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  • Upcoming Events

    • 15 February 2025 03:00 PM Until 04:00 PM
      1  
      Returning guest presenter Aaron Wilson is back for another exciting discussion. This time, we'll be talking about...
      The Science of CYA: How to Keep the Customer Safe, Document Your Work, and Not Get Sued
      We take on a lot of liability as appliance repair techs, and that can get us into sticky situations whether we've done anything wrong or not. Aaron will be teaching us all about how to navigate this side of the trade.
      We'll start by going over a tragic, real-world case study where a sloppy installation had lethal results, analyzing exactly how the installer's negligence caused this. From there, our scope will expand to what kind of safety precautions we should implement in our own work, both for the customer's sake and for our own.
      But even if you do everything perfectly, there's still the famous "technician witch hunt." Well, we'll also talk about how to deal with that by thoroughly documenting your work and putting yourself beyond legal reproach.
      A little about our guest, Aaron Wilson:
      Aaron has been in the appliance repair trade for about 15 years, starting out by doing installations before moving on to bigger and better things. He worked for C&W Services as a Sub-Zero authorized servicer for a time and thereafter joined Mr. Appliance of Highland Park in the Dallas area, where he worked for years as the lead technician and field service manager. These days, he's making sure that all the appliances of everyone's favorite fried chicken place are in tip-top shape as the Quality and Performance Consultant for the southwest branch of Chick-fil-A. In addition, he has taught many classes on refrigeration repair and advanced diagnostics, during which time he also developed training material for the soft skills side of things, which he is delighted to share with you. On top of all that he's a certified graduate of the Master Samurai Tech Academy, so he knows his stuff!
      Also, follow this Calendar Event so you'll get notified of new posts here. Look for the "Follow" button either at the top of the topic on desktop or below the topic on mobile.
      Who: This workshop is available to everybody, including you! You don't have to be a member of Appliantology to join the fun.
      When: Saturday, February 15 @10:00 AM Eastern Time.
      Where: Online via Zoom
      How:
      Click here to register. If you're interested, register now. Arrive a couple minutes early to make sure your connection is working. Set a reminder for yourself for this workshop so you don’t miss it. 

Brown/Rust colored 'film' on Dishwasher walls and floor


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Posted

Kitchenaid DW about or 7 years old.  The dishes are spotless; this brown/rust colored film is only on the doors and floor. Have replaced garbage disposal and cleaned out all pipes underneath the sink, but problem never goes away. I'm thinking there might be an issue internally with the motor or seals and for some reason this 'film' attaches only to the stainless part of the dishwasher. Could something be 'leaching' through whatever is on the other side of the stainless? Just had a 30 year plumbing veteran take a look and he has never seen this before. Called Kitchenaid tech support and they've never heard of it either.

Any ideas?

Thanks, David

 

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Posted

Is this a new problem or has it been occuring for some period of time?  Is it affecting only the dishwasher or other water-using appliances and fixtures?  Testing your water supply for hardness and impurities is logically be the first step.

Posted

It's just the inside tub lining (stainless steel) of the dishwasher. All dishes come out perfectly clean with no residue at all.

Why it would only be on the tub is the mystery. I would think any thing to do with the water, soap, etc would affect everything that's being washed.

Strange...

Posted (edited)

It would seem to be a plumbing thing but I think rusty sticking to the stainless is magnetic attraction/science answer...Looks like rust. So cal so you have water from No Cal or Colorado river via all the processing and the old pipes sort of looks like clay residue... Maybe get a bunch of it and see if a magnet pulls the powder to it. Not sure how to test for clay... I know you put a vitamin c tablet on it wet and if the stain goes away quick its metal in the water probably reacting to the energized heater element.

I was thinking a seal leak but i haven't studied dishwashers... find out what it is first...

bar keepers friend to clean it out then run a load with vinegar in cups and see what happens after that..

Edited by dfphoto
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