Question about Microwave Ovens

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Microwave Manufactured in 1999. The other day when I opened the microwave door, the unit lost all power. The outlet is fine, and there was no damage to unit.

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  • 3 more comments 
  • dragon_rider Oct 20, 2007

    Is there a fuse located somewhere inside the microwave housing?

  • gamppa Sep 25, 2008

    I have a built in microwave in my RV. The clock has been running looked at recently and the full unit is dead. Check the switch & circuit breakers. This is a 1998 Sharp model. Thanks for anyhelp, hate to buy a new one.



    gamppadon@frontiernet.net

  • Anonymous Oct 14, 2008

    I tried replacing the fuse and it blows immediately so there is some type of short in the circuit and if you check the company website you find that they have sold their name for the microwaves out and the other company will not stand behind their product.

  • Anonymous Apr 26, 2009

    Exact same issue. Opened the door and poof..no power to the unit anymore.

  • jhalpen822 May 17, 2009

    unplugged microwave for painting in area....plugged back in

    and microwave is not working.....outlet has power and

    cord to unit indicates power....is their a fuse or reset???

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  • Microwave Ovens Master
  • 9,098 Answers

This is usually caused by either a bad door switch or a loose door switch mount.

The fuse is usually located behind the control panel.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 Oct 22, 2007

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Touch screen displays is lit up , but will not respond by touching any of the promts. I have unpluged the unit hopeing to reset no change. unit was working fine the day before.


HELLO.

The solution is to troubleshoot the microwave as explained below.

1 Check the power supply. Make sure the microwave is firmly plugged into a working electrical outlet and that your wall outlet is active if your home uses outlets controlled by a wall switch. Check your home's fuses or circuit breakers to ensure they have not been tripped. Without power the microwave will not respond to any input.

2 Make sure the parental lock is inactive. Some ovens, like the one shown in the image above, feature a keypad lock to prevent children playing with the controls. Most keypad locks can be cancelled by holding down a button or combination of buttons for a few seconds.

3 Make sure the door is firmly closed. Some microwave ovens will not allow any control panel input if the door is open.

4 Remove the microwave from the power, wait 10 seconds, then plug it back in. This will reset the microwave oven if there is a temporary problem with the software.

5 Press the "Stop/Cancel" button several times to cancel the current operation and return the microwave to standby mode. Re-enter your cooking instructions using the keypad as usual.

please let me know the outcome..

thanks.

Sep 10, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

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Model 565.60512000 manufactured 3/2000. there is a L besides the time. I have lost the manual so do not know how to unlock. Instead of seeming locked, I can enter cook time but then the microwave turns...


HELLO.

The problem with your microwave's touch pad needs some simple troubleshooting steps to rectify the problem.

1 Check the power supply. Make sure the microwave is firmly plugged into a working electrical outlet and that your wall outlet is active if your home uses outlets controlled by a wall switch. Check your home's fuses or circuit breakers to ensure they have not been tripped. Without power the microwave will not respond to any input.

2 Make sure the parental lock is inactive. Some ovens, like the one shown in the image above, feature a keypad lock to prevent children playing with the controls. Most keypad locks can be cancelled by holding down a button or combination of buttons for a few seconds.

3 Make sure the door is firmly closed. Some microwave ovens will not allow any control panel input if the door is open.

4 Remove the microwave from the power, wait 10 seconds, then plug it back in. This will reset the microwave oven if there is a temporary problem with the software.

5 Press the "Stop/Cancel" button several times to cancel the current operation and return the microwave to standby mode. Re-enter your cooking instructions using the keypad as usual.

Reach me for further assist.

Thanks.

Sep 06, 2011 | Kenmore 63652 Microwave Oven

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Ran on power for 10 minutes, thought it was on timer.


First, check the fuse usually located above the display, inside the top lid.  You can't see if it's blown, so you must test it for continuity with a meter or self powered test light.  Usually fifteen amp, and of the ceramic variety.  (available at radio shack type places) If the new one blows instantly, it's likely a door switch shorted out.  If it blows after a few seconds, it could be the magnetron gone bad, or internal arcing.  The main transformer will sometimes short out, but that's rare.   Be absolutely careful, should your fingers venture around the magnatron connections down below, as there is high voltage and current that can kill you.  This warning applies even when it's unplugged!
The door switches operate together, so if one slams the door shut it will often blow the fuse with no other damage.  Sometimes the crow-bar switch will sustain damage in the process.  Usually, if the switches click individually, they're good.  If one doesn't click, it'll almost always be shorted.  They're located behind the door catch, inside the unit beside the display board, and a bit hard to access.  You will need to reach past the magnatron for this, so be careful.  

Jul 15, 2009 | Whirlpool GH6177XP Microwave Oven

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No power to the microwave


yes !! check the micro switches where the door latches , you have to open the microwave to check inside if switches are in their place or broken . hope it helps

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Samsung Microwave model # SMH7178STD just stopped working.


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

You can find Samsung-specific parts here: http://www.samsungparts.com/search/search.asp

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