When the RV furnace does not work properly, you will need to figure out what is causing it to malfunction.
Instead of having to replace the component, you will need to start looking at the smaller elements associated with the main switch.
You will have to be diligent when the RV furnace runs and then shuts off.
If the RV furnace runs and then shuts off, it’s best to access the switch, remove the switch assembly using a screwdriver, clean behind the assembly, and then re-attach everything back to how it was. This will fix the problem.
The first thing you need to do is take out the assembly.
This is going to take time and you will need to make sure to take it out slowly. You do not want to damage anything.
Once you do this, you can look for debris behind the assembly and then remove it.
This guide is going to help dive deeper into how to fix an RV furnace that runs and then shuts off.
Table of Contents
How To Fix RV Furnace That Runs Then Shuts Off
1. Access The RV Furnace
You will need to start by finding the main switch for the RV furnace.
The switch is going to be accessible from the outside.
You will need to do this to make sure power is going to the RV furnace. You can also take the time to look at the furnace to see if it is damaged during this process.
It is rare for the problem to be with the furnace itself.
It is going to be the power input that is coming and how it is set up. If you take the time to inspect the RV and its power switch, you will learn more about what is going on with the furnace too.
2. Remove The Switch Assembly
The first step is to go outside and find the switch assembly.
There will be a cover that is going to be set up to protect this part of the RV. you are going to need a screwdriver to get into it.
Each setup is different based on the RV model you have.
It is important to remove the cover to gain access to the switch assembly in the RV. This might take a few minutes depending on how the screws are.
You will want to make sure to remove the screws and then put them somewhere safe. They will be required to put the cover back.
It is recommended to put them in a safe spot that will be easy to remember as you go through the process.
The same goes for the cover once you remove it.
3. Clean The Material Behind The Switch
When you are working on the RV, you are going to need to start removing the switch assembly.
This switch is important but the real problem is behind it.
This means you are going to have to take out the switch.
You will need a screwdriver to remove the screw that attaches the assembly to the switch. This is the best way to make sure you get into it as required.
You will want to be patient as you are doing this to make sure the switch does not get damaged.
Take out the switch and then begin working on what is behind it. This includes assessing whether or not there is debris.
If there is, you are going to want to clean it out as soon as possible.
4. Re-Install The Switch And Cover
You are now going to start looking at setting everything back into place.
When you are cleaning the RV switch, you will need to ensure you are working on setting everything back to how it was.
Some people will take a picture of the assembly beforehand and that is a good idea depending on how your memory is.
Once everything is back to what it was, you can then turn the RV furnace on and off a few times. This will reset it.
You are then going to have things back to how they should be with the RV furnace.
You will have to be just as diligent as you would be with other RV concerns.
Final Thoughts
Look into this when the RV furnace runs and then shuts off.
If the RV furnace runs and then shuts off, the main issue has to do with the switch assembly. To fix the issue, remove the cover to access the switch, remove the switch assembly, clean behind it, and then re-attach everything. Once done, restart the RV furnace and it will work.
You have to be patient but it will work out as you want it to.
This does happen depending on how messy the switch is and whether or not there is debris there. Continue to work through power issues in the RV as you will notice them pop up when this is a problem.
