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Old 10-12-2014, 02:57 PM   #1
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atwood furnace issue

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?
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Old 10-12-2014, 03:13 PM   #2
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Maybe normal.
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Old 10-12-2014, 03:39 PM   #3
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It almost seems normal because it is running good but the short cycles are really really short and just seems weird
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Old 10-12-2014, 04:14 PM   #4
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I guess it's smarter than us. As long as its doing the job.
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Old 10-12-2014, 07:58 PM   #5
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I used mine last weekend for a bit and didn't notice it cycling like that but wasn't paying too much attention
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Old 10-12-2014, 08:52 PM   #6
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You may have one of the floor vents blowing directly onto the thermostat. That would cause it to short cycle. On one of our previous trailers the opposite happened. The thermostat always saw warm air and the air conditioning would never shutoff. Had to tape over the hole in the wall where the wires came out. Fixed it before the fall season so I assume it would have had cold air and the furnace would not have shut off. Good luck in solving the problem.
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Old 10-12-2014, 11:02 PM   #7
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Well Im not sure about the 30 seconds of run time AND the keeping it warm story. What I mean is--after these furnaces blowers start, it takes at least 30 seconds for the "heat" to actually start. If it is really a 30 second run time, it would never blow "hot" air.

Now if it is just short cycling. There may be an adjustment for that in the thermostat. I dont know what your tstat looks like. Can you remove the cover? If so, do so, then look for a slider and move it some! Also check, make sure the fan setting is on "auto". -- It could be a sensor or thermocoupler (internal). -- Then again, if its keeping you warm, maybe all is OK anyway.
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Old 10-12-2014, 11:04 PM   #8
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Turn up the thermostat and see if it still cycles. If it stills does then something is wrong.
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Old 10-13-2014, 07:31 AM   #9
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Quote:
Originally Posted by The Hawk View Post
Turn up the thermostat and see if it still cycles. If it stills does then something is wrong.

X2
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Old 10-13-2014, 10:40 AM   #10
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Quote:
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Turn up the thermostat and see if it still cycles. If it stills does then something is wrong.
Agree.

Also is the fan still running when it short cycles? Anyone heating with gas in their homes know that the furnace shuts off and the fan still runs until the heat in the furnace reaches a certain temp. Your furnace may in fact be running very efficient as it is only running when it is required to keep the temperature at the level required to heat the furnace at the desired temp and turns off.

If the furnace is running longer, is it at times when it is coldest outside, during over night? If so, it maybe doing its job very well.
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