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Fan runs by itself

Fan turns on by itself while nothing else on

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Microwave fan goes on by itself without burners being on or used


It sounds like you understand that the exhaust fan is SUPPOSED TO come on when the microwave oven gets hot when exposed to the heat of the range below it, since you mentioned that no burners are turned on. So in that case, I'm pretty sure that you have a bad fan thermostat. It's usually located behind the control panel on the bottom (inside bottom) of the microwave floor.

Dec 26, 2014 | Kenmore Microwave Ovens

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Why is my microwave running on it's own?


I would start by unplugging it then take it to a service shop or replace it.

Aug 24, 2014 | Hamilton Beach Microwave Ovens

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Dacor Microwave DCM24S cooling fan continues to run


follow this steps and fix it. God bless you

  1. Interlock switchIf your microwave is turning itself on, the first thing to check is the interlock switch. This is usually the first thing to malfunction that could cause this issue. If the interlock switch is bad then it will need to be replaced.
  2. Main control boardIf your microwave is turning itself on and the interlock switch is still working, the probable cause is the main control board. If the control board is defective it will need to be replaced.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#9#ixzz2aNH65mG4
http://www.appliancepartspros.com

Jul 27, 2013 | Dacor DCM24SS Convection Microwave Oven

1 Answer

Fan start running by itself


many microwaves will turn the fan on or off by themselves, when there is excessive heat they kick in and attempt to clear the air (in so many words) when this happens you can not control the fan, the microwave will not respond to off commands until it has determined there is no longer a need for it.how long has it been on?is your stove on?many times smoke alarms are tied in- are they properly functioning?if all fail you may need repair -as you should be able to control this function of the device! good luck more question just ask

Mar 29, 2013 | Magic Chef MCO160UB Microwave Oven

1 Answer

Sharp 2010 turns itself on, fan runs but does not microwave


The repair or replace decision depends to some extent upon age and repair history.

Oct 04, 2017 | Sharp R-1210 Microwave Oven

1 Answer

Exhaust fan is running constantly, without even


It could be that the fan button is sticking or a contact has welded itself closed therefore its getting power all the time.

Mar 08, 2010 | Maytag Appliances Over-the-Range Microwave...

1 Answer

GE Microwave Profile Spacemaker Runs on its own


Your microwave turning on by itself is a "self preservation feature" of the GE Profile Advantium and maybe some other models. Read the manual, When your over the range oven gets warm enough, for whatever reason the venting fan comes on until a satisfactory oven temperature is reached. You are not permitted to shut the vent fan off. Also it seems a temperature near room temp must be achieved before it shuts the fan motor off, it is very annoying. We had to return our Advantium because of fan noise. I configured the ovens vent fan to the recirculate direction because we do not have a vent duct that exits the house over our range. When the vent fan acting as the ovens cooling fan automatically turned on we would have to leave the house to hear each other talk. Too bad we really liked the oven other than that major problem. G-Man

Apr 19, 2009 | GE Profile Spacemaker Over-the-Range...

2 Answers

Microwave turns itself off after a couple of seconds


Q - My microwave seems to shut off every once in a while, what might be wrong?
A - Make sure you hear the fan is still operating in your microwave. Next is to make sure the air intake grill on your microwave is not plugged up with air borne dust and dirt.
Q - The fan in my microwave oven is not running will this hurt my microwave?
A - YES, the fan cools the magnetron and electronics, take the microwave in for service, most fans are not too expensive to replace.
Q - My microwave blows the fuse inside itself as soon as I push the start button.
A - Usually a shorted high voltage capacitor...see components section.


Mar 06, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

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