Question about Tappan TGF320 Gas Kitchen Range
Oven ignitor comes on but the flame wont light
This can be caused by a weak/inop hot surface igniter or a defective gas control valve.
One thing that you can try(be very careful doing this) is to give the gas control valve a light tap with something hard like a wrench when the oven is turned on and the igniter is glowing but the burner is not on. You will need to remove the broiler/storage drawer at the bottom of the oven. Once you pull the drawer out you should see the gas control valve at the back of the range. Try turning on the oven and lightly tapping the valve housing after the igniter is fully on. This may loosen up any debris inside the control valve housing that might be causing the problem. If the oven burner comes on then try completely turning the oven on and back of several times. And when I say completely I mean turn it on after the igniter is not glowing and burner has shut off. This works about 30% of the time. If the burner control valve sticks again after trying this procedure(burner does not come on) then it could be the control valve and/or the hot surface igniter defective. The hot surface igniter would need to be disconnected from it's harness and tested with an OHM meter. Most igniters should have a 500 to 700 OHM reading. If you get a reading that is way off then the igniter is defective and replace it. If the igniter tests good then the gas control valve is suspect and replace it. Most appliance parts retailers will test your igniter for free. When the igniter is on it should glow very brightly. If it is dim then that is a sure sign it is bad. You can also verify that the oven run-away valve is not closed. This valve will be located at the back bottom of the range at the gas regulator. There will be a tab on the regulator housing where the gas pipe goes to the oven. This tab will lift up to close gas flow to the oven. Sometimes these valves can stick causing the oven to stop working. You can try moving this tab back and forth to see if it loosens any debris in the valve. Move the valve while the oven is on and you will be able to hear the burner come on after moving the valve if that was the problem.
Remember be very careful doing any of these procedures. Good luck and have a safe holiday.
Posted on Jul 04, 2010
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Posted on Jan 02, 2017
When you turned the oven off, if the ignitor went off and the gas kept flowing then the thermal valve is defective. Maybe that was the problem all along.
Posted on Mar 20, 2009
This is your gas valve that is bad on this unit. Please contact us at:
with your complete model number and we will get the correct part out to you asap.
We are available from 7 AM until 9 PM CST Monday through Saturday.
Posted on Nov 10, 2009
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