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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. 

Recommended Posts

Posted

Kenmore 721.800 series Microwave running fine but not heating food.

Power supply, magnetron, high voltage diode, capacitor, and transformer all test good.

In need of guidance. Appreciate all I can get.

Jim

Posted

Door switches are often overlooked in these situations. Also, make sure the control is sending power to the transformer.

Posted

Check the amperage draw while it is supposed to be heating. Let us know the amp draw.

  • Like 1
Posted

About 9 amps

Posted
11 minutes ago, jimwrye said:

About 9 amps

Points to a bad mag tube - the mag tube is the the one part that you can check with an Ohm meter and it will check all OK and can still be bad.

At 9 amps - the high voltage circuit is being power but never kicks up to full amp draw because the mag tube never starts it's oscillation.

Disconnect the two wires to the mag tube and make sure they are away from anything and run it again - if the amp draw is he same with the mag tub disconnected you can be pretty much sure the mag tube is bad.

After you run it for about 20 - 30 seconds unplug and carefully with an insulated screwdriver you can short across the capacitor terminals and will get a load bright spark - that also proves the high voltage system is outputting and charging the capacitor but the mag tube doesn't start it's oscillation process which would kick the amp draw up to around 11 - 13 amps.

  • Like 2

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