Question about GE Profile Spacemaker II PEM31 Microwave Oven

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Why does the powers cutoff after a few seconds of heating?

After a few seconds the power cuts off and I have to unplug the microwave and reset the microwave clock.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

pgh_pa_guy
  • 2992 Answers

SOURCE: microwave power shut off and stopped working

You can test safety thermostats with an ohmmeter. There should be a short circuit between the device's two terminals if it's closed. (This doesn't necessarily mean the device is good, though. It might be opening at too low a temperature when the oven is operating.) A high resistance or an open circuit means the thermostat has opened and needs to be replaced. An appliance parts store should have suitable replacements, or you can order from a number of online vendors. I usually start at the Sears parts site. They have part information for many models, and usually pretty fair prices for parts. But once you have the part number you need, a Google search will let you shop around.

It does sound like your oven shut down because of a thermostat. One is normally mounted on the magnetron tube that supplies the microwaves, and another is on the cooking cavity. I've had to replace these many times. If the main power fuse blows the oven will not come back on until it's replaced. But you might also have bad solder connections causing the trouble as well. I've seen solder joints on the control board and power filter board cause dead ovens.

If you're not absolutely sure of what you're doing working on a microwave, you might want to let a professional check it over and make an estimate. There are potentially lethal voltages present, and microwave leakage may be a concern as well.

Posted on May 28, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: microwave won't heat

Sorry my Clarification Request came out as a single blob of a paragraph.

That's not how I typed it. I never write that way!

So I've pasted it here, but as a solution.



Magnetrons generally should last about 2000 hours, but several factors can shorten that.

If it's not OVER ten years old (from the purchase date or the date on the tag inside the unit) then the magnetron is still under warranty.

From the owner's manual:

"For the second through the tenth year from the date of original purchase

"The magnetron tube, if the magnetron tube fails due to a defect in materials or workmanship. During this nine-year limited warranty, you will be responsible for any labor or in-home service costs.

"For the above limited warranty: To avoid any trip charges, you must take the microwave oven to a
General Electric Customer Care® servicer and pick it up following service. In-home service is also
available, but you must pay for the service technician’s travel costs to your home."


GE Customer Service is here, and you can verify the warranty status and find your nearest authorized servicer.

If you're sure the magnetron's bad, it's still under warranty, and you or a friend are handy, they will send you the magnetron to do it yourself. Call them at 888-239-6832.

Be persistent. You may have to speak with a supervisor.


It does sound like the magnetron overheated and the magnetron's thermostat opened until it cooled down.

An overheating magnetron can be due to:

  • operating oven without cover(s) in place
  • wrong magnetron installed in oven
  • an old or otherwise failing magnetron
  • cracked magnetron magnet
  • improper power line voltage (should be 110-125VAC)
  • foods low in moisture (popcorn & bacon, e.g. - add 1/2 cup of water in rear oven)
  • failed or inoperable cooling fan or hood vent exhaust fan
  • deteriorating foam weatherstripping seals in air ducts or on outside cover
  • blocked air vents (dust, animal nest debris, insufficient free air space behind & around oven, etc.)
  • clogged or greasy charcoal filter or grease filter
  • blocked duct in hood vent exhaust
Since yours is a counter top model, there are less of those factors to worry about.

When you hit Start to microwave, do the inside light, cooling fan, and turntable all come on?


Any unusual noises? Is it louder or quieter than usual?

We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are operating here.

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

Let us know what you find out or decide.

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

Posted on Jul 07, 2009

  • 1 Answer

SOURCE: sylvania p70d20al-d5 microwave keeps beeping

I have the same problem with my microwave, the clock disappears and it says "enter" and "amt", I figured out it's the "beverage" button that is sticking. When I want to use it I just press "beverage" and then "reset" and just press them over and over until it stops. Usually it's on the first try, sometimes I have to press them a few times. Just don't do what I'm about to type though, I decided to get my razor knife and cut the button out carefully, I only cut the contacts on each side of the button, now no buttons work, I should have left it the way it was, at least I could use it that way.

Posted on Aug 08, 2009

  • 1 Answer

SOURCE: GE spacemaker Power goes off and clock needs resetting

Try going to the breaker box and shutting off the power to the microwave for 10 minutes. After 10 minutes, turn back on and set the clock. This fixed my clock and turntable both. Apparently turning off the power resets the software in the clock.

Posted on Sep 19, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: ge spacemaker jvm1650sh01 starts to microwave then loses power

See this FixYa solution.

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

Posted on May 30, 2010

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1 Answer

Microwave would cut off after a few minutes and then turn back on but now there is no power at all.


There are few reasons for this fault, but the main is that you need to open your microwave oven and first check the Fan which is connected at the back which cools the magnetron.
If this fan fails thus results in magnetron being overheated and the thermal cutoff gets open circiut and shuts down whole power of your microwave oven.
Check your fan motor test it straight with direct power
Also check the thermal cutoff.

Let me know after you have done those checkups



Regards
Ashwin

May 22, 2015 | Magic Chef MCD1611ST Microwave Oven

1 Answer

Microwave does not heat


please follow this steps and fix it. God bless you
  1. Check the power diode This electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitor Responsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetron Responsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal Cutoffs Examine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.

Dec 09, 2013 | Panasonic NN-S561 Microwave Oven

1 Answer

P80D20EP-Y6A not heating atall and has S1 symbol which ive never seen


reset the system: God bless you
  1. Controller is confusedA power surge or random non-reproducible action of the universe may have resulted in the controller's program ending up in an infinite loop. Pull the plug for a minute or two to reset it.

  1. Check the power diodeThis electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitorResponsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetronResponsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal CutoffsExamine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.

Oct 25, 2013 | Microwave Ovens

1 Answer

I put a mug of water in the microwave, left the room. Came back, and the room was filled with a burning electrical/plastic smell, no visible smoke. Now, the microwave completely powers off after 1 second...


Since there was no smoke, it's not a transformer. It's most likely a high voltage diode or magnetron. The magnetron would be over heating and opening a thermal cut out mounted to or near it.

Oct 19, 2013 | Samsung SMH9187ST Microwave Oven

1 Answer

Oster OM1201E0VG countertop microwave


It sounds like the thermal fuse may be defective, or the fan is not running, or the magnetron is getting to hot. If there are any heat issues the thermal fuse will cut power and reset in 5 minutes.

Mar 07, 2012 | Oster OGB61101 Microwave Oven

1 Answer

My microwave want cook


Hello

and/or circuit breakers, particularly in the case of recent power failure, and reset if necessary.


Unplug the microwave, wait 30 seconds and plug back in to the power supply to reset the microcomputer.


Open and close the microwave door firmly and press "Stop/Reset." Select a new cook time and press "Start."


Ensure a proper cooking temperature and/or time is chosen, as low cooking temperatures or short cooking times may prevent the microwave from heating food appropriately. Press "Power Level" to ensure the microwave is cooking at 100 percent power.


Contact an authorized service technician if the problem is still unresolved.

Oct 04, 2011 | Sanyo Microwave Microwave Oven

2 Answers

Cuts out everytime you put food in, any mode any food, then displays sensor on panel displayed. May run for a few seconds then cuts again Rob.


Hi there,

It could be either the magnetron thermostat or the cavity thermostat would be faulty, depending on the microwave but in most cases it would be a thermostat.
First of all you can try cutting the power to the unit for 5 minutes, then retry it.
Call 800-626-2005 GE costumer care You will probably need to provide your serial number when you call so be sure you have that ready.

Good Luck!!

Thanks

Oct 16, 2009 | GE Profile Spacemaker Over-the-Range...

1 Answer

Microwave lost power in the middle of heating a lunch. Later power came on with PF in the display. Is this normal?


it seems the thetmal cutoff(TCO) mounted on the magnetron to protect it from overheating is going off.it opens out when magnetron overheats and cuts the power to the control board and after the magnetron cools down tco resets and power to control board is restored with the sign PF(power failure).the fan that cools the magnetron may have gone bad.i think u will need a tech 2 chk it out.

Aug 17, 2009 | Hotpoint RVM1625 Microwave Oven

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

1 Answer

Microwave oven


Yes, it could be. The first thing to try is a "hard reset".

Unplug it from the power line for a few minutes, plug it back in, then try again.

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

We appreciate your thoughtful rating of our answer.

Nov 10, 2007 | Microwave Ovens

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