rv furnace fan not working
Next double-check the vents for any signs of dust or soot buildup. This includes the RV exhaust vent.
Ac Condenser Fan Motor Wiring Diagram 4 Wire Beautiful For New 7 Fan Motor Electric Cooling Fan Electric Fan
Topic starter December 2 2021 256 pm.
. In addition the furnace will not ignite properly when the sail switch goes wrong not providing ignition to run the fan for heat. Use the voltmeter to ensure that sufficient power is reaching the components that make up the RV furnace. Any help would be great.
This article applies only to situations where the furnace. There could be other reasons but these are the three most common reasons. I replaced the sail switch still the same thing.
Usually I first check the pilot light. The circuit breaker is triggered or turned off for servicing. After this is done you will have to locate the bolts and remove them placing them in a bag so that youll find them easily when needed.
You can remove the cover from the thermostat select heat and with a voltmeter check and see if 12V is placed on the lead to the furnace after you hear the click. Step 1 First of all you will need to remove the outer part of your AC also known as shroud in order to reveal its inner parts. I have an 1987 ford travelaire rv fan works on furnace but will not lite just blows cold air.
If you are seeing soot buildup then chances are the furnace is developing improper or inefficient combustion. The majority of RVs are fitted with propane heaters so another possible cause for your furnace not immediately heating up is the cold weather. But these are just two of the reasons why your furnace isnt working.
You dont need anything fancy. If that doesnt work its more likely the control board is defective and calling for heat without a thermostat. The thermostat runs on 12V.
Identifying A Sail Switch Problem. If the fan belts are too tight then your belt may be groaning against another part of the heater or if they are too loose then they can slap against another surface due to rapid movement. Newer RV furnaces will usually have a small LED attached to the ICB.
Its function will also decrease due to dust and dirt in air vents. Save my name email and website in this browser for the next time I comment. A cheap one will usually get the job done.
Not enough power from the thermostat to the furnace. In low temperatures propane will contract which can reduce the pressure and cause it to take longer for your furnace to heat up. My furnace fan will come on and blow cold air for 15 to 20 seconds and then shut off the ignitor does not click.
Any number of reasons can be behind a broken igniter. If no 12V is present try placing a jumper from 12V to that particular wire to the furnace and see if that starts the furnace. Thats very helpful in fixing and installing appliances on RV.
RV Furnace Blower Wont Start This can be caused by a number of reasons. Lots of propane stove works great. Meet our authors Chris Coleman Peter Wade.
You should also check the breaker box to see if the furnace breaker or fuse has blown. Failed Time Delay Relay No power from the RVs battery to the furnace relay switch. 4983 views 9 August 27 2021 Updated on April 30 2022.
It could also mean that theres something impeding the fan blades which can happen if your RV has been sitting for a while. The Fan Isnt Working If you feel some heat but theres just not enough airflow to warm up your cabin then it might mean the fan motor is on its way out. The number of flashes will point to the type of issue.
You might just need to clean it out. Can be caused by a bad wire or by power not reaching the thermostat. The first reason might be due to your furnace fan belts being too tight or too loose.
Moreover the failure of the thermostat will also reduce their working efficiency. RV Furnace Igniter Not Working The igniter is the part of the furnace that lights it up and once its broken therell be no heat. If there is a problem the LED will flash.
4 The Most Common Reasons Why an RV Furnace Is Not Working and How to Troubleshoot Them 41 You Turn Up Your RVs Thermostat and Nothing Happens 411 Inadequate Power Supply 412 Relay for the Blower Motor is Bad 42 My RV Furnace Fan Runs But Theres No Heat 421 Fuel Propane Source 422 Sail Switch Failure 43 Bad Gas Valve. In case it isnt working the problem is most likely with the thermocouple which I check immediately after. Common problems with keystone RV furnace includes damaged wiring due to overheating and poor insulation layer.
The reasons why your RV furnace wont stay on is because your battery bank is running low or you have low propane pressure or just a bad control board. Leave a Comment Cancel reply. The system should work like this.
If the furnace wont quit I would shut off the propane and force a firebox cool down to off the fan.
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