rv furnace fan not working
Assumed the worst and figured maybe the motor had burned out somehow. In case it isnt working the problem is most likely with the thermocouple which I check immediately after.
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It could be the motor blowers a bad breaker out-of-balance blades or something else.
. However you wont have much to go on since there arent any components working on the furnace for you to diagnose. Once you get the cover off of the furnace youll see a small circuit board on the RH side towards the bed. 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.
If there is no fan noise coming from your RV furnace it may be dead because of a lack of power. If you face this rv furnace issue you may solve this problem without getting professional help. The Furnace will not Turn On.
Check with your thermostat. When Ive ran out of propane the furnace would try to run just a few times but then would quit trying to start until the thermostat was shut off and turned back on to HEAT. An RV how to project on troubleshooting issues with the RV furnace.
Take a seat near the exhaust port of your RVs furnace while someone else works the thermostat to trigger the furnace to come on. A thermostat problem is the most common cause of the unit not working. There are many common rv furnace problems associated with the operation of the furnace including.
Replaced the fuse took the screen off and made sure the fan motor was not binding. Most annoying was the vent fan in the bathroom was not working. You might just need to clean it out.
The Discovery was overall good with a couple of small items. RV Furnace Fan Runs But No Heat The Sail Switch is failing to close fully resulting in no power being provided to the rest of the furnace. If the fan motor doesnt start running at all odds are it is a 12v power problem to the furnace or the switch that NickB mentioned.
Common reasons for camper furnaces blowing cold air are low battery voltage or a dirty filter. It could also mean that theres something impeding the fan blades which can happen if your RV has been sitting for a while. Any number of reasons can be behind a broken igniter.
RV Furnace Igniter Not Working. What are the most common problems that make RV AC fan not work. The power lid worked find but the fan would not run.
If the furnace motor doesnt start when you turn up the thermostat the possible problems are the fuse for the furnace the thermostat the module board the small fan relay that is separate on older model furnaces or the motor itself. And if the blower isnt blowing as much air as youd like it can cause problems. A good working fan in a good working air conditioner unit should be capable of making the air inside the RV 16-22 degrees cooler than the outside.
First its important to clear away any debris dirt or spider webs that have been left behind in the furnaces exhaust and intake pipes. Dirty filters will restrict air flow causing the heat exchanger to overheat and shut off too quickly. There are various reasons why your RV AC fan not working like unbalanced blades or a motor problem.
The Fan Isnt Working. There could be plenty of reasons for the RV AC fan to stop working. First thing to test is the fuse and that switchA bad motor is the next possibility.
The high limit switch is not closed or has failed this will cause no power to reach the controller circuit board. To start the RV furnace troubleshooting process youll want to open up the exterior furnace compartment and check for a couple things. If the voltage is too low the fan will operate but the gas valves will not open.
You will need to check the battery check the circuit breaker and check the fuse for the fan. Could be a bad circuit board ie a stuck fan-on relay. However if you look inside you could find that other AC parts that help the fan run is causing your air conditioner fan not to work.
The igniter is the part of the furnace that lights it up and once its broken therell be no heat. Usually I first check the pilot light. I replaced the sail switch still the same thing.
The fan motor is just about the first thing to start up and even the circuit board isnt much involved until the fan is spinning. Topic starter December 2 2021 256 pm. My furnace fan will come on and blow cold air for 15 to 20 seconds and then shut off the ignitor does not click.
If possible try switching over to a backup battery that can produce more than 10 Volts. Without sufficient power isnt being delivered to the thermostat or the furnace it wont be able to ignite and the fan might run slowly or not at all. A basic RV heater troubleshooting method for your sail switch is ensuring that the battery is powering the furnace with 12 volts of.
If your RVs furnace fan runs but the furnace isnt producing heat you may also have a bad gas valve. However if your fan is working but the furnace is not igniting you may have a serious problem with the sail switch and need to replace it. To find out the troubling source you need to perform a proper diagnosis.
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