Question about Microwave Ovens

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Cooling fan diagnosis GE JVM1443WK

I think my cooling fan inside the oven failed.
I can not find any info on it to test to see if it is any good. Has three terminals on it. One has a single black wire, the other has a black wire and orange wire, and the third has a white wire and a pink wire to it.
Not getting continuity from the terminal with the single black wire to either of the other two terminals, but am getting continuity between those two terminals

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  • LMGreen Apr 27, 2008

    That is not the same fan I'm talking about. NOT the vent fan. The cooling fan that comes on when the oven is started. I need to know hot to diagnose if it is good or not.

  • LMGreen Apr 27, 2008

    I'm not going to replace a fan motor without confirming that the motor is bad. The motor is special order and NOT returnable.

  • LMGreen Apr 28, 2008

    I have been having problems with two different microwaves in two locations. One, a Goldstar, and the other this GE. I found the problem on the GE. One of the wires to the cooling fan did not have a good connection to the quick connector. I fixed that and it's working fine now. The Goldstar, it turns out, is just the door switch on top. But what I did notice is that there is no cooling fan in the Goldstar. It uses the ventor fan. And the cabinet behind the control in the Goldstar is empty, especially comparred to the GE, which is full and hard to even get your hand in. It helps that I found a wiring diagram for both units. The GE diagram was tucked in a black envelope away from the electronics. (Hmmmmm) The Goldstar had their's tucked right below the control on the inside.

  • LMGreen May 04, 2008

    Did you READ the "Experts" solutions?
    One had no idea of a second fan motor and the other said to replace the fan or call a service technician. I repair Heating and Air Conditioning equipment for a living, and in the last week I spent a lot of time trying to fix my microwave. I did fix it and it had NOTHING to do with the so called "Expert" advice given. There was a bad crimp of an electrical connector to the wire. Also, one of your "experts" can't even spell properly!
    If I had followed one of your "expert's" advice, I'd be out about $85 and still have a microwave that doesn't work.
    If you feel this is fair, then I feel it fair to post this as a reply to your experts advice.

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Automatic fan feature protects the microwave from too much
heat rising from the cooktop below it. It automatically turns on at
low speed if it senses too much heat.
If you have turned the fan on you may find that you cannot turn it
off. The fan will automatically turn off when the internal parts are
cool. It may stay on for 30 minutes or more after the cooktop and
microwave controls are turned off

You can test it by pressing the vent fan button

Posted on Apr 27, 2008

  • Edgar Allan Pagayona
    Edgar Allan Pagayona Apr 28, 2008

    Hi- im but i cant find any info on the fan that you are pertaining, here is the manual of your unit click on manual so it will direct you to the website

    MANUAL

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  • Master
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Hi firned

u have to fined the same fan of your oven & replace it if u not have idea to change it then go with a good techinision of oven

Posted on Apr 27, 2008

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Ge SPACEMAKER JVM1443WK IS NOT HEATING UP FOOD BUT EVERYTHING ELSE IS RUNNING FINE?


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

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Dec 29, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

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GE SpacemakerXL JVM1443 stays on when door is closed


That's almost certainly a failed primary interlock (upper door switch) or its mount is bad.

See our file on info on door switch diagnosis and replacement.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

mini_manual_behind_grille_small.jpgf1b3b03.jpg

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.

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

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

May 30, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

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GE JVM130K004 space saver microwave not working


The magnetron is overheating, and the magnetron thermostat is tripping, interrupting power until it cools back down.

This is to protect the magnetron from being destroyed from overheating.

It may be that the internal cooling is not occurring or the magnetron is failing. Cooling can be compromised by:

- failed or failing internal cooling fan
- blocked air inlet or filter
- outer cover not installed correctly

There should 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.

dee77f7.jpg

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.

You can find links to helpful exploded view diagrams and part ordering help here.

I'd recommend that your bookmark this link to your favorites.


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

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Turntable wont turn.


On some Samsung/GE models, the turntable motor and stirrer motor are powered off a tap on the internal cooling fan motor and in such cases they will be marked "21V AC".

When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.

I'm instead talking about the internal fan which comes on automatically whenever you microwave.

It is vital that the cooling fan runs, or the turntable and stirrer won't work, and magnetron will soon be destroyed.

A quick test is to remove the stirrer cover in the ceiling of the oven. The owner's manual tells you how, and you can download that here.

Then run the oven for several seconds with a cup of water inside while watching the stirrer blade in the top. It should turn very slowly.

If it does not turn or is jerky, it or the cooling fan is not working.


Also, we have a sound clip of what a microwave should sound like when the cooling fan and everything else is working here.

The cooling fan's absence will be notable after you hear the clip.


The turntable system otherwise consists of the motor, the coupler, the turntable support with rollers, and the tray.

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If the cooling fan is good, but yours won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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.

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

Accessing some parts may require you to pull the oven from thew wall and remove the cover.

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.

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

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CONTROL BOARD HAD FAILED your magntron is starting but the cooling fan for it is not , the control relays that control them enegerize at the same time . if not this is what happens . repair is very costly . ge has had probles with there microwaves for years , when you replace think about another brand . good luck

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GE spacemaker xl microwave oven JVM1440 Two weeks ago after I press 6-express cook stopped and all the lights and clock went blank. In a 10-15 minutes it came back on and the clock would have to be...


Assuming that your internal cooling fan is working, I would suspect that your magnetron is failing.

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

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, and locating components.

I would check the cooling fan, then suspect the magnetron.

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

Nov 07, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Fan problem


So is it cooking okay?

I would guess that your hood thermostat is failing.

The hood thermostat's job is to turn on the exhaust / vent / hood fan whenever the temperature above the cooktop gets too high.

A thermostat can only trip so many times before it starts to fail. Then it may come on by itself from time to time then finally stay on permanently.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa.

We even have a video on our site that shows you how to safely & easily remove the control panel assembly in less than 5 minutes so you can check out your oven.

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

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.

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

Jul 16, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Auto-fan turns on too often.


Normally the exhaust / vent / hood fan will come on automatically if the stove top or the bottom plate of the microwave gets too hot.

Also, there may be some settings for the auto-fan that can work like this.

Consult your manual. If you don't have it, you can download GE owner's manuals and installation instructions here.

Otherwise, the hood fan thermostat may be failing. It should be normally open when you do a continuity check.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa.

We even have a video on our site that shows you how to safely & easily remove the control panel assembly in less than 5 minutes so you can check out your oven.

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

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.

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

Jul 16, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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GE JVM1440 over the counter microwave


If the internal cooling fan is not working (I don't mean the hood / vent / exhaust fan) then you should not use the microwave until it is fixed.

The cooling fan is essential to prevent the magnetron from overheating and being damaged.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

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.

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

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2 Answers

Microwave does not heat


It looks like the magnetron failed on your microwave.
This something that you may be able to do it yourself, just need to keep some good safety measures when it comes to the high voltage capacitor.
This may be the magnetron for your appliance: http://cgi.ebay.com/OM75P-GE-Samsung-Microwave-Magnetron-Tube-WB27X10017_W0QQitemZ170195128083QQihZ007QQcategoryZ150140QQcmdZViewItem

Good Luck.

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