Question about Kenmore 30" Microwave Combination 721.85033111

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Fan not turning off. Microwave shutting off

The fan goes on by itself then won't turn off until unplugged. the microwave shuts itself off after a few seconds.

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  • 2 Answers

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Posted on Jan 02, 2017

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  • 9 Answers

SOURCE: Kenmore 665 68610891- built-in 1998 model

Fan relay on circuit board stuck. Give it a tap (the relay), to free it up. Otherwise get the relay or driver transistor replaced. Easy fix. Take it to an electronic repair place, not the brand agent.(They,ll just replace the whole board).If this Item is under warranty you should not be wasting my time.:::Spiceweasel.au

Posted on Apr 04, 2008

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  • 107 Answers

SOURCE: Microwave hood # 721.80833500

One of 2 things are happening..One of the thermo protectors has a bad connection (Kenmore is good for these) or the Magnetron has a leak inside the control cavity causing a temporary short in the control.

Posted on Mar 13, 2009

  • 1 Answer

SOURCE: FAN WONT SHUT OFF

My Kenmore microwave oven fan has been turning on and off, almost every hour. Sometimes 3 or 4 times in one hour. It's very random. Model No. 721-80593401 Serial No.503TA03208
Please help!!!

Posted on Nov 09, 2009

  • 1 Answer

SOURCE: Kenmore 721 microwave fan turns on by itself

I have the exact same problem with my Kenmore Microwave model 721 that we bought in October of 2005. The Fan will just randomly turn itself on even when we are not cooking. It has been doing this for the last few months and is starting to become more frequent. There is no way to turn it off except to unplug it for several hours.
Was there a recall for this defect ?

Posted on Sep 28, 2010

  • 6771 Answers

SOURCE: why won't my kenmore microwave's exhaust fan turn off?

It is more than likely one of the door switches has malfunctioned, or there is a problem with the keypad control board.

Posted on Apr 19, 2012

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Actually, that's a feature! If you cook much on the range (stove) beneath the microwave, the heat will cause the microwave bottom to heat up quite a bit (just touch it!), and the microwave will turn on it's exhaust fan in an attempt to save itself from burning up. It will shut off in about 15 minutes after you turn off the source of heat.
But if the fan comes on by itself even when the microwave is cool (or at least not hot), then you probably have a defective fan thermostat. This thermostat is located behind the control console on the inside bottom of the microwave.

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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

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What causes a Samsung Microwave exhaust fan to turn on by itself?


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Frigidaire Microwave Fan won't shut off plmv169dcd


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Best of Luck!!! :)

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If the light and fan come on when the door is opened normally, check the door switches.

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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

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1 Answer

GE microwave won't turn off


Just checked the GE website. Had the same problem with my 5 year old microwave. GE website says to close and open the door quickly three times. First time I did this it didn't work. Second time I closed the door with some significant force and reopened it more quickly. Worked. Unplugged the microwave, plugged it back in, still fine.

Mar 21, 2009 | Microwave Ovens

1 Answer

Kenmore 665 68610891- built-in 1998 model


Fan relay on circuit board stuck. Give it a tap (the relay), to free it up. Otherwise get the relay or driver transistor replaced. Easy fix. Take it to an electronic repair place, not the brand agent.(They,ll just replace the whole board).If this Item is under warranty you should not be wasting my time.:::Spiceweasel.au

Mar 30, 2008 | Kenmore 80809 Microwave Oven

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