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Old 09-13-2014, 08:04 AM   #1
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Suburban furnace

I tried to turn on the furnace this morning and the fan did not turn on, no response to the thermostat. 2011 8314 BSS Rockwood Ultra light. The TT was taken to the factory for floor replacement before the 2014 Goshen rally and it appears that the furnace had been removed in order to replace the linoleum. I did not check out the operation of the fiancé until today. Took off panel and the wiring looks intact as much as I can see without taking the furnace completely out. Any suggestions?


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Old 09-13-2014, 08:15 AM   #2
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Check the on/off switch on the furnace just above the wiring connector.....also check the fuse in the distribution center.
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Old 09-13-2014, 08:17 AM   #3
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There should be a fuse- not a circuit breaker- a fuse for the furnace in the electric
panel. Check that with a meter as visual check can sometimes fool you.
After that- it's a search with a meter.
Is there 12v power at the furnace control board.
Is the thermostat still connected?
Does the fan run on manual fan on mode?
Just pulling and replacing the fuse -might- reset the furnace control board.
Try that first.

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Old 09-13-2014, 11:33 AM   #4
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Now I feel stupid. Discovered after removing the furnace that they forgot to plug the furnace back in. Now all is good. Thank you for you prompt responses.


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Old 09-13-2014, 12:37 PM   #5
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Old 10-31-2014, 08:29 PM   #6
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Furnace not heating

I have a 2013 Wildwood travel trailer with a suburban furnace. Open both the propane tanks set the thermostat to furnace air flow was from the top Vance not the bottom but it was still cool. How long does it take to heat up and should the heat come from top or floor vents? Thanks
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Old 10-31-2014, 08:58 PM   #7
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I did not check out the operation of the fiancé until today.
Hey, Buskirk - Was this a "Freudian slip?"
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Old 10-31-2014, 09:20 PM   #8
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Originally Posted by Red Tundra View Post
I have a 2013 Wildwood travel trailer with a suburban furnace. Open both the propane tanks set the thermostat to furnace air flow was from the top Vance not the bottom but it was still cool. How long does it take to heat up and should the heat come from top or floor vents? Thanks
The top vents are for A/C only from the roof unit. Heat is generated at the floor level and distributed through its own floor level vent openings using coil hose. The fan operates with the heater operation to help circulate the warmed air. It does not have to operate if set on "Auto". The furnace should start with the internal circ fan only to purge the furnace for about 10 seconds and then the burner should start up. You can hear both operations easily with the A/C fan operating.
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Old 11-01-2014, 06:04 AM   #9
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Thanks VinceU. I thought so. It originally was coming from floor vents then stopped and started from top. Any idea what to check for. Thanks
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Old 11-01-2014, 08:37 AM   #10
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Originally Posted by rockfordroo View Post
Hey, Buskirk - Was this a "Freudian slip?"

You guessed it.😄


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Old 11-01-2014, 08:51 AM   #11
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Originally Posted by Red Tundra View Post
I have a 2013 Wildwood travel trailer with a suburban furnace. Open both the propane tanks set the thermostat to furnace air flow was from the top Vance not the bottom but it was still cool. How long does it take to heat up and should the heat come from top or floor vents? Thanks
Same scenario happened to me last evening. I turned the thermostat MODE from FURNACE to FAN... then hit + until the fan setting moved to AU (for auto operation). Then I moved the MODE back to FURNACE and all was well.
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Old 11-01-2014, 09:21 AM   #12
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Make sure your stat is set to heat and auto not to on that will blow air out of your top vents only, so you would only be circulating the air in the unit.
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Old 11-01-2014, 12:32 PM   #13
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Even though several of us have Suburban furnaces, it's obvious we don't all have the same thermostats and, therefore, our exact terms don't match. My Dometic thermostat has 3 modes: Fan, Cool, Furnace. While in Fan mode, I have 3 settings: Hi, Lo, Au (for Auto). In Furnace mode with fan set to Au, I get warm air from rectangular floor vents and one round vent in the front face of a step in the stairs to the bathroom/bedroom of my 5th wheel.
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Old 11-01-2014, 01:02 PM   #14
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Originally Posted by Mr. Dan View Post
Even though several of us have Suburban furnaces, it's obvious we don't all have the same thermostats and, therefore, our exact terms don't match. My Dometic thermostat has 3 modes: Fan, Cool, Furnace. While in Fan mode, I have 3 settings: Hi, Lo, Au (for Auto). In Furnace mode with fan set to Au, I get warm air from rectangular floor vents and one round vent in the front face of a step in the stairs to the bathroom/bedroom of my 5th wheel.
Exact same settings as my Coleman has. Which controls one furnace and one A/C. Difference NO outlet in the bathroom, and they use my stair riser for the return air grill.
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Old 11-01-2014, 01:28 PM   #15
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Make sure your stat is set to heat and auto not to on that will blow air out of your top vents only, so you would only be circulating the air in the unit.
I don't have a setting called heat... nor a setting called on.
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Old 11-01-2014, 03:45 PM   #16
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I don't have a setting called heat... nor a setting called on.
Sure you do furnace is called heat, fan is called on only. A stat is a stat. Did you get a manual for the stat? to turn the heat on per your terms. is move the switch to furnace (heat) raise the temp, turn the other to auto that's the (fan) that will cycle with the furnace, if you only want the fan on (you should have off for heat or cool do not turn that on ) to circulate the air turn to on and air out of the a/c vents will blow not the floor vents. But the A/c will not start. What is the model of Stat do you have a name and model would be helpful, I'LL google it.
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Old 11-01-2014, 05:50 PM   #17
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Originally Posted by gljurczyk View Post
Sure you do furnace is called heat, fan is called on only. A stat is a stat. Did you get a manual for the stat? to turn the heat on per your terms. is move the switch to furnace (heat) raise the temp, turn the other to auto that's the (fan) that will cycle with the furnace, if you only want the fan on (you should have off for heat or cool do not turn that on ) to circulate the air turn to on and air out of the a/c vents will blow not the floor vents. But the A/c will not start. What is the model of Stat do you have a name and model would be helpful, I'LL google it.

Huh?
My thermostat/furnace work right (see my post above). I'm trying to help Red Tundra understand that the terms may be different on different thermostats. My fan does not say ON anywhere... it says Hi, Lo, Au. The word HEAT is nowhere on the thermostat. I'm telling Red T. his "words" may be like yours, may be like mine. My stuff works right. Thanks.

Come back, Red Tundra!


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Old 11-01-2014, 06:04 PM   #18
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Huh?
My thermostat/furnace work right (see my post above). I'm trying to help Red Tundra understand that the terms may be different on different thermostats. My fan does not say ON anywhere... it says Hi, Lo, Au. The word HEAT is nowhere on the thermostat. I'm telling Red T. his "words" may be like yours, may be like mine. My stuff works right. Thanks.

Come back, Red Tundra!


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Okay I thought you were asking me being that you didn't mention the OP and your post was under mine. Sorry I guess I didn't pick that up.....
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Old 11-01-2014, 06:21 PM   #19
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Okay I thought you were asking me being that you didn't mention the OP and your post was under mine. Sorry I guess I didn't pick that up.....
It's cool. I quoted the SSP (second string poster - Red Tundra wasn't the OP but asked a similar question in the OP's thread) and told what it took to make my stuff work. You came in next and used different terms. Since I have seen that knock some questioners in the ditch, I spent some typing time trying to say the terms may not be the exact same across stat makers.

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Old 11-01-2014, 08:50 PM   #20
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Thanks VinceU. I thought so. It originally was coming from floor vents then stopped and started from top. Any idea what to check for. Thanks
As mentioned I would start with putting the main fan on Auto or Au and stop that noise when operating. Then start the furnace and listen for the fan whirr for about 10 secs. Then you should hear the fire start up or at least some clicking of it attempting to fire up. Before hand make sure you can light all three burners on the stove with steady full flames. This proves adequate gas flow to the system. There's some excellent troubleshooting stoves in the help section. Use Suburban stove troubleshoot in the search block at the top of every FRR page. Keep us informed for more help.
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