Question about GE Spacemaker JVM1640SJ Microwave Oven
Our vent vents out the side of the house. Now that it is winter, there is a steady stream of cold air coming in through the vent under the microwave. The inside of the microwave is freezing too. It works fine, but once the food is done I need to get it out right away or it will cool down really fast. I have checked outside and the flaps on the vent are closed and there is a cover over the whole things. Other than that, I have not had anyone look at it yet.
Sounds like your damper (flap) outside is working, and that's probably the first thing to check. Wind may be also pulling the damper open from time to time. Hopefully the pipe fitting is sealed, and the pipe is insulated anywhere it runs through any unheated portion of the house. Some amount of cold air getting in will be unavoidable. The best bet next might be to look over the two pages in the installation instructions that deal with outside venting. If you don't have the installation instructions, you can get a copy here: http://www.geappliances.com/service_and_support/literature/ Then if you don't notice any obvious problems with the installation, it may be time to contact the installer for their two cents.
Posted on Feb 05, 2007
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