Joseph B Sterrett , AL August 09, 2016 Appliance: General Electric Free Standing Microwave JVM1441BH04 Intermittent shutoff from thermal cutout on ge microwave The microwave was shutting off after operating fine for a minute or two. Found that the fan that cools the magnetron had its fan blade assembly spinning free on the fan motor's output shaft. Tried to epoxy the two and failed. Ordered a new fan assembly and it is fixed. Read More... 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Pliers, Screwdrivers