Kenmore Elite Gas range, model # 790.79363401 The range works but the oven does not seem to heat up. It appears to ignite, just not get hot.

An oven that is not heating up and that won't heat up is usually the result of an igniter being faulty for a gas ovens or heating elements for an electric ovens. If both your gas oven and your gas burners have stopped working then the problem is most defiantly with the gas line and will have to be fixed from someone that repairs ovens and stoves.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons.

Most modern ovens use an electronic control board
to control the oven functions. These models will use the control board to operate the oven safety valve on a gas range or oven, and the bake and broil elements on an electric range or oven. If there is no power to the igniter circuit, or the element circuits, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

It could possibly be you are not getting 240 volts to the range. The top igniter may be getting a current back through the other side of the 240 circuit and that is why it works when the oven is turned on but the oven will not be getting power to heat. Have the 240 circuit checked or make sure the circuit breakers are reset correctly.

see this instructions and fix it. God bless you

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5. How to Troubleshoot a Gas Range Oven That Won't Heat

How to Troubleshoot a Gas Range Oven That Won't Heat
By Kefa Olang, eHow Contributor

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Although gas range oven may prove useful for cooking and baking, they may fail to ignite if they aren't properly maintained and set up. Lighting a gas range often involves simply turning a knob; however, blockages from food particles and debris caught in the burners, improper burner cap installation and gas supply are common problems that interfere with your gas range oven's performance. A few troubleshooting guidelines may solve these problems safely.

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Things You'll Need

• Toothpick
• Paperclip

Instructions

1. • 1
     Check you have gas in your tank if your gas range oven won't heat. Contact your gas supplier if you've run out of gas.
     
     
   • 2
     Clean the burners if you have gas but your burners still won't ignite. To clean the burners, lift the burner caps
   • 3
     Inspect the small vertical holes on the side of your burners for dirt, food and debris. The gas won't ignite if they are clogged. Scrape dirt, debris and food from the vertical holes using a pointy object such as a toothpick or paperclip.
     
     
   • 4
     Reinstall the burner caps properly. If they are tilted or wobbly, the gas may not ignite. Install the caps on the right burners. Some burners are smaller than others, so match the caps to the appropriate burners.
     
     
   • 5
     Move the burner knob to the "Lite" position and wait for the gas to ignite. If it ignites, rotate the knob to your desired setting. If it doesn't ignite, contact a qualified appliance technician.
     
     

Replace the oven igniter.

Hi,

The ignitor is not working right and is going bad....
have the repair man replace the ignitor, or DIY....
Check out this tip about your problem...

Oven not Working or Oven not Heating

Oven Problems Replacing the Igniter


heatman101

If the ignitor is dammaged(slight Break) it will not glow and not allow ignition. The glow bar ignitor has probably got dammaged. Have you moved the stove ?

go to www.repairclinic.com enter model number and look for the igniter it seems to me you need to change this part. Note it is very fragile.

The igniter needs to be replaced. I had the exact same thing happen to my oven. The igniter would glow, but after tested, it did not have enough amperage to actually ignite the gas, so the gas kept running with no ignition

your ignitor is bad, the thing that glows in the broiler compartment. two 1/4" screws and one plug, simple fix. you can do it. just call a local parts store with model # and brand,