Question about Samsung SMH7159 Microwave Oven

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Microwave door My microwave door no longer stats shut on its own. I can hold it closed and the microwave works fine, however it doesn't click shut anymore. needshelp

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  • MICHAEL WILLIAMS Nov 09, 2007


  • MICHAEL WILLIAMS Nov 09, 2007


  • Anonymous Jan 21, 2009

    Same problem with a bosch microwave...

  • Anonymous Mar 17, 2014

    emerson 110 watt microwave

  • Anonymous Mar 22, 2014

    door will not close

  • Anonymous Mar 24, 2014

    the microwave is only a year old and if its not much i would like to fix it, It was working fine until this happend



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It sounds like the mount which holds tension on your door latch heads (door hooks) is broken. You can confirm that by pushing up on the door hook. If it goes up with no real resistance, the spring is unhooked. Fixing that would require disassembly of the door (by separating the panels) and repairing or replacing either the door hook assembly or the door panel inside.

Posted on Nov 01, 2006


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Microwave door wont stay closed

replace the door hooks and door release button.
if this is broken the switch will not close very well, and NOT start the microwave.

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The door switches are the problem. Well, actually one of them is. when you open and close the door make sure the switches are actually being engaged. I have seen the plastic snaps that hold them broken and the switch just moves. Just replace all three switches and you will be fine.

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I have an Oster DLC-7 food processor. It has always been very hard to close requiring force. The last time I used it, a white plastic part popped off from the back. I don't know whether anything is...

You have a broken the door latch.Most people have the habit of slamming the door shut ( the same way some people hit the enter button on the computer ).With age the plastic becomes brittle and the slamming accelerates its demise. Now connected to this latch is a safety feature which shuts down the Microwave when the door is opened during cooking. So till you replace this latch the microwave will not work. Disconnect the microwave from the power outlet and remove the top cover ( 4 to 5 screws at the back ) , look near the bottom close to the DOOR OPEN button.You will see the rest of the latch with a spring attached to it.Do not attempt to glue the broken piece because the force exerted on the latch is very high and will not hold. You challenge is getting a replacement. Best would be to contact the seller or locate a authorized service center from where you might be able to procure it. It should cost you about 5$.

Aug 22, 2011 | Microwave Ovens

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My microwave no longer starts when the door is closed. You have to hold the door tight for it to work. Door is not shutting tightly enough.

On the DMT2420, that's a bad bottom door switch, or possibly that switch's mount.
The service manual is here and the parts list is here. You can order Dacor parts by part number from the Pros here.

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1 Answer

My SMH4150 microwave appears to be working, but is not heating . It is 5 years old and there is a smell of burning plastic. Everything else seems fine.

Check the door safety interlock switches.

Do you regularly shut the machine off by opening the door? Each event causes a small arc on the tiny contacts and will burn them. When they can no longer make contact, your microwave doesn't know if the door is open or closed. The machine must know the door is closed to turn in the magnatron (that thing that makes the heat).

Remove the cover and check the microw switches with a volt/omh meter.

Thanks for your interest in

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I bet by now your microwave is no longer working....did the bottom or top "hook" finally break off? I found that mine had cracked and started coming loose and so when it closed it was no placing enough pressure on the internal safety switch that tells the oven the door is shut. I was able to use a sturdy plastic glue to solve the problem but finally after about 2 years of fixing it I can no longer get it to bond. Now, I'm looking for a new part. Who makes a product this expensive with plastic parts!!?!??!?!? So frustrating.

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GE microwave won't turn off

Just checked the GE website. Had the same problem with my 5 year old microwave. GE website says to close and open the door quickly three times. First time I did this it didn't work. Second time I closed the door with some significant force and reopened it more quickly. Worked. Unplugged the microwave, plugged it back in, still fine.

Mar 21, 2009 | Microwave Ovens

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