Question about GE Microwave Ovens

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It goes off and says to set the clock. When clock is set, it runs for 2-3 seconds, goes off and says to set the clock.

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Sadly, we hear of this over and over.

This is usually due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.

If your magnetron was recently replaced, it may have loose mounting nuts or bolts or maybe the wire mesh RF gasket was not installed or got pinched.

It may also need a new high-voltage diode and stirrer, and the cavity may be affected.

Details are in a bulletin at http://207.234.249.73/mwd/ge_mw_mag_kit_bulletin.pdf

Even if your model is not on the list, the same problem can occur, requiring a kit.

The parts kit is similar to this one: http://207.234.249.73/mwd/wb27x10489_ge_mag_stir_kit.jpg

(Your model may use a different kit - this is shown for illustration purposes only).

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting.

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

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

Posted on Jul 08, 2008

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1 Answer

I have a Whirlpool WMH2175XVB-2 Microwave. It runs for 2 seconds and goes back to the clock. The 24VDC Contact is making a clicking sound for the 2 seconds.


check for diodes that are fixed parallel to the coil of that Relay.
It can be replaced with IN4007.with correct polarity

Mar 28, 2014 | Whirlpool Microwave Ovens

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The timer doesn't work right.


Are you programming it for 2:00 or just pressing 2, then Start?

Try resetting it by unplugging it for a couple of minutes, plugging it back in, then setting the clock and trying again.

Jan 08, 2013 | Maytag MMV5207A Microwave Oven

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Sometimes oven does not work. when ya hit start it just clicks - the screen looks normal for about 2seconds & then shows the clock time.


Sounds like is what's happening:

Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back.

That would be a bad upper interlock switch and charred connector. If so, see:

http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt


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

Dec 11, 2012 | Panasonic NNSN797S Microwave Oven

1 Answer

I have a Panasonic microwave convection that runs for 2 or 3 seconds, then cuts off. It doesn't matter what setting or length of time you program into it, it will run a couple of seconds and shut down. Is...


See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see http://207.234.249.73/mwd/safety.txt , http://207.234.249.73/mwd/disassembly.txt and http://207.234.249.73/mwd/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

That may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


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

You can find an authorized Panasonic servicer here.

In Canada, 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.

Sep 08, 2010 | Panasonic NN-C994S Convection/Microwave...

1 Answer

Microwave only runs for about 3 seconds.After


Chances are you have a failing magnetron.

But to allow us to help you effectively (at no charge), please post a
NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, your symptoms, "Microwave only runs for about 3 seconds then stops and the timer goes back to the clock mode.After several attempts then it will work.Problem is intermitten"

Dec 04, 2009 | Panasonic NN-S252WF Microwave Oven

1 Answer

Turns itself off after only running 2-3 seconds


See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see http://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

It may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


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

You can find an authorized Panasonic servicer here.

In Canada, you can find an authorized Panasonic servicer here.

If yours is not a Panasonic, Please reply back with your brand and model number so we can help you.

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

Aug 08, 2009 | Panasonic NN-SN657SMicrowave Oven

1 Answer

Toshiba micriwave time setting


These manuals are no longer available, but maybe one of these key combinations will work:

CLOCK > 1 > 2 > 3 > CLOCK

CLOCK > 1 > 2 > 3 > START

CLOCK > CLEAR > 1 > 2 > 3 > CLOCK

CLOCK > CLEAR > 1 > 2 > 3 > START

Please let us know how it goes.

Nov 04, 2008 | Microwave Ovens

2 Answers

I have lost instruction book for Sharp Compact R250A microwave oven-how do I reset the clock?


May be a little late, but... 1. Press Power Level button for approx 5 seconds - you get the 12 hour clock 2. Press again for 24 hour clock 3. Set hours using the 10 min and 1 min buttons 4. Press Power level button 5. Set minutes using the 10 min and 1 min buttons 6. Press Power level button And you are done
Gert

Aug 05, 2008 | Sharp Microwave Ovens

2 Answers

Power cuts out after about 5 seconds


Hi try unplugging form mains for an hour this will reset any settings back to factory settings let me know what happens after doing this then i can assist you further ok

Mar 19, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

3 Answers

The microwave starts, then stops 2 seconds later


I tried a solution posted on another posting http://www.fixya.com/support/t242480-stops_cooking by placing the conductive plastic behind the control panel and it worked.

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