Question about Microwave Ovens

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Power surge There was power surge and unit was working fine until last night when the fan and microwave came on. is the unit salvagable

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  • Microwave Ovens Master
  • 9,085 Answers

Please post a new help request here on FixYa and include the full model number from the tag in the cooking cavity or elsewhere on the microwave, such as the door frame, controller frame, etc. and detailed symptoms and when they occur.

Posted on May 04, 2013

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6 Suggested Answers

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Posted on Jan 02, 2017

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atomicflash
  • 17 Answers

SOURCE: microwave stopped working last night

If the microwave worked for a little while after you plugged it in again then it is just overheating.It is usually just dust/dirt collecting on the vents.the fan,and the magnetron(the thing the fan blows on).If cleaning all these doesn't solve the problem you may have a bad high temp overload sensor,and need to replace it.(this sensor is usually mounted directly on the top of the magnetron.The magnetron is the part that actually puts out the microwave signal.I've never seen a reset button.The high temp sensors reset themselves automatically.

Posted on Jun 24, 2009

localwonder
  • 6784 Answers

SOURCE: I have a GE microwave, model JVM 3670 BF03. It is

HI. in most cases, this will lead to a failed Heating device(magnetron tube).It would be wise to check the Magnetron cutoff fuse to be sure of its integrity. if the fuse is blown, simply replace it. if the fuse continues to show continuity, replace the magnetron.

(((The fuse is located inside the unit along side the magnetron)))

Posted on Aug 19, 2009

MicrowaveSvc
  • 9085 Answers

SOURCE: GE jvm187osf02 microwave loses power

It may be a blown fuse or the thermal cutout (T.C.O.) or thermostat on the magnetron or on top of the oven cavity.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

Accessing some components (especially the oven cavity thermostat) for testing and possible replacement will require you to remove the oven from the wall and take off the outer cover.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) 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, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on Aug 20, 2009

dmftrucker
  • 1922 Answers

SOURCE: loss of power

yes remove outer cover its a 15 or 20 amp ceramic cartridge type fuse

Posted on Oct 13, 2009

arikrom
  • 528 Answers

SOURCE: my Panasonic nn-s262 microwave/fan keeps reseting

internal short that can damage your control panel but do not try to fix it yourself its got 4000v !!! sorry :( your life worth more then this microwave.

Posted on Jan 01, 2010

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1 Answer

My Oster microwave. Last night we had a pretty big storm, this mourning I tried to use my microwave, No power. I switch plug in outlet ...Nothing happens. How do I get the power back on ?


Depends on what blew, if ti is a power surge is will blow out the low voltage transformer on the main board before it will blow the fuse in the unit, so Probably will need new main board. Problem will be finding someone who carries parts for Oster Microwvaes.

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SEEING AS HOW YOU USED IT THE NIGHT BEFORE, THE PROBLEM SEEMS TO BE THAT YOU MAY HAVE BLOWN A FUSE OR A THERMAL CUT OUT (TCO) THERE ARE SEVERAL DIFFERENT FUSES IN THIS MICROWAVE. IF YOU'RE INTERESTED IN SALVAGING THE MICROWAVE BECAUSE YOU LIKE IT, I WOULD HIGHLY RECOMMEND CALLING A TRAINED PROFESSIONAL TO FIX THIS UNIT BECAUSE THIS UNIT IS HIGH VOLTAGE WHEN IT'S RUNNING AND HAS VERY HIGH POTENTIAL TO KILL YOU. BE VERY SAFE WHILE INSPECTING ANY FUSE FOR CONTINUITY (0OHMS OF RESISTANCE ON YOUR METER.) NOTE THAT SOME THERMOSTATS IN THIS UNIT LOOK LIKE TCOS.

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I have a JVM1850 that was installed 4 years ago. The unit was working fine, then a day ago I received an error display requesting a charcoal filet replacement. No filter is needed since it is vented...


I have a JVM1850 White microwave-over the oven-installed 3 years ago. Last evening the unit would not turn off. The inside light and fan continued to run, however, the microwave was not working.

All the controls and functions seem to operate, but when completed, the unit remained working, as stated above, with the door opened or closed.

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1 Answer

Microwave stopped working last night


If the microwave worked for a little while after you plugged it in again then it is just overheating.It is usually just dust/dirt collecting on the vents.the fan,and the magnetron(the thing the fan blows on).If cleaning all these doesn't solve the problem you may have a bad high temp overload sensor,and need to replace it.(this sensor is usually mounted directly on the top of the magnetron.The magnetron is the part that actually puts out the microwave signal.I've never seen a reset button.The high temp sensors reset themselves automatically.

Jun 23, 2009 | Panasonic NN-T654SF Microwave Oven

1 Answer

2006 Frigidare Gallery Series 7G61704301 dosn t work


Did you have a power surge? Try unplugging the unit for 10 min and plug back in to reboot the curcuit board. If letters and numbers are being displayed it usually means the board is confused or fried.....

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Frigidere PLMV169DCD


You most likely had a power surge and blew a fuse. First unplug the unit,then remove the top grill. There will either be one screw on top of the control pad or 2 on the left side. open the control panel and look for a fuse that has a ceramic center and replace it with a 20 amp one. You can find these at the hardware store

Jan 31, 2009 | Frigidaire PLMV169DC Microwave Oven

1 Answer

Will not turn on, clock & light do not work, breaker on


try unpluggin it for a few minutes then pluggin it back in, but it sounds like it has been hit by a power surge.

Dec 30, 2008 | Panasonic NN-T793SF Microwave Oven

1 Answer

GE Spacemaker XL14, night lights won't work


We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid in about a week.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.

Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa.


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

Nov 29, 2008 | GE Microwave Ovens

1 Answer

Child lock on and don't know how to turn it off


The first thing to try is a "hard reset". Unplug it from the power line for a few minutes, plug it back in, set the clock, then try again.

The manual says to turn it on or off, hold the Cancel button for 5 seconds until you hear the tones.

If you still have trouble after that, the surge may have done some damage, even though the unit has built-in surge protection.

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

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