rv heater not blowing air

If you notice ice or frost buildup you might be low on freon and the unit needs to be recharged. Possibilities are anything that interferes with the combustion air intake or exhaust output the Hi-Limit switch burner is overheating or gas pressure drops too low.

How To Troubleshoot Rv Furnace That Wont Ignite Rving Know How

Check the Airflow of the unit.

. The sail switch then sends power to the high limit temperature control. See of the cleaning dies the trick. This video details a problem that we had with our RV furnace that turned out to be a simple fix and we wanted to share with you our experience.

Unlike the furnace in your home which only blows once the air is fully warmed the RV furnace. Clean off the grate and make sure there is nothing covering it. If it does not then take help from the technician.

Your RV Furnace Blower Starts and Stops and Other Assorted Problems If your furnace works but you cant get it to keep working then this is usually due to a ventilation issue. If this does kick the fan on then find a place close to the original position that will work and replace the cover. Blow out any dust and debris from the assembly using pressurized air.

Read Refrigerators For Campers When correctly working the condenser fan draws air into the unit through the condenser coil and pulls heat from your RV. Ad A Mechanic Will Answer in Minutes. Thats not a motor issue so you must have messed up something when doing the swap.

That thermo switch opens if the furnace gets too hot and shuts down the gas. To deal with a pilot switch problem you must first check the sail switch and thermocouple. It should be burning somewhat clean.

Failed Time Delay Relay No power from the RVs battery to the furnace relay switch. This issue or if the furnace is blowing cold air could be due to the circuit board issue or the limit switch issue. This is a pro.

Its at least 20-30 degrees warmer under the trailer than the outside air temp. Anything under 105 will result in the fan operating but just blowing cold air as the gas valves will not open. This is a very common issue with RV furnaces not fully igniting and as a result just blowing cold air.

Clean all the debris or spiders. The motor has to spool up and close the circuit on a small switch called a sail switch behind the blower wheel cover. RV air conditioner troubleshooting 2.

If your furnace is blowing cold air try turning the heat off and back on. This usually solves the problem. Do you have gas.

If youre the RVs air conditioner system not blowing cold air or overheats easily the coils and fins may need to be cleaned and dusted. Another great RV heater troubleshooting tip. N mist cases its the circuit board.

Questions Answered Every 9 Seconds. Damaged Heat Pumps In some cases an outdoor unit could include a heat pump. The only way it can blow cool air is the burner goes out.

If however you set the temperature right and the AC keeps blowing out hot air then it is possible that the problem itself is in the thermostat. If the compressor is coming on then you need to look into the airflow of the unit. RV Furnace Blower Wont Start This can be caused by a number of reasons.

If not you likely will need to replace the thermostat altogether. The circuit breaker is triggered or turned off for servicing. RV Furnace NOT Blowing Hot Air - No Ignition Cuts Off.

The soot is telling you theres improper combustion which is leaving unburned fuel as it is venting. The blower would kick on but there was no igni. That helps keep the interior warmer by about 5 degrees and the underbelly is probably 10 warmer as a result.

The RV pilot light is usually located at the bottom of the furnace. You cannot see it without removing the cover as it is fastened to the back. RV Furnace Blower Comes on but Wont Ignite Another common issue is when the blower begins to blow but the furnace still isnt igniting.

Reasons Why An RV Heat Pump Is Blowing Cold Air Tripped Circuit Breaker. If the compressor is not functiong it is most likely an issue with the controlling system ie. Heres how to replace RV Ac thermostat Step 3.

In this video I show you how I fixed my RV furnace. Theres no danger of CO or anything since its an electric heater and its at least 8-10 away from touching the bottom of the trailer. Most RV furnaces are controlled by a thermostat on the wall.

Reasons Why Your RV Furnace May Be Blowing Cold Air Sail Switch. You can also examine the wiring to the fan itself for shorts or fraying. Wait for at least 30 seconds in each position and listen for the fan to start.

As a first step you may want to clean the combustion area. Fan Runs But No Heat. Next the control panel at the distribution center inside the RV to ensure there is power coming into the RV and the 12-volt automotive fuse is not blown.

Check whether the condenser coil is blocked by dirt. Normally this is an electrical issue. Clean out any debris the pressurized air missed.

Can be caused by a bad wire or by power not reaching the thermostat. While you are at it you should also check the roof portions of the AC unit for leaks loose bolts or gaskets. If its a tripped circuit breaker reset it.

Replace the blown fuse. Pilot switch issues are sometimes connected to airflow or safety sensor problems where the RV furnace blower comes on but wont ignite. If you see soot on the outside of the RV by the exhaust vent check all vents.

The Air Conditioner Blows Out Hot Air If your AC is blowing out hot air then the first step is to check the thermostat. If your RV air conditioner is running but not cooling you could have a blocked or clogged condenser coil. Not enough power from the thermostat to the furnace.

If the air feels warm and then turns cold it may be that the flame sensor is dirty. If it happens to be low power I merely replace the battery with a one that has the right voltage. Your vents could be pointed directly at the thermostat causing it to think that your RV is warmer than it really is.

Lets start with what should be an obvious one. You might get lucky and the RV furnace isnt turning on due to a lack of power.

Air Blows Cold But Rv Furnace Doesn T Light Youtube