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Old 12-17-2010, 09:24 AM   #1
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08 Eagle furnace fails to attempt ignition sometimes

My problem is a bit different than the threads I have found here. We have an 08 Eagle 341RLQS. The furnace often fails to ignite. It runs for a couple minutes, blowing cold air, then shuts off. A few minutes later, the same thing. You can hear no attempt at ignition.

We've been using a space heater, which gets us through most of the night. But early morning, we start blowing cold air again and lose sleep.

A "fix" is, when the heater is not running, to move the thermostat up a long ways, it will always start and ignite and stay on, then. After a while, we move the setting down to shut it off. It's a bit like getting up to throw a log on the fire. 8-)

We've had an insect cover on the outlet, since we bought it new. I'm not sure, but I suspect this problem has been present since new. It has taken a while to understand the pattern. We had it checked out under warranty last year and mid-day a technician did not find it to fail to ignite, so we left with no resolution.

Any suggestions?
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Old 12-17-2010, 09:40 AM   #2
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My first thought would be to replace the thermostat. I think it is on this group that someone did a very good piece on doing just that with a digital... I think that is my next project.
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Old 12-17-2010, 09:46 AM   #3
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My first thought would be the thermostat as well.
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Old 12-17-2010, 11:04 AM   #4
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Nice to see you back again TexasChuck! Can you contact Jayco direct and let them know that the same problem that you brought it in for initially is still present? Maybe they could still have it checked out on their dime even though the warranty expired... Good luck
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Old 12-17-2010, 11:13 AM   #5
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Looks like warranty expired b4 we had it looked at last year. We just talked to a local repairman who will come out this afternoon. He thinks the thin-wall circuit board can be the culprit, and should be replaced with a "Dinosaur". Saves us a trip to the dealer,etc if he can do the job here. He sounds very experienced. He said the Coleman Mach mechanical thermostat is quite reliable, it either calls for heat or it doesn't. If the furnace doesn't attempt to ignite when it should (after the blower starts) the thermostat really should not be to blame. ??????
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Old 12-17-2010, 11:30 AM   #6
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Kewl, let us know what the repairman says!
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Old 12-17-2010, 02:53 PM   #7
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I've never liked the dinosaur boards. We haven't had luck with them. We always go back to OEM parts when it comes to furnaces and such.
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Old 12-17-2010, 03:45 PM   #8
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Quote:
Originally Posted by cciparts View Post
I've never liked the dinosaur boards. We haven't had luck with them. We always go back to OEM parts when it comes to furnaces and such.
Edumacation time! What is a "Dinosaur Board"?
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Old 12-17-2010, 03:53 PM   #9
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I'ts pretty simple to test the thermostat. Just remove it from the wall and touch the red and white wires together. If the furnace fires then it's the thermostat. If not it's probably the board. I am assuming that the color code on campers is the same as it is in a home. Red-Power, White-Heat, Yellow-A/C, Green-Fan. Good Luck
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Old 12-17-2010, 05:21 PM   #10
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well, no resolution. the man comes highly recommended, but left stumped. we were able to recreate the problem. Once, when it failed, it briefly burned. Other times, nothing. Maybe 1/2 the time it burns & heats okay. I think tonight I'll just turn it off, use a spaceheater and turn the furnace on in the morning. It will be cold but we snuggle well.
Don't know what to do..... A complication is that there is no outside door. To work on the unit it would have to be removed through the vent-cover hole, or possibly through the basement. I need to find that out.
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