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Oven turns on and off intermittently

OK, I know a bunch of other people have asked this problem but mine has a weird twist. And please excuse my ignorance here in my description, computers, I know, ovens, I don't.
I have a Frigidaire FGB24T3ABA that has worked fine for a few years but lately it's giving me problems. Being a DIY'er who has repaired everything from my car to my TV to my home wiring myself I thought I'd ask for some help. Naturally, I don't want to blow my house up so if you experts tell me it's out of my league, I will be happy to step aside. Here's what goes on:

  • When I turn it on, I can look in the broiler door and see that the thing that heats up (I'm guessing the igniter) starts to glow orange but it still takes up to 15 minutes to turn on.
  • Once on, it runs for a while (5-15 min) then turns off.
  • The glowing orange thing in there starts to cool down and go back to it's normal metal color.
  • After a while, it will start to heat up and glow again, then it will eventually turn on.
As you can imagine, this situation is no good for making chicken. I need help. So here's where I am solution-wise. I could be dead-wrong or heading in the right direction. I would appreciate any help:
  • I don't think it's the thermostat since even though it cuts off after running, it's not starting up properly to begin with.
  • I thought it might be a problem with air flow within the oven cavity. I found this suggestion here on your site and I noticed in the pictures I found online of my oven that there are little air vents right under the broiler door. Mine does not have these vents. It's goes from broiler to wood. Again, I don't think this is the problem since it worked well for so long and I've tried to leave the broiler door open to see if this remedied the problem by allowing oxygen in. No dice.
  • So here's where it gets weird. I thought it might be the gas flow so I went behind the oven (valves and such are in the laundry room), cut the gas, turned it back on and poof! I heard it ignite. I ran back in the kitchen and it was on. So I figured the valve was probably not turned all the way to open. But, naturally, it didn't last. The oven went off again. I ran back to the laundry room to try the trick that had just worked but it didn't do anything. So I fiddled around in the oven for a couple of minutes looking for anything out-of-the-ordinary. Since I wouldn't have recognized it if I saw it, I went to the back again, flipped the valve closed, then open. Poof! It's on again.
I'm very confused. Could it be a clogged gas line? If it is, why doesn't flicking the valve work every time? Could it be the igniter? There's a post here that seems similar and talks about the igniter being lit but seemingly a low flow of gas. I would appreciate any help. Thanks. Our Gas Chef freestanding cooker oven keeps turning off & on after 5 or ten mins.

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I think your problem either lies in the thermostat or the gas valve. If you have one (Meter) take a reading at the coil side of the gas valve while starting and see if the signal drops out. If it does your thermostat is faulty. If it does'nt the coil on your gas valve is weak and dropping out as it heats up I have seen this quite frequently. You will have to read the schematic on your panel to see if it is registered in voltage dc or M/V.

Posted on Jun 12, 2008

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