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Old 11-23-2015, 08:39 AM   #1
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No heat

No heat! 2016 Sunseeker, still learning....set thermostat to AU, then furnace. Blows cold air, don't think I hear clicking igniter. On shore power. Worked fine a few weeks ago. Propane 3/4 tank. What are we missing?
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Old 11-23-2015, 08:51 AM   #2
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Are you able to light your stove?


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Old 11-23-2015, 08:56 AM   #3
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No heat

Try closing the valve(s) on the tanks, turn off all gas items, then slowly opening the tank(s) one at a time.

If still nothing then tap the regulator with the handle of a screw driver.


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Old 11-23-2015, 05:57 PM   #4
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Yes , the stove lights fine. Furnace blows Luke warm air.
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Old 11-23-2015, 06:10 PM   #5
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Go outside and see if any heat is coming from furnace exhaust ( Be careful it is HOT). If so it is working. I does take a while for for heat to come out. So try again only this time let it run for a while.
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Old 11-23-2015, 06:12 PM   #6
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Quote:
Originally Posted by critt61626 View Post
Yes , the stove lights fine. Furnace blows Luke warm air.
How much time are you giving it ? the furnace goes through a purge cycle and it will blow cold for awhile before it tries the ignition cycle , then once lit it takes some time to heat up .
or bad sail switch or bad pc board or flame sensor or ???
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Old 11-23-2015, 06:13 PM   #7
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When it's on blowing Luke warm air, go outside and starting from a distance carefully feel the exhaust air coming out of the furnace. Is it really hot? If so you may have a duct issue. If it's not hot at all then you know there's either no ignition, combustion air flow (sail switch), or fuel (propane) flow. When first turned on you should hear the fan run first. A few seconds later a series of clicks (ignition). The clicking will stop once the fuel is burning. The furnace will give 3 attempts. After 3 tries and it doesn't light it should shut down.
Post results.
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Old 11-23-2015, 06:22 PM   #8
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The furnace runs for a while then shuts down. I am not hearing any clicking.
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Old 11-23-2015, 06:28 PM   #9
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It is blowing hot air on the outside. I did hear faint a click a couple of times but it shuts off after a few minutes.
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Old 11-24-2015, 04:59 AM   #10
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It is blowing hot air on the outside. I did hear faint a click a couple of times but it shuts off after a few minutes.
If it's blowing hot initially then shuts down you may have a fuel flow issue. Are you sure the tank is full? You could have a regulator going bad.
Try this. Light your stove top burner. You should have a nice blue flame. Now, while the stove top burner is on turn on the furnace and watch the flame on the burner. If it goes real low and/or burns yellow then I'd suspect there is a fuel pressure or flow issue. It may be a simple regulator replacement.
Do you have a switchover regulator and a dual tank setup? Again, make sure the tanks are full.
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