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Old 10-13-2014, 04:44 PM   #11
Lost in the Woods
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It is always throwing heat when the burner shuts off.

It will start and run for 2 minutes approx. then the burner shuts off then back on in maybe 10 seconds then sometimes the burner will shut off after it just came on within a few seconds.

Then after the burner has shut down and started back up for maybe 5-10 minutes it shuts down(fan and blower) assuming once the thermostat reaches temp.

At first I figured it was just the furnace reaching a certain temp and then shuts the burner off for a bit but the short short cycles(10 seconds) don't seem right.

I think I will just give Atwood a call and see what they think.

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Old 10-13-2014, 06:56 PM   #12
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It sounds like a limit switch is tripping.


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Old 10-20-2014, 09:26 AM   #13
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Furnace-ignition lock out-where can I get a new control panel online that I can install myself?
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Old 10-20-2014, 09:41 AM   #14
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Insufficient gas flow to stay lit? Maybe the burner is not sufficiently warm to stay lit, like on a home water heater, in order to light it off you have to keep your pilot button pushed in for a minute or two to warm up the burner so it will stay lit.

I notice on ours that after a period of non use the fridge will not stay lit on gas until it is warmed up a bit. Now I start out on electric and then run on gas when we take off and it is fine.


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Old 10-20-2014, 09:58 AM   #15
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I must have missed this one. We didn't come back from our last trip until the 13th. Did you ever gen an answer from Atwood? I'm curious to know what they had to say.

NB, I don't think it's abnormal. Furnace behavior is different for a hybrid than a fully enclosed trailer because of the rapid heat loss through the bunk ends. So it's going to kick in more often in a hybrid. However, I can also tell you that our current Atwood Hydroflame behaves differently than our old pre-Atwood acquisition Hydroflame did.

Our old Kiwi, with the pre-acquisition Hydro-flame, that also did not have ducted heat, would run for long periods and when the temps were really low, like upper 20s, pretty much only shut off for a few minutes and turned back on. But in general it ran for fairly long periods and didn't turn on again unless it really needed to. Our old '93 PUP behaved the same way.

Our current X20E's Atwood furnace will run for a long period and get the trailer warm, then it will run in short bursts similar to what you are describing. Oddly enough it can also go for very long periods without kicking in. So far with this trailer, the coldest we've camped in is upper 30s. But the first season we had this trailer, the furnace didn't behave the same our old ones did.
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Old 10-22-2014, 11:46 PM   #16
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Is there a flame sensor on these furnaces? This sounded like a similar problem I had with my home furnace few years ago. It would ignite for about 10-20 seconds then shut down. The sensor was dirty - had charring on it - and did not detect the flame and the shut down the furnace. HVAC guy told me us gently use sandpaper on it to remove the soot. After that it worked like normal.
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Old 11-10-2014, 10:04 PM   #17
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Originally Posted by nbhybrid View Post
Currently camping and had a question about the furnace operation

Have never fall camped so not use to the furnace running so often. The furnace will lite but maybe in 30 seconds it shuts off then it starts back up and runs again for a bit then shuts off. Sometimes it runs for a few minutes then does it. It is heating the trailer well and after it reaches thermostat temperature it shuts off and then of course the fan shuts down after

It was used some in the summer but never noticed it before

Is it simply reaching operating temp and shutting the burner off periodicly?
NOT NORMAL - Your furnace is overheating and the internal safety is shutting it down to keep it from melting inside and killing you with Carbon Monoxide!

This seams to be a theme with some of Jaycos designs of late!

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Old 11-18-2014, 03:01 PM   #18
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Originally Posted by firestorm128d View Post
NOT NORMAL - Your furnace is overheating and the internal safety is shutting it down to keep it from melting inside and killing you with Carbon Monoxide!

This seams to be a theme with some of Jaycos designs of late!

I could be wrong (and often am) but I don't think the attached thread is the same issue as with the OP. The attached thread talks about a furnace that never heats up enough to be shut down by the thermostat. I think OPs furnace is operating normally. The flame cycles on and off (normal for a Propane furnace IMO) until the desired temp on the thermostat is reached. This is how mine works and how my SOB previous 5er furnace worked.
However, if the OP is really concerned for his health, he may want to rely on a dealer's opinion rather than anyone on this forum...especially mine

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Old 11-18-2014, 04:22 PM   #19
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Sounds like the high temperature limit is being reached. If so, could be because of too little hot air circulation. Any vents blocked or shut in?

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