Question about Frigidaire FGB24T3A Gas Single Oven

2 Answers

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.

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Re: Oven turns on and off intermittently

Awesome. You guys rock. I figured the fact that it was working when I fiddled with the gas valve was just a coincidence (since sometimes it did not work). If I order a new ignitor, is it the type of thing I can fix myself?

Posted on Oct 24, 2007

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Re: Oven turns on and off intermittently

You most likely just have a weak ignitor. What you describe are classic symptoms, except I have never tried turning gas off.
If you have an amp clamp, check the amp draw of the ignitor. Clamp it on with the oven off. Turn the oven on and watch the amp draw. It will start climbing as it heats up and open the valve at about 3.2 amps. If you get 3.2 amps and it still doesn't light, you probably have a valve problem. I expect you will see it get up to 2.8- 3.0 then linger there for a while. This causes slow and erratic operation of the gas valve.
Even if you find this not to be the problem, this is the very first step to diagnosing a gas oven. You have to know the amp draw of the ignitor before you can go any further.
Post back to let me know what you find.

Posted on Oct 23, 2007

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