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Tyler Z.
Tyler Z., Appliance Doc
Category: Appliance
Satisfied Customers: 81183
Experience:  9+ years being an appliance technician with factory training.
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I HAVE A SAMSUNG OVER THE RANGE MODEL NUMBER SMH21175/XAC,

Customer Question

I HAVE A SAMSUNG OVER THE RANGE MODEL NUMBER SMH21175/XAC
JA: Can you guesstimate how old your Samsung is? And just to clarify, what's the exact model?
Customer: THE MICROWAVE STARTS AUTOMATICALLY WHEN I CLOSE THE DOOR
JA: Do you plan on doing the work yourself?
Customer: IF ITS EASY ENOUGH
JA: Anything else we should know to help you best?
Customer: THE PANEL APPEARS TO BE WORKING PROPERLY BUT THE DEVICE JUST COMES ON AND WONT STOP
Submitted: 5 months ago.
Category: Appliance
Customer: replied 5 months ago.
the mod number is ***** smh21175/xac or smh2117S/xac
Customer: replied 5 months ago.
WHEN I CLOSE THE DOOR THE MICROWAVE STARTS AUTOMATICALY, BUT DOES NOT HEAT THE CONTENTS
IF I SET ON SENSOR COOK (POPCORN) THE TMER STARTS AND I CAN HEAR THE MAGNATRON KICK IN. THE POPCORN COOKS PROPERLY BUT WHEN THE TIMER BEEPS THE MAGNATRON TURNS OFF BUT THE OVEN CONTIUES TO RUN.
Expert:  Tyler Z. replied 5 months ago.

Hello. My name is ***** ***** I'll be helping you with your appliance question today. Please wait a few moments while I review your question.

Expert:  Tyler Z. replied 5 months ago.

So unfortunately this issue is caused by one of your 3 door switches failing. There are 3 door switches for safety reasons and when one of them fails these are the symptoms you get. Now the unit is still under warranty so I would recommend just calling warranty, but that's completely up to you. If you still wanted to repair it yourself, then you would need to take the microwave apart and use a multimeter to determine which switch has failed and replace the faulty switch. Below is a link to a video that shows you this process if you have a multimeter. The video shows the process on a Whirlpool microwave but since Whirlpool makes this style microwave for Samsung, the process is the same.

CLICK HERE for video

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Expert:  Tyler Z. replied 5 months ago.

Hello again. I'm just following up because I haven't heard back from you and I see this question is still open and unrated. Is there anything else I can help you with?