Question about GE Microwave Ovens

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I have a GE profile oven/microwave combo appliance. Microwave is 1.4 cuft and needs megatron and transformer. Will those parts for any ge 1.4 cuft microwave work in my microwave?

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  • 106 Answers

GE profile is a series, not a model. Look inside the microwave and you will see a sticker with the model number on it. Take that number and look it up online you will find many options for the part for your unit. Why do you need both? typically with GE it is usually the mag and maybe the rectifier. If a transformer goes bad it typically burns up and smells horrible. I mostly find bad mags on GE, the ones they use are not very good. OM75P = junk

Posted on Aug 24, 2017

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6ya6ya
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Posted on Jan 02, 2017

SparkGap
  • 363 Answers

SOURCE: I recently purchased this home,

The manual is available on the GE web site
http://www.geappliances.com/service_and_support/literature/
Type in the model number

Good Luck.

Posted on Aug 26, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Profile Advantium 120 Microwave (Model SCA1000DBB03)

We have the service manual for this model and have uploaded it to our site here to help you.

You will need the
free Acrobat Reader to view or print it in case you don't have it.

A microwave can be dead for many reasons.


It may be the fuse, which is usually located behind the grille, on the floor of the oven behind the control panel, between the door switches, or on the filter board near where the cord comes into the unit.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

So don't let that fool you.

If the cavity thermostat needs to be checked or replaced you'll need to pull the oven from the wall.

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.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

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 & testing.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

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

Posted on Dec 25, 2008

stonephoenix
  • 563 Answers

SOURCE: GE Profile Microwave will not heat

Unfortunately, there is no way to tell which part the microwave needs without opening it up for examination. There are a few parts that, if defective, would prevent the oven from heating.

  • a high voltage transformer which passes energy to the magnetron
  • a magnetron which converts high-voltage electric energy to microwave radiation
  • a magnetron control circuit (usually with a microcontroller)
This is NOT a repair that you would want to attempt yourself. The labor for the repair would cost a minimum of $50 and shouldn't exceed $100. You'll also have to pay for the necessary part if it's still available from the manufacture or their parts distributor.

Posted on Feb 04, 2009

  • 1 Answer

SOURCE: oven part works fine, microwave runs but doesnt heat

bad micro switch in door handle, 79.95 for GE man to check,9.61 for the part and changed it myself

Posted on Apr 17, 2009

  • 1 Answer

SOURCE: GE Dual Wave II microwave oven blowing fuse

I have the same issue and the same unit. I wonder if there's a recall...

Posted on Feb 21, 2010

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2 Answers

Our microwave has stopped working for the second time in two years. When you try to heat something, it hums but not quite like it is heating. There is also a funny smell.


SAFTY FIRST

UN -PLUG IT,,,,, THAT "FUNNY SMELL" SOUNDS LIKE IT IS SHORTING OUT
PERHAPS THE MEGATRON HAS GONE BAD, THE MEGATRON IS THE
HEART OF ANY MICROWAVE
AS A EX- FIREMAN, I KNOW FROM FIRST HAND EXPERIENCE THAT
"A FUNNY SMELL " OR " UN-USUALL SMELL COMING FROM AN ELECTRICAL
ITEM IS A SIGN OF DANGER

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I have a replacement magenetron and diode for a GE Profile undercabinet microwave. Can you share the step by step instructions for replacing it? Model number JVM 3670


Disconnect the power source.
Remove the cabinet to reveal the wiring.
Locate the large transformer. Next to the transformer is the magnetron and diode assembly. MAKE SURE THE CAPACITOR IS DISCHARGED AS LETHAL VOLTAGES ARE HERE!
Disconnect the diode and remember where the connections came from, (a phone camera is useful for this job). Remove the magnetron.
Replace the magnetron and fit the diode pack.
Replace the cabinet and test by placing 1/2 litre of water in the machine, having first measured the temperature of the water.
Microwave for 1 minute.
The water should have increased in temperature by at least 10degrees Celcius. If it has, it is to specification and you have repaired your microwave oven.

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I have the same problem. A repair person said that he thought it was the megatron (whatever that is) He suggested just using the microwave until it quits.

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from what you are discribing , I would be looking at the high voltage transformer

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Either magnetron, capacitor, diode pack or transformer has failed causing a fuse to blow.

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Replace the megatron tube; or replace the unit. GE will have a list of tubes. Remove the panel inside the unit to expose the tube. Get the number off the tube and find the replacement on the GE website.

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GE Profile Microwave will not heat


Unfortunately, there is no way to tell which part the microwave needs without opening it up for examination. There are a few parts that, if defective, would prevent the oven from heating.

  • a high voltage transformer which passes energy to the magnetron
  • a magnetron which converts high-voltage electric energy to microwave radiation
  • a magnetron control circuit (usually with a microcontroller)
This is NOT a repair that you would want to attempt yourself. The labor for the repair would cost a minimum of $50 and shouldn't exceed $100. You'll also have to pay for the necessary part if it's still available from the manufacture or their parts distributor.

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