Question about Microwave Ovens

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Door won't engage and stay closed

Wife was heating a cup of coffee, she opened the door there was in a noise and the door popped open

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  • Microwave Ovens Master
  • 17,129 Answers

Possible that the lock was broken and so the door opened. You can remove the front panel and check for broken plastic or nylon pieces which can be glued using instant adhesive.
Reset the lock and switch and the door must lock in correctly

Posted on Jan 22, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

BIKER T
  • 909 Answers

SOURCE: self start when door closes

if electronic control, one of two things come to mind. 1)your toutch pad is defective.replace it. 2)you electronic board has a leaky component.not very likly though. believe it or not, ive seen it start before by itself then i noticed a large quantity of bugs inside the glass which i realised triggered the microwave 0ff.

Posted on Jul 23, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Maytag Microwave MMV1153

First of all, it's under warranty. So I would contact Maytag for a free fix.

See http://maytag.com/support/service_parts.jsp

For an out of warranty reply:

This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Posted on Nov 28, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Carousel Microwave door latch stopped working door won't stay closed

Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

We have *critical* safety & disassembly info at our site, linked here: http://tinyurl.com/yzjozk

We also have this full service manual at our site: http://www.microwavedisplay.com/R1480_R1481_R1482_sm.pdf

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

We're happy to help and we appreciate your thoughtful rating of our answer.

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Posted on Apr 18, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Advantium 120 Microwave fan stays on, off only when door open

Looking at the schematic in the service manual here, I would say relay RY6 on the small sub PCB (relay board) has shorted contacts.

That's the relay that runs both the fan and turntable.

It's possible that it may be a bad connection or driving component on that board, but in my experience, it's virtually always a stuck relay.

The part number on the relay as shown in the photo is hard to read, but it looks like "OJ-SH-112LM".

I should have one of these or I can point you to one if you want to contact me with the exact number.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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Posted on Jan 31, 2009

ginko
  • 19396 Answers

SOURCE: GE SPACEMAKER JVM1650

When door open the microwave should not work at all, if the turntable and light come on with the door open , if they do , then this is an additional problem with door switch and must be fixed.

Regarding humming noise and no heath, Test the high voltage capacitor, the rectifier diode.or the magnetron.

If it additionally does not spin and no light, then check also the door switch.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

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1 Answer

Why microwave won't stop running unless door is open ?


Is it actually heating or just making noise and acting like it's heating? (put a cup of water inside and close the door.) IF it's actually heating, then you have a shorted relay on the main control board, and you will have to replace the board. IF it's just making noise like it's working, but it's not heating, then the problem is 1 of the door switches is not working right (it's either stuck open or stuck closed).

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Is it actually heating or just making noise and acting like it's heating? (Put a cup of water inside and close the door.) IF it's actually heating, then you have a shorted relay on the main control board, and you will have to replace the board. IF it's just making noise like it's working, but it's not heating, then the problem is that one of the door switches is not working right (it's either stuck open or stuck closed).

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The fact that pressing CANCEL did nothing leads me to believe the controller may have failed but a failed door interlock could be a contributing factor.

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Almost certain if microwave still heats a bad motor or gear issue inside the unit--if unit will not heat the safety switch in the side that the door engages is the cause of the wheel or platter not turning--prevents unit from use if door open.

Nov 06, 2012 | Microwave Ovens

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Door latch


see this causes and fix it. God bless you
Open Lever If the microwave door won't open the open lever might be broken. This part can be replaced separately.

Door Spring If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.

Door Latch If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.

Door Hook If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.

Button Spring If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.
Button If the microwave door won't open the button might be broken internally. The button can be replaced.

Handle Actuator If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.

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Oct 15, 2012 | Samsung SMH9187 Microwave Oven

1 Answer

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.

God bless you

Jul 19, 2012 | Samsung SMH9187 Microwave Oven

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Door on Sharp R-K520S won't stay closed.


check the hooks and door release button and repair or replace, when this is broken, the switch is not close the microwave will not START.
SEE the diagram
God bless you
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Jul 14, 2012 | Microwave Ovens

1 Answer

Frigidaire microwave plmv168cc1 makes humming noise when door closed


Chances are that the secondary (cook) relay on the control circuit board is shorted, meaning that the oven is actually cooking any time the door is closed.

You can test that by putting in a cup of water, shutting the door, and letting it go for about 30 seconds, then checking the water temperature.

This is dangerous, and can lead to a fire, so please unplug the oven until it is repaired.

The relay can be replaced for far less than the cost of a new control circuit board.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.


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1 Answer

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there is a safety switch located on the door frame chances are it need replacing since it is staying activated

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