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Old 10-12-2012, 02:39 PM   #1
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Can't get oven to stay lit...

I'm not sure the oven has even been used, ever... I tried to light it and use it over the summer, it would light but would go out after a minute or so. The pilot light was bent down at a 45 degree angle, thinking that might be the problem I bent it up to it's current position. No change will light with a little help from match when it's cold, at disk but it won't stay lit? (1985 Limited) I believe the oven is original. No pie for me, bummer!

Help, thoughts, suggestions? Plenty of gas...not an issue...
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Old 10-12-2012, 03:57 PM   #2
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Could be that the thermocouple is bad. Like any gas appliance with a pilot light, you hold a button in to get gas flow, and light the pilot. You have to hold the button in until the thermocouple, which is in the pilot flame, heats up. It creates a small current which will then allow the gas valve to open to feed the pilot light.
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Old 10-12-2012, 04:04 PM   #3
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I'm not sure the oven has even been used, ever... I tried to light it and use it over the summer, it would light but would go out after a minute or so. The pilot light was bent down at a 45 degree angle, thinking that might be the problem I bent it up to it's current position. No change will light with a little help from match when it's cold, at disk but it won't stay lit? (1985 Limited) I believe the oven is original. No pie for me, bummer!

Help, thoughts, suggestions? Plenty of gas...not an issue...
Hi,
The pilot light needs to be in the correct postion to energize the thermocouple .Call the manuf. or get a copy of manual to dble check positioning. Also the thermostat or oven temp control could be a factor .But sounds like a defective thermocouple.Make sure the flame is impinging on coupler.
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Old 10-12-2012, 04:46 PM   #4
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There are two pilot flames on the oven. One small one which burns constantly when the oven is in the "off" position (it only turns actually off when in the "pilot off" mode on the oven control. Once you have the little pilot going, and turn the oven temp up, a second, larger pilot light ignites. That in turn heats the thermocouple and when the thermocouple is hot enough, allows gas to flow to the main burner. It sounds complicated, and is a bit, but done for safety reasons.

So, does your little pilot light stay lighted? Then when you turn the temp up, does a larger flame pilot light appear? Does that one engulf the thermocouple? It should, and in a few seconds the main burner should light. Watch for that sequence, and see if you can figure out which part is not working right. Then you can solve the problem.
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Old 10-12-2012, 06:34 PM   #5
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UPDATE: Small pilot flame lights, big pilot flame lights and oven starts... However when I close the door (slowly or quickly) the flame eventually goes out like it's starved for oxygen. It , on average takes about a minute and flame goes out. The small pilot light does stay lit. When I leave the oven door open the oven stays lit... Now what?
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Old 10-12-2012, 06:55 PM   #6
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On my oven there are 3 vents all the way in the back at the bottom (I believe to let air in). Maybe 1 or more of them are blocked on yours.
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Old 10-17-2012, 01:21 PM   #7
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On my oven there are 3 vents all the way in the back at the bottom (I believe to let air in). Maybe 1 or more of them are blocked on yours.
Are they at the top or bottom?
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Old 10-17-2012, 05:02 PM   #8
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At the bottom.
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Old 10-19-2012, 06:47 PM   #9
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Not blocked...stumped. Could it be that it either has never been used or it's been a really long time & it just needs to run wide open for a while to break back in?

Hmmmm....
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Old 10-19-2012, 06:55 PM   #10
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Hmmm, is right. I guess I would try a new thermocouple. I can't think of anything else, but if it stays on when the door is open.... hmmmm. Try running it that way for an hour and it might clear up. Otherwise, I am stumped.
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Old 10-19-2012, 08:21 PM   #11
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I think Idroba is right; other than the thermocouple, what's left? Change it, it's a consumable part of LP gas devices.

But one thing puzzles me about these ovens: where is the exhaust? The furnace on my Sov has a fresh air intake, and an exhaust beside it. Ditto the WH. While there is a FA intake with the three slots across the lower rear, where does it exhaust?

As for the three slots, I would still give them a blast with compressed air. My WH seems to need that treatment every spring, since spiders seem to love LP gas.
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Old 10-20-2012, 12:12 AM   #12
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The oven "exhaust" on every trailer range I have had is in the rear upper part of the oven, and the heat and gasses come out at the rear edge of the cooktop. I think if you look there you will see the slots or vent areas.
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Old 10-20-2012, 07:17 PM   #13
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Thanks, Idroba.

My oven passes through the wall to the right of the sink, and sits in a metal box that is closed on all sides. I will have a closer look when next I use it, but I can tell you that it's not encouraging to hear that the products of the LP gas combustion are simply shipped into the cabin's atmosphere.

I suppose that since I have never seen a proper exhaust for the oven, part of me had to know that such is the case.
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Old 10-20-2012, 07:43 PM   #14
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Ah, you have one of the wall ovens that AS used back then, missed that. I wonder if the metal box is vented out through the front of the unit, or the sides? I never had one so never really paid attention to them.

Yes, products of combustion from stoves and ovens are not vented to the outside of the trailer. That is one reason you should never use them for heating. They will put too much moisture into the interior, and potentially reduce the oxygen in the interior. When that happens (too low an oxygen level) instead of the propane burning and giving off C02 (carbon dioxide), you can get CO (carbon monoxide) which is the dangerous stuff. So used for normal cooking, not a problem. Left on to use as heating (some have done that to reduce furnace use) you can create a danger, especially overnight. Never, ever do that.
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