Question about GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

In wall oven vent fan not working

The ovens would previously not work and I just replaced the control board which worked. Then I thought about why the board failed and I realized that neither cooling fan is coming on when I run the ovens. Is there a way to reset the thermal switches or should they be replaced?

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  • Contributor
  • 62 Answers

To my knowledge the switches are not restable. There is a thermal switch that closes and runs the exhaust fan when the microwave becomes too hot.

Posted on May 02, 2014

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MicrowaveSvc
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SOURCE: GE Microwave problems after HV capacitor replacement???

The rectifier diode could indeed be bad. But first I would want to know what value (in uF) the old one was and what is the value of the new one? If they're too far off, the difference in the capacitive reactance could throw off the "tuning" of the circuit. The uF value of the capacitor is optimized in relation to the other components used in the system. Of course, you'd also want to be sure your new cap is at or slightly above the working voltage rating of the old one, too.

Posted on Jan 05, 2007

SOURCE: Oven died while using convection feature

Thanks for the help !! It turned out to be the oven cavity TCO which is in the upper l/h corner under the grill.. I ordered the part which cost me $21.50 incl shipping.. It's not a big deal to change.. I'm just a little ticked off because I've only used this oven 3-4 times.. It was manufactured in July 2003 (I've had it in storage for two years untill my kitchen renovation was done).. If it's acting up now what else am I in store for ?? Well thanks again !!
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Posted on Oct 23, 2007

MicrowaveSvc
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SOURCE: GE Microwave Keypad or Control Panel

If some pads on the keypad are not working, then you have a failed keypad.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

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.

If you would like to have us do this for you, we do that for $39.95 plus part costs.

On this model, the cover will have to come off to replace the light bulb. If it's mounted in the wall, it will have to come down.

The installation instructions are nice to have in this case. You can download GE owner's manuals and installation instructions here.

I have attached a drawing to show where the bulb is on this model. It is located on the right side of the oven next to the wall of the cooking cavity.

The bulbs are available in local grocery stores, hardware stores, and stores like Wal-Mart and Lowe's.

Please feel free to contact me directly if you need more help.

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

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Posted on Sep 27, 2008

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SOURCE: Have a GE microwave spacesaver oven/Model

call a pro. these units run at a deadly high voltage. simply not worth your life!

Posted on Jul 02, 2009

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SOURCE: GE Microwave oven vent fan not working

You are correct the fan motor is either stuck or needs replaced.

There is no way to do this without removing the entire microwave. In case your not familiar with how microwaves work, there is a capacitor that is very large inside and can hold a charge even after it is unplugged for up to 24 hours, please take action to prevent getting shocked.

Posted on Sep 11, 2009

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Light and fan trouble


Fan works when component heat is higher so its normal.

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The control board probably failed and needs to be replaced

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There are no bulletins covering a recurring issue with the exhaust fan on this model, so I would suspect the failing motor, an obstruction in the blades, a loose blade assembly, or a damaged wire arcing to the frame.

It will take some visual inspection with the oven removed from the wall (see your installation instructions) and the cover removed.

The service manuals for the variants are here:

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You can order Samsung parts from the Pros here or from Encompass here.

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

Dec 11, 2012 | Samsung SMH9187 Microwave Oven

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My GE Microwave JVM1850 will not heat unless I put the vent fan on.


That's really odd. I don't believe I've heard of that one before.

I would suspect the problem is on your control board, which in most can be repaired simply and inexpensively.

A YouTube video showing how to remove a typical over the range control panel assembly in under 5 minutes, is here.

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

Nov 30, 2012 | GE JVM1850 1000 Watts Microwave Oven

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I have a Galaxy over the range microwave,mod# 721.80002401. The problem is that the vent fan doesn't work. The unit will heat food, the turntable works the under unit lights work, the display is all...


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

To access & test the hood vent exhaust fan, you'll have to remove 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.

If you've misplaced yours, y
ou can just enter your full model number (721.80002401) at the Sears parts site.

On the resulting page, look to the right for the blue "View manuals" button. Click there.

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That Sears-related site has many free manuals. While the manuals they list there are all free, they may ask you to register.

Many times, the owner's manual will have the installation instructions inside.

If yours is not listed there for free, you would have to order it through the
Sears parts site.

You can remove the oven from the wall, take off the outer cover, plug the oven in, and run it.

Then you can see if the motor leads are getting the voltage they need to run when turned on.

If your cooktop lights recently blew, the resulting surge can damage the controller.

This can often also affect the exhaust fan, cooling fan, turntable, and/or inside light operation, too.

We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

Details of our service are at our Web site, along with a video showing how to remove a typical over the range control panel assembly in under 5 minutes.

Feel free to contact me directly with your brand, full model number and symptoms.

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

May 28, 2010 | Kenmore 64002 Microwave Oven

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The second under cabinet light went out with a pop, and the vent fan went out with it. Is there a fuse for both somewhere? The turntable motor and light and fan still work. Will th vent fan come back on if...


There is a varistor or thermostat switch mounted on the wall behind the control panel. I unpluged the leads and shorted them together. the fan and lights started working again. I got another microwave off freecycle.org for parts. I noticed a lot of sites tend to point to the control panel for a $36 to $100 board repair. Don't fall for it. H.G.

Jan 03, 2010 | GE JVM1660 Microwave Oven

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My DSpacemaker JVM 1640BJ fan doesn't work


I would wonder if you've had trouble recently with the cooktop lights?

Such failure can cause damage to the control board (which we repair) which can cause either fan to act improperly.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

Also I would wonder if it's the internal cooling fan or the hood vent exhaust fan?

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.

Many brands have 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.

Accessing some parts may require you to pull the oven from the 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.

Feel free to contact me directly (and please include your full model number from the tag in or on the unit) for a free estimate and free tips & do-it-yourself advice.

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

Dec 05, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Stainless steel GE XL 1800 spacemaker works ok except the vent fan doesn"t come on when cooking, which gets to hot and shuts off. The fans work when you push the vent fan buttons and the vent covers...


So the fan motor's 21VAC winding is working. That's good.

But either the fan blade is loose on the shaft (a super glue fix) or the fan motor itself had failed.

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

The fan motor is shown on the diagram there as reference # 78, part # AP3192806, located behind the control panel and adjacent to the magnetron.

I'm not sure you have to pull the oven from the wall to replace it, but if you do, the oven installation (& removal) instructions are included on the tech sheet inside the unit.

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

You can also download GE owner's manuals and installation instructions here.

If you don't find yours I can send you a copy, or if you need more help, feel free to contact me directly (and please remind me of your full model number from the tag on the unit).

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

William E. "Ed" Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Jul 20, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Samsung SMH7178STD microwave fan stopped working


It looks like the part of your computer board on microwave which responsible for controlling light and fan stop working. In this case you have to replace computer board.

Dec 03, 2008 | Samsung SMH7178STD Microwave Oven

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