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butch194928  
#1 Posted : Friday, March 26, 2010 6:34:48 AM(UTC)
butch194928

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Making a strained noise. Seems to be working harder than usual. Safety thermostat shuts microwave down to cool off. Something is heating up. Door switches all work. Could it be magnatron tube?
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butch194928  
#2 Posted : Thursday, April 1, 2010 10:28:09 AM(UTC)
butch194928

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[quote=butch194928;202028 Model # RvM1335BC001 Hotpoint over the range microwave. Making loud humming sound. Still works well. Heats normally. Shuts down, probably safety thermostat shutting down because something is heating up. Cools down then comes back on-line. Magnetron or Diode maybe? HELP PLEASE.:eek:
Gene  
#3 Posted : Thursday, April 1, 2010 2:55:12 PM(UTC)
Gene

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Remove the top grille, open the control panel and check the cooling fan (#94 on the diagram).

- The cooling fan assembly Part number: AP2631449
JoyceU  
#4 Posted : Tuesday, April 6, 2010 10:53:34 AM(UTC)
JoyceU

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My microwave is will go for 4 minutes and shut down to cool off. What is the solution?
Gene  
#5 Posted : Tuesday, April 6, 2010 11:02:00 AM(UTC)
Gene

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Sounds like there is a problem with the cooling fan.

Gene.
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