Tip & How-To about Ovens

Oven not Working or Oven not Heating

If your gas oven is not working or not heating then you need to check this out. Today’s gas ovens are not often do not use the simple thermocouple with a pilot to prove the flame anymore. They have a much more complicated method of lighting the burner and proving the flame.

The use of electric igniters has become the standard for many ovens today. The thermostat calls for heat, power is supplied to the igniter, then after a certain amperage draw on the igniter, the gas valve is energizes to open and allow gas to flow starting the flame. As long as the amperage draw on the igniter is high enough then the gas valve stays open till the thermostat is satisfied.

Sometimes the igniter will crack and no current will go through and the igniter will not even heat up or glow. Sometimes the igniter will wear to the point where it will still heat up and glow, but the current draw will not be high enough to allow the gas valve to open. This creates a confusing situation where you look into the oven and see the glow from the igniter, but get no heat because the burner never lights up. If this is the case then you will need to replace the igniter even though it seems to be okay. The only way to know for sure is to know what the current draw requirements are for that gas valve and to have an amp meter to check the current draw.

Most of the time the problem will be in the igniter, and not the gas valve. Gas valves can go bad, but that is the case in only a very small amount of the situations. It is a pretty safe bet that if you have a problem with you gas oven lighting that you have a problem with your igniter.

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1 Answer

burners work fine, pilot light in oven is on, but oven won't ignite


Make sure the thermocoupler is being heated by the pilot light flame. It could also be gunked up but you can clean it with a scouring pad, or it might need to be replaced. The thermocoupler is the most likely cause because if it isn't heated then the gas valve will not open up and no gas will flow to the burner. Since your pilot light is on then you do have gas to the valve.

Aug 28, 2011 | Ovens

3 Answers

I have a bakers pride pizza oven and the bottom oven Including the pilot light) continue to go out for no apperant reason. I have changed the thermocouple 3 times and the pilot light once. Sometimes it works for weeks and sometimes it goes out after 30 minutes model 151


Several things to check. First be sure the pilot light flame is directly striking the thermocouple. It is a pencil sized rod that is next to the pilot light. Sometimes people reduce the size of the pilot flame to save gas. You may need to increase the pilot flame. Follow the small gas line from the pilot flame back to the gas valve. There is a screw where the small pilot gas line goes into the valve. Remove the screw and then deep in the hole is a tiny screw that can only be reached by a tiny flat blade screw driver. Turn the screw counter clockwise to increase the pilot flame. The thermocouple needs to be red hot to work properly. The second item to check is to see if there are any breezes that occasionally blow through the kitchen. Sometimes the hood fan will draw air under the ovens and actually blow the pilot flame out. Same fix, increase the flame. You may also experience low gas pressure to the appliance during heavy usage. You would need a manometer gauge to check for proper gas pressure. In short, if the oven goes out during your busiest time when everything gas powered is on, the oven may be starved for gas.

Sep 09, 2010 | Bakers Pride FC-616 Gas Single Oven

1 Answer

can't get pilot light to stay lite in oven


make sure the thermocouple is positioned above pilot light this part needs to be heated up by the pilot light to keep gas going to the pilot light. if the thermocouple is positioned above pilot light and it doesn't stay light, replace thermocouple.

Apr 04, 2010 | Stoves Premier 600GRa Gas Single Oven

1 Answer

I'm a landlord and my tenant's oven will not heat up to the proper temperature intermittently. I had a guy come out and test the oven and it works fine, yet my tenant is still complaining the oven is not holding the right temp. For example, if he sets it for 350, sometimes it works fine; other time the temerature can vary +/- 100 degrees. Should I change the thermostat?


Absolutely. That is the first thing I would think that would cause such a fluctuation of temperatures. BUT if it is a gas oven (WITH A PILOT FLAME) then FIRST consider the thermocouple needing to be changed. If the thermocouple keeps faulting it will shut off gas sporadically and keep the gas off until it resets temporarily on its own.

Mar 13, 2010 | Ovens

1 Answer

Range won't heat up


it is a glow coil , thermocouples are on units with a free standing pilot that you have to light, if you have a range like this you may need a thermocouple if not a free standing pilot you have a electronic gas iginition system that uses a glow coil, you turn on over setting and oven glows orange then iginites if this is what you have you need new glow coil, easy to repalce

Feb 03, 2010 | Magic Chef 9122 Gas Single Oven

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