Question about GE Spacemaker JVM1640SJ Microwave Oven

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In wall oven vent fan not working

Both ovens stopped working at different times. I recently replaced the control board and both ovens work. I noticed that neither vent fan is coming on when I run the ovens for a while. They should come on when the switch senses 210 but they never come on. The data sheet says the switches are resetable. How do I reset them or do they need replaced?

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Hi .
what make are they

Posted on Mar 31, 2014

6 Suggested Answers

6ya6ya
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SOURCE: Buzzing noise, wont work???

The magnatron is shorting, overloading the high voltage transformer. From the picture this looks like an older unit and is probably not worth a magnatron replacement.

Posted on Dec 31, 2007

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SOURCE: GE Profile Spacemaker keeps asking for time date reset and will not operate

The power to the unit is drooping (when the heavy microwave load kicks in) causing the reset.
Try plugging it into a different outlet (whole different circuit if possible) and if that works then you have a wiring problem to the original outlet.

Posted on Jan 23, 2008

MicrowaveSvc
  • 9047 Answers

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

b4f2c5a.jpg

Posted on Sep 27, 2008

  • 1 Answer

SOURCE: WHEN PRESSING COOK TIME OVEN CLICKS ON FOR ONE SECOND AND RESETS CLOCK

Try unplugging the unit for 30 seconds, which resets the control board.

Posted on Oct 15, 2008

  • 92 Answers

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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1 Answer

In wall oven vent fan not working


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.

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Unplug for about 5 minutes and allow to reset. If the problem persist, you might want to try replacing the control panel (the one that have all the numbers and timers). Good Luck!

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We changed the charcoal filter & reset it. The vent fan still does not run. I cannot turn the vent on by pressing the vent button but the micro still heats up. What happened to the fan?


follow this steps and fix iT. God bless you


  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#12#ixzz2gURd1VtM
http://www.appliancepartspros.com

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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.

caab351.jpg

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

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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.

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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

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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.

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1 Answer

No fan noise when cooking.


The internal cooling fan is critical. It comes on automatically whenever the oven is cooking.

If the oven is used without its working properly, the magnetron can be destroyed very quickly.

(This of course is different from the hood vent exhaust fan, which you can turn on and off at will)

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.

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

In some models, the motor itself is bad. In other models, it is a bad relay or connection on the control circuit board.

We regularly repair these control panel assemblies for customers nationwide with our guaranteed $39.95 service in about a week.

Feel free to contact me directly (with your model number) for more information & 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

Sep 21, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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