Question about Panasonic NN-H765 Microwave Oven

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Microwave shuts off

My microwave shuts off after approximately 5 seconds and there is a smell. Any idea of the problem or a solution?

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I would suspect an inverter problem.

Due to the lethal voltages used and produced in these inverter-based models, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here.

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

Posted on Jul 02, 2008

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1 Answer

Sharp microwave r1870 only runs for 59 seconds


If it consistently runs for exactly 59 seconds, and shuts off, it's probably the control panel.

If it runs approximately that length of time, you might have a defective thermal protector on the magnetron, or the magnetron is running too warm for some reason.

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We have a GE profile microwave with inverter tech that will come on for about 5 seconds then shut off. Unplug it and plug it back in it does the same thing. It lets off a terrible smell almost like a...


Remove vent grille, then remove control panel. Check wire to cavity thermostat. Sometime wire bundle and small space causes poor terminal connections on this thermostat and will burn wire terminal. Cut off bad part of the wire, install a small terminal end, reconnect to thermostat. If thermostat is destroyed, also replace thermostat.

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you must open inside see the diagram, and see 1) burn cable 2) fuse 3) diode 4) capacitor 5) magnetron 6) bulb etc.
God bless you
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Oven accidentally operated without any contents and cut out with a smell of burning. Subsequently the oven only runs for approximately 22 seconds before stopping. Any ideas?


It will require a new magnetron and possibly power supply for it. The magnetron will destroy itself if it has nowhere for the energy to go.

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Microwave starts to work then cuts out after a problem I had.


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1 Answer

Sharp model R-1871 shuts off every 59 seconds


This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.

Sharp models stop after 59 seconds.

See the attached sample drawing for a typical damper assembly.

We have the applicable service manuals for these models and have uploaded it to our site here and here to help you.

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

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

b27054b.jpg

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1 Answer

Microwave Oven shuts off after 5 seconds


What type of microwave is it (make and model)?

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Whirlpool over the Stove Microwave


This sounds like the unit is defective and if I were you I would return for replacment!

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Timer Shuts off after 5 seconds


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.

Is it 5 seconds or 5 minutes? The difference coulsd be important, but either could indicate a bad magnetron.

Let us know if the hard reset doen't fix it.

Please write back with more details if you need further help.

We appreciate your thoughtful rating of our answer.

Nov 18, 2007 | GE JES1289SK Microwave Oven

1 Answer

Unit Electrical Problem


If it blows the fuse as soon as you hit the START button, it's almost certainly a shorted high-voltage capacitor.

If it blows a few seconds after you hit the START button, it's probably the high-voltage transformer. You'll possibly also smell a faint electrical burning smell from the rear vent after you shut if off.

Microwave can be very dangerous so it is best to have it looked by a professional

 

Would appreciate a solved rating for expert advise.

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