Question about Panasonic NN-S541 Microwave Oven

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Panasonic nnsd277b range microwave Pop

I have the nnsd277b range microwave and i turned it on the other day and heard a pop now there is no power to it at all. Can I fix it or is it garbage?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Pop in the vent area followed by no heating

This is not likely a door switch problem. That pop was probably a part blowing, most likely the high voltage rectifier diode. If you or a friend want to check into and repair this, here is a good link for safety info & do-it-yourself info: http://www.gallawa.com/microtech/diode.html Find & buy GE repair parts here: http://www.geappliances.com/shop/prts/ If that isn't it, please repost with new details. Good luck and be safe. Your rating of this answer is appreciated.

Posted on Nov 18, 2006

MicrowaveSvc
  • 9047 Answers

SOURCE: Over the Counter Goldstar MV1501 1500 watt

You can download the service / repair manual here.

Most computers will open the manual automatically, but you may need the free Adobe Reader.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and reference numbers. Unfortunately it does not give you part numbers for some reason...

You can find & order parts from Encompass here or you can call them toll-free at 866-779-5835.

I would first check the fuse and oven thermostat.

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.

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

Once the fuse and oven thermostat are known good and the microwave functions, if the lights / fan still won't work or won't shut off, then you have a problem with the control board.

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 or so.

At our Web site, you can get details of our service, plus 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.

The lights can can be inoperable or stuck on or no bright, too. Sometimes this will similarly affect the exhaust fan operation or inside light, too.

You should check your light sockets for a short, too.

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

Posted on Jun 28, 2009

erpaalai
  • 999 Answers

SOURCE: heard a pop microwave lost power oven still works

If it was not in use when this happened check the door switches. If it was in use the HV diode or Capacitor could have shorted or a door switch as well. Eric

Posted on Aug 08, 2009

  • 1 Answer

SOURCE: loud pop and microwave doesn't heat anymore

I have a GE Profile Spacemaker model JVM3670WF001, purchased I think in 2003. Pop sound, no Heat. Light goes on, carousel goes around,
Repair or new microwave

Posted on Sep 08, 2009

  • 5603 Answers

SOURCE: Panasonic Microwave NNSD277B 5yrs old makes

You should have no arcing within the unit. Assuming you have adequate food/water in the cavity, it should not arc. You NEVER run the unit without something to be heated in it!!!

You might check the stirrer fan which is often in the roof of the unit to see if contamination might be in the area causing arcing. The electric fields in th area are very high and arcs can jump.

If the insulating window is charred or has charred grease, it should bbe replaced.

Posted on Dec 26, 2009

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1 Answer

I have a Roper over the range microwave and the unit popped while heating some food and I lost all power. The breaker is not thrown and the wall outlet is working?


It is more than a fuse, the magnetron has probably failed. When that pop sound is heard it is usually the above mentioned part which is the heart of the microwave oven.

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A pop is not usually a good sound. You don't give any details about what the oven is doing now, like whether it's still got power but doesn't heat or is completely dead. The usual part that fails is the magnetron tube, the microwave source. In many cases you can replace the oven for less than the cost of a new tube, not even including repair labor. Microwave repairs should be left to professionals, because of potential microwave leakage and the dangerous voltages inside.

If this is a basic counter-top model, just replace it. If it's a high-end model, custom built-in, or over-the-range, you might want to have it checked. Repair might still be worthwhile. But again, leave the repairs to the pros.

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No that is a very dangerous situation. What is sounds like is you had a short that blew apart but not completely damaging the wires. You should unplug, and open it if its out of warranty and inspect the wires. If the wires are partially burned it can heat up and cause an electrical fire.

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Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101
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Panasonic Microwave NNSD277B 5yrs old makes noise after 20sec on (bUzzing and popping)and internal light flashes. Should be replaced or fixed ? what could be the problem?


You should have no arcing within the unit. Assuming you have adequate food/water in the cavity, it should not arc. You NEVER run the unit without something to be heated in it!!!

You might check the stirrer fan which is often in the roof of the unit to see if contamination might be in the area causing arcing. The electric fields in th area are very high and arcs can jump.

If the insulating window is charred or has charred grease, it should bbe replaced.

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