WebJan 2, 2015 · West Palm Beach, FL. If the fan won't come on, here are the major causes: (1) The thermostat "heat needed" signal isn't reaching the furnace. (2) The furnace 12v power source is out, e.g. fuse is blown. (3) Control board is bad (not real likely, but possible). (4) The fan motor itself is bad. For more help, see my Furnace Troubleshooting ... WebJan 2, 2015 · West Palm Beach, FL. If the fan won't come on, here are the major causes: (1) The thermostat "heat needed" signal isn't reaching the furnace. (2) The furnace 12v power …
Furnace Troubleshooting for Camping Trailers Roberts Sales
WebOct 29, 2024 · If the pilot won’t light, check to be sure you have propane. One other RV heater troubleshooting tip is: check the thermocouple. Be sure it is clear of any spider webs or insect nests. The thermocouple needs to be in the correct position in the burner to work correctly. If the thermocouple is bad, remove it and buy one exactly the same as the ... WebSep 27, 2015 · Posts: 4. Suburban SF-42 furnace won't come on. I have a Big Horn 5th wheel with a Suburban SF-42 furnace that stopped working this morning. The first thing I checked was the thermostat to make sure it was functioning which it was. I have good voltage to the unit at about 13 volts, I checked the fan motor by jumper wire to verify it runs, the ... pre owned cars lebanon
My RV furnace won
WebStart with the fan: laying the RV furnace troubleshooting groundwork. Dave begins with the basics of RV furnace troubleshooting. He emphasizes that it’s important to note that the furnace on your RV works by drawing air from the inside and heating in, rather than pulling in outside air to heat. A mounted thermocouple on the backside of the ... WebDec 16, 2011 · The control board opens this valve as it begins the spark sequence -- lighting the burner in normal operation. Assuming you have good DC voltage, the next time it sparks but no flame, warm the fuel line solenoid with a heat gun or hair dryer until it is fairly warm to the touch. Then start the furnace. WebMar 30, 2024 · Problem #3: Furnace Only Blows Cold Air. If you can feel the furnace fan turn on, but the air that comes out is cold there are several solutions to get the hot air of the furnace working again. Some problems that you could identify are having a lack of airflow to the furnace or, again, a bad propane tank valve. scott clear safety glasses