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Old 11-16-2014, 09:09 AM   #15
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Thank you everyone it did turn out it was low batteries

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Old 11-16-2014, 09:12 AM   #16
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I'm glad your roasty toasty now!

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Old 11-16-2014, 03:01 PM   #17
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Furnace problems

Hello, I have a 2010 Cardinal that Im having a problem with the furnace. Here in Missouri is very cold and deer Season and I am trying to the furnace for the first time. When you set the thermostat to furnace the furnace will come on as normal however when it cycles after to a three cycles the furnace fails to come on. If I turn the thermostat off and turn it back on it may repeat two to five cycles and again fail. The only way I have found is to set the desired temperature above 80 and the furnace will continue to produce heat however this gets uncomfortable of course. Any help would be appreciated. The thermostat is a four button Duo-therm. I purchased this unit used from the Phoenix Arizona area and from what I can tell the coach was never used.
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Old 11-16-2014, 04:03 PM   #18
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Improper air/fuel mix and/or clogged flame path (Insects sometimes nest) and/or clogged orifice (Gas jet) again insects like to nest.

The POP was likely a backfire.. The unit is simply not ignighting properly.

Beyond a maintenence run as the first step.>> No recommendations.

If that does not fix it I can post the furnace sequence for DSI furnaces, but.. For now. Start with a standard maintenance run.
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Old 11-17-2014, 03:59 PM   #19
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I had a similar problem over the weekend hows your battery power Low battery power will not let the fan or blower turn as fast as it needs to.I had 1/3 Power left and it still was not enough
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Old 11-18-2014, 05:38 AM   #20
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Originally Posted by Cola ny View Post
After running the generator for about a 1/2 hr to get heat I shut the generator off waited 10 minutes and then put the furnace on I seem to be getting heat now I notice when I lost heat my battery supply were down to 1/3 can that be the reason for the furnace not given heat because of low battery I'm new to this bear with me
Absolutly.... However it does not explain the pop pop.

Here is part of the operational sequence.

When the furnace starts it first starts the blower, once the blower comes up to speed a sail switch closes, this switch signals the control board to "Light my fire" and make heat.

IF the batteries are low, the blower will NOT come up to speed.
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Old 11-18-2014, 06:05 AM   #21
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Sounds like blow-back. Could be a partial blockage of the burner or air mixture tube. It is possible that the obstruction was cleared when you heard the pop-pop backfire, but I would still run a baby bottle type brush thru the tubes.
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Old 11-19-2014, 02:15 PM   #22
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Originally Posted by fun time View Post
Just came back from an RV show and notice that several brands including Winny now have two, yes two big TV's in the salon and another in the bedroom. I can see one in salon and one in the bedroom but why would anyone need two big TV's in the salon? Am I missing something here? How many TV's can you watch at once in one room?
Couple of possibilities here. Triple popping usually occurs when your propane tank is almost empty. Check your stove and water heater. If they don't lit, then your out of propane. Most modern rv furnaces don't use a pilot light anymore. It's pretty much all electronic ignition now. Also in my experience if you exhaust your house battery the inverter will shut down causing you to lose all power. If the circuit board is toast usually your blower motor won't work either. So first check and see if your out of propane. 2. Check the gas control valve, thermal couple and ignition. Probably not a problem. But I'm guessing your out of propane.
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Old 12-03-2014, 04:54 PM   #23
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There is a high power igniter in the furnace. If your batteries are low it can't light the propane. You'll have the same problem with your fridge when you're running on propane.
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Old 12-04-2014, 12:18 AM   #24
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