Question about Microwave Ovens

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My micro wave door opens n does not shut tightly I guess and so takes about ten tries opening n shutting before it starts. What should I do Panasonic inverter microwave (the genius prestige) Model NN-P794sfx

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The door is either out of adjustment, the door switches are out of adjustment, or the door/hinges are damaged. If the door switch assembly can be adjusted to fix the problem, then make sure the door closes as snugly as possible. As any repair to a door can increase the amount of microwave leakage, which can cause possible health issues for you, it might be wise to, at the very least, have a technician do a radiation leakage test on the unit once the door problem is repaired.

Posted on May 10, 2014

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: MICROWAVE TURNS ON WHEN DOOR IS OPENED.

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.

Door switches are most often damaged by opening the door while it's cooking (instead of pressing Stop / Clear first) or food
/ grease debris in the switch.

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 05, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic Microwave Turn table rotates when door is open

Found this Panasonic post in the Samsung section!

If it moves just a tiny bit when the door opens and then stops, that's normal.

If it keeps running when the door is open, that's usually due to a bad door switch or broken / loose door switch mount.

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

Any Panasonic parts not available locally can be had here: http://www.pasc.panasonic.com/epartr

We appreciate your thoughtful rating of our answer.

Posted on Nov 17, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave Panasonic Genius Prestige Model

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

The TCOs you need to be concerned usually with have all black or white wires only. Please reply with photos of your interior if you have questions.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

You can order Panasonic parts here.

You can find an authorized Panasonic servicer here.

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

Posted on Sep 28, 2008

  • 178 Answers

SOURCE: Can't open microwave door

It sounds like the push to open lever is cracked or broken. You have to remove the 'wrapper' to open the door manually from the inside to check the 'door keys' or door hooks to make sure that they are in tact. Then, check the door opening lever between the 'push to open button' and the lower door key.

Posted on Sep 13, 2009

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  • 1 Answer

SOURCE: Door Release Button not working on Panasonic Microwave NN-T664SFT

The problem I had experienced with the Door not opening easily will be resolved by removing the micowave oven top cover with a tamper proof torx head, replacing the door switch and reinstalling the top cover.

Posted on Jan 20, 2010

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My GE Microwave Model JKP90SP4SS will not shut off, even with no time programmed and cooking is done. The only way to stop operation is to open the door or shut off the breaker.


This kind problem is usually associated with the door micro switches. What happens is the switches are supposed to prevent operation when the door is open and other things. When one fails, often the oven will run with the door open or closed. There are a number of these micro switches inside and they protect the user from certain unintended actions or combinations of actions. This usually happens with well used ovens. There are extremely dangerous voltages inside a microwave over, even when not connected to power. Find a tech who knows these things.

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Microwave will not run a cook cycle. Touchpad functions until door is opened or start button is pressed. When door is opened display goes dark. When door shuts display lights all characters and then says...


BEFORE DOING ANYTHING DISCONNECT OVEN FROM POWER. I do NOT recommend doing repair by yourself, if you NOT are really very familiar with electric repair, or have at least basic training in electric device repair and maintenance.
"When door is opened display goes dark. When door shuts display lights all characters and then says "touch clock"."
Obviously, by opening door, oven gets disconnected form power line.
This is mostly caused by loose connections on wiring socket, and can be anywhere inside. Check security micro switch on door latch. This switch normally disables only running the oven when door is open, for security reasons. In your case, it seems that opening door disconnects oven from input power. Sometimes the switch is loose, or wires are not firmly pushed in the socket. If the power line wiring is loose, and by opening door looses contact with socket, it can touch metal housing inside, cause short, electric shock, serious even mortal injury and fire. This is dangerous high voltage switch, and to access it one must open oven from the back and take off the cover. I do not recommend doing it by your self.
Rem: Replacement micro switch is couple dollars.

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I have a built-in Kichenaid microwave model KCMS2055sss2. When I try to heat something, while the lights come on, the magetron sound does not come on. Yesterday, opening and shutting the door fixed the...


The enclosure kits do come off and under neath is a regular micro wave and I then you can remove the cover to the microwave and all the usual parts will be under neath. The kits hide there screws in all different ways the screws are small. The Trim kit it self probably clips on over the screw plates that hold it in place. Probably from the bottom, Check out this link to see a generic trim kit. http://products.geappliances.com/MarketingObjectRetrieval/Dispatcher?RequestType=PDF&Name=49-40303.pdf

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try to adjust the latch, if not you must replace go to www.repairclinic.com and buy it

God bless you

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1 Answer

Samsung model smh7178std, shut the door and the fan and lights come on automatically, if i lift up on the door the fan shuts off but light stays on.


some switches are normally closed "short position" press switch "open" it will be labeled NC on the one side, "stands for normally closed" and others will be NO "stands for normally open" press switch "short" if there is no change in readings when you press switch it is defective.

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1 Answer

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I think you will find it is either faulty door switches or a misaligned door catch.
Hope that helps.

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My microwave starts however food does not heat up.


Micro wave as the name suggests produces heat when the micro waves aimed at an object causes the water molecules inside the object to vibrate hence producing heat.The gadget responsible is the magnetron. If your magnetron is not receiving ht voltage or receiving but faulty, then your micro wave wont work please take precaution when opening micro wave due to high voltage caps that remain charged sometimes even when it is off.check the high voltage fuse/ diode and capacitor if they are fine and the step up trans former o.k then the only option is to replace the magnetron

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Microwave door shut, but interior light is on - micro won't work


Yes. One of your door switches is not working. It could be an alignment issue or a faulty switch. There are actually 3 switches in the door latch area.
Eric

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1 Answer

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