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Question about GE XL1800 1100 Watts Microwave Oven

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Microwave Steams Up, Heats Up, and Shuts off!

Anytime I try to cook something for more than a few minutes (say, making rice in the microwave or defrosting something), the microwave just shuts off mid-heating, then comes on again some 20 minutes later. When the door is opened it is often very steamy inside, indicating to me that some overheating sensor has been tripped. This model has the built in fan, and the door does open during heating and the fan sounds like it may be running, it just simply isn't cooling the microwave or removing the excessive steam. I did not install this microwave myself, so I'm hoping to get some advice on where to start looking for the solution before I start tearing apart my new kitchen! Thanks, Matt

Posted by Matthew Ring on

  • 2 more comments 
  • Matthew Ring Mar 20, 2007

    Thanks for the response bassplayer. I'm thinking it may not be properly ventilated, but am I not right in assuming that if the front vent cover opens and closes when heating that it is working? Where else does there need to be ventilation?

  • bjimswife Jun 20, 2008

    Samsung microwave gets steamy inside and will turn off. Once cool it will work again (limited). I do not hear the fan that I normally hear running during operation.

  • djmangus Aug 24, 2008

    when cooking on high for several minutes- baking potatoes for instance- M icrowave loses power. no lights or fan-nothing. After about 10 to 15 minutes a clicking sound is heard and microwave displays PF. then it is ready to use again. Microwave was in a house when we bought it and after this started happening contacted dealer and another brand new hotpoint was installed. Same results. The fan is venting out of the house when using but it still shuts off.

  • Anonymous Mar 19, 2014

    It shut off while I was cooking and wont come back on



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  • 38 Answers

First of all your mwave needs to be properly ventilated .the problem is your magnetron when heated the thermal cutof switch cutts out power to again when cool.change magnetron

Posted on Mar 20, 2007


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