5 or "outlet" where the noise comes. The noise isn't even consistent though as sometimes I hear the horrible noise but sometimes I don't and I think it has something to do with how these parts are screwed in or perhaps I'm moving something else around that is causing this issue.

I'm thinking this post here: http://forum.appliancepartspros.com/233110-post2.html is the reason but I'm not sure.

Since working on the dishwasher, the noise is there every time I start up the dishwasher but it appears to go away after running the wash cycle for about 3 minutes or so. I'm not really understanding how the middle wash arms and or the water distribution assembly (that plastic manifold that runs from the bottom of the dishwasher and goes into the middle and top washer arm assemblies would cause these noises.
« Last Edit: September 29, 2013, 06:07:01 AM by imzjustplayin »

 

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