Question about GE Spacemaker JVM1640SJ Microwave Oven

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Vent door opens when I turn on vent Fan

I have installed this to duct all fumes out through an exhaust stack. It seems that the vent door opening, when I select the vent fan, allows fumes to bypass the grease filter. Is there any way to cancel that option so all of it goes through the filter?

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Your best bet is to have a look at the owner's manual and installation instructions, which you can find here.

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

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

Posted on May 02, 2008

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Condensation between door glasses


This moisture can accumulate from certain types of cooking (lots of boiling) in the microwave or in extreme cases, from a blocked grease filter or exhaust vent duct.

Spills or large amounts of accumulated moisture should be wiped off. Minor amounts can dry out by themselves easier if you leave the door open after cooking.

Also, when boiling on the stovetop, you should always use the hood vent exhuast fan to keep steam and grease out of the controls and the door area of the microwave. I always recommend using the vent fan with any cooking on the stovetop.

As long as it is not rusting the metal mesh screen or other parts of the door, it can be allowed to dry out over a period of days with the door open.

If it is a convection microwave, using the convection heat will help it dry.

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Your magnetron is overheating, which can be caused by:


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  • cracked magnetron magnet
  • improper power line voltage (should be 110-125VAC)
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My Kenmore Elite electric stove top will turn on fine, but it will randomly cut off. Then none of the burners will heat up, but lights are on like all is fine. If I turn off the power for 5 minutes it...


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.

An overheating magnetron can be :
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  • wrong magnetron installed in oven
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  • cracked magnetron magnet
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  • clogged or greasy charcoal filter or grease filter
  • blocked duct in hood vent exhaust
I suspect a failure or the fan, clogged filter or bad magnetron.

I appreciate your thoughtful rating of my answer.

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KK

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Please call Samsung's Service Division at 800-932-3837.

If they cannot help you, they should be able to give you another number to call.

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

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From looking at the owner's manual, it looks like the vent fan is only supposed to come on when the internal temperature of the microwave gets too high OR when you press the VENT FAN pad. Here are a couple of fan-related excerpts from the owner's manual, which can be found here: http://products.geappliances.com/ProdContent/Dispatcher?REQUEST=SKUOBJECTS&DOCUMENT=Use%20and%20Care%20Manual&SKU=JVM1840BD (or the better URL here: http://tinyurl.com/yn7r6g) Automatic Fan An automatic fan feature protects the microwave from too much heat rising from the cooktop below it. It automatically turns on 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. - Vent Fan The vent fan removes steam and other vapors from surface cooking. Press VENT FAN once for high fan speed, twice for medium fan speed, a third time for low faw speed, or a fourth time to turn the fan off. Press the VENT FAN BOOST pad for extra fan speed. - Hope this helps.

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