bouncybounder

I didn't see any flat ribbon cable connectors....I am not sure. The squeaking sounds was due to a loose part that was rubbing on the fan. I can move the part so that it doesn't make noise. It is supposed to block and control the airflow, I think into the left side of the big fan. When I put it together this time it was hard to see to put it in the right place as the area was cramped. I think the whole thing had been taken apart before and put together wrong which was why it was making noise. No no noise now, anyway and it seems to be blowing fine.

I figured it out...there was a silicon computer panel to the left of the main motor. Lots of dirt and condemnation had gotten on the back of the panel. I think this was causing a short circuit somewhere on the board. There is a green/red led light on the panel. Once I took out the panel and cleaned off the back of it the green/red light on the panel went on and the furnace lit fine. That or it may have been the grounding wire or one of the other wires on the panel wasn't connected correctly. Anyways it is working now and I'm happy. Thanks for the replies.

There is an on off switch for the fan. I tested the voltage with the fan running at it was at a constant thirteen volts. I don't hear any clicking or see or smell any propane. I am guessing that the start process is being stopped before the gas is turned on or a spark is created in the furnace. I am going to try to check if power is getting to the silicon board/control panel? in the furnace next.

Thanks for the information. The fan is running better now, and not making any noise with a good flow rate. It still doesn't put out heat. I have a atwood furnace so I can take it apart from the side. What I did was take it apart from the side and see if I could access the inside of the furnace fan. I was able to loosen the panel that covers the sail switch. I couldn't get the cover panel all the way off because some wires were in my way. I then reached in to see if the sail switch was stuck or something. I didn't feel anything wrong with the switch. I couldn't tell for sure if the switch was working or not though. I am thinking it might be something wrong with the igniter or something in that area? Also this might not be reliant but when I lite the burners in the rv they pulse rapidly. It is about a ten percent pulse every half second. It is most easy to see when the burners are on high. It looks to me like the previous owner may have tried to repair the furnace before as a part of it was bent. Edit: no sound of a spark or propane smell when the is activated. No smell of propane. Small LED light on one the circuit board within the furnace. It does not turn on.

Hello, my Rv has two furnaces. One in the front under the refrigerator and the second one is around where the shower is located. The fan works on both the front and the back furnaces. The front furnace puts out heat but not the rear one. I don't think it is a problem with the thermostat or the control module for it....It could be an issue with the propane not getting to the furnace or maybe the furnace needs to be repaired? Both run on propane which I know works. Any tips or ideas you guys have might be helpful. Does anyone know of valves/switches that need to be checked? Or the best way to access the furnace? Edit: The fan makes a loud screeching sound when it fist starts and then after a minute or so goes quite and the vent continues to blow cold air.