Question about Kenmore 63663 Microwave Oven

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Kenmore Convection/microwave not hot enough

The Model 721-67902 microwave/convection oven does not heat up to the temperature I set it for. Example, I need to go to 425 degrees on the convection oven to get the oven temperature to 350. Any suggestions?

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6 Suggested Answers

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9086 Answers

SOURCE: operating manual for microwave convection oven

You can download a free copy from our site.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jul 08, 2008

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MicrowaveSvc
  • 9086 Answers

SOURCE: GE Microwave/Convection JVM 1090 oven won't reach temperature

You probably have a bad thermistor.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

(At that site, that part is misspelled as "thermister" for your model).

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Accessing some components for testing will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Jan 03, 2009

MicrowaveSvc
  • 9086 Answers

SOURCE: Convection Preheat doesn't reach the Chosen Oven Temperature

I would first suspect the thermister (thermistor) or a low line voltage, weak control board relay etc.

But the service manuals will show you how to safely disassemble, test and repair the unit.

We have the service manuals for this model and have uploaded them to our site here and here to help you.

You will need the
free Acrobat Reader to view or print them in case you don't have it.

The best place to order parts for this brand is Encompass (formerly Tritronics). Or you can call them toll-free at 866-779-5835.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Jan 09, 2009

  • 1 Answer

SOURCE: where can I find an owners manual for a Kenmore

Try managemyhome.com. I have a Kenmore Elite convection microwave and found the manual.

Posted on Apr 18, 2009

heatman101
  • 43501 Answers

SOURCE: My kenomore Microwave has pwer and has stopped heating

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

0ut

Posted on Sep 30, 2010

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Do I keep the glass plate in the microwave when on convection oven mode


If it came with the oven a definite yes as it will be able to withstand the heat during the convection setting. If a ordinary plate is used it must be rated for use in ovens as it will become very hot on convection oven mode. So, if it can withstand use in a ordinary oven it will work just as good in a convection oven.

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I have a kenmore microwave/convection oven model 721.64289300. The microwave stopped heating up but the convection works fine. Is this repairable.


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Details are here, along with a disassembly video.

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Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

heatman101


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Also the fact it is a convection oven could mean the oven temperature sensor is not picking up the oven temp. it is not telling the machine it is there by the board seeing its resistance, the unit will shut off as a safety feature. The oven sees temperature by reading the value of a temperature dependent resistor. As the temperature changes so does the value of the component ( oven temp sensor) that way the unit determines the temperature inside the unit. Sometimes those sensors will break since they are in the area with the heat and moisture, they get old and break.

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Convection Preheat doesn't reach the Chosen Oven Temperature


I would first suspect the thermister (thermistor) or a low line voltage, weak control board relay etc.

But the service manuals will show you how to safely disassemble, test and repair the unit.

We have the service manuals for this model and have uploaded them to our site here and here to help you.

You will need the
free Acrobat Reader to view or print them in case you don't have it.

The best place to order parts for this brand is Encompass (formerly Tritronics). Or you can call them toll-free at 866-779-5835.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Jan 04, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

My kenomore Microwave has pwer and has stopped heating


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

0ut

Dec 26, 2008 | Kenmore 63793 Convection / Microwave Oven

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