Normally, I check the sail switch thoroughly every week just to make sure it functions properly. Now, this isn’t just a problem for me. A weak power source won’t trigger the sail switch, and it won’t regulate the air flow. Sometimes, the fan itself will not be aligned properly and will rub against the “birdcage.” If that’s the case, I merely align it to where it should be. If the problem is worse, a technician might have to come over and take a look at it. Do take out some time after the summer season to do the basic preventive maintenance. I tried wiggling the wire that goes from the front of the igniter box ... it will stop clicking for many hours and then start up again. Electrolytic corrosion might lead to the development of a gray, white, or greenish material on a terminal over time. Riving in winter is fun and adventurer but a malfunctioning furnace will make it worse. Faulty wiring, on the other hand, will always require help from a professional repairman. First, I check if I have any propane left. Take a fresh piece of wire which is similar to or perhaps thicker gauge and then strip the protective layer at each end by 1 inch. If it … Hot water heater is working. Naturally, the thermostat might not be the issue altogether. The “brain” of the cooling and heating system is actually the thermostat. These issues have already been covered and include no ignition, no heat production when on, clogged venting areas and filter problems. Airflow is very important, and a thick filter can do more harm than good. Consider swapping to a backup battery which can generate in excess of 10 Volts, if feasible. Make use of wire brush to clean the dust over its components. That way I can charge one while using the other safely. The first is the pilot light — I have to relight it, and if I’m successful, the valve will work. Without adequate electricity being supplied to the furnace or the thermostat, it might not be able to fire, and the fan may or may not work at all. There could also be possibility of having a bad temperature limiting switch. The motor runs for 15 to 30 seconds, then the pilot light or direct spark system ignites the burner to heat the air. Recognizing one such furnace is simple. This usually solves the problem. When it comes to the electronics, I always contact a professional. Naturally, there are batteries out there that get drained pretty quickly, even in regular weather. Unlike the three manufacturers before it, Suburban Manufacturing does not have a discussion forum when it comes to its RV products. Simply hooking them up to a shore power source won’t do any good then. However, there’s the question of how to lubricate them. Most of the issues that a Duo-Therm furnace can have involve air filters, valves, debris build-up and ignition. That’s not how it should be done. Wippign off fan balds during the maintenance is also recommended. In case the battery terminals become corroded, it might be possible to get the required power from the connection by cleaning them using a mixture of baking soda and water and then using an old toothbrush for scrubbing it. It’s important to connect the gas line, the wiring, and the vents properly and securely. Check repeatedly all the connections as well as wires. Snip out the section which has been damaged by making use of a wire cutter. This could be the result of blocked vents on the furnace or any other obstruction caused. If this is the case, I replace them as quickly as possible. In other words, there’s an ignition system malfunction that needs to be fixed. The furnace may make a click sound but it wont start. In case it does work, you can be certain that the propane tank is not responsible for this. At times the vibration caused by driving can cause a wire to become loose, or a connector might even fall out. Electric furnaces are far more portable. I would also suggest buying a propane cylinder that also has a leak detector and a gas gauge. When compared to other manufacturers, these problems don’t seem as bad. Braid together the ends of the cable which are exposed. You may be capable of using the 12 Volt battery from the tow vehicle or motorhome in a moment of panic; however, it’s a kind of “Last Ditch” matter. Of course, any foul smells usually indicate problems with the furnace as well. Normally, RVs have two separate blowers — for air regulation and gas removal. Vaccum all the possibel areas isnide. We are out of ideas. Sometimes, only the valve coil might need replacement, not the whole valve itself. Most of the problems will get addressed here, but I’ll summarize them nonetheless. rv furnace blower comes on but won't ignite: What to do . But if it’s gone bad, it can’t execute the commands sent from your thermostat, and your AC won’t start. Well, yes and no. Norcold refrig gas igniter won't stop clicking (too old to reply) Kelliann 2007-01-07 23:23:01 UTC. Although they are intended to last a long time, burning out or making a part to malfunction is not unheard of. 2. There’s really no need to introduce someone as powerful as Keystone. It makes no noises, nor does it crackle or vibrate. Usually, the flame sensor contact is the first one to go. While doing this verify whether the connections are corroded. Usually, this noise comes either from the fan or the motor. Burnt fuses or tripped breakers can also cause problems with the igniter. This needs a careful approach while monitoring wires. The furnace needs at least 10.5 volts DC and sometimes more to open the valve. The most common ones with Keystone models appear to be intermittent heating, lack of air flow and lots of clicking noises. This could be an issue with the limit switch. RVers, especially new ones, usually complain about the odor that reminds them of burning rubber. However, they do offer support services throughout the United States, and the locations of these service centers can be found at this link www.airxcel.com/suburban/service-support/service-locator. I’ve once had to deal with water in my electrical compartments. However, the sail switch itself can be the cause of this issue. The first is not that dangerous — it’s merely the igniter trying and failing to start the furnace. Never, under any circumstances, go anywhere with just one furnace battery. As a first step you may want to clean the combustion area. So, you will have the fan running but thee wont be any heat or less heat. With most RVs, the furnace is located on the lower side of an RV. Normally there are two possible scenarios where the furnace would start clicking. There are some RVers who’ve mentioned the smell of burning rubber not going away. It just takes longer to go away with some RV furnaces. But like most things, furnaces can malfunction. Although it might work, it will not be able to fix the problem permanently. What follows is a brief summary of more popular brands, as well as potential places users can look to for solutions. This problem is especially troublesome when you are not getting heat at some point during the very cold winter months. Left unattended it can prevent the furnace system from getting electricity. But it’s not all doom and gloom. In case it is less at 10 V then one of the onboard batteries is likely to be the issue. It might be a good idea to begin at the furnace on its own. Nevertheless, they remain popular, which is why so many people want to know how to fix their Atwood RV furnaces. If it happens to be low power, I merely replace the battery with a one that has the right voltage. The best thing to do is to just let the furnace work normally. Normally there are two possible scenarios where the furnace would start clicking. There are several key steps I should do before I can remove my furnace. Verify repeatedly all the connections as well as wires in it. Make sure you are doing preventive maintenance as per schedule. However, there are solutions to it. However, a different problem might be insufficient ventilation. Nevertheless, on some occasions, something such as a dead battery or a loose cable might result in the malfunctioning of the thermostat. This is pretty standard and it only requires putting in a new fuse. In 90% of cases, that’s the issue at hand. The suburban forced air furnace in the RV will not ignite. Remember you must first push the relay down and then up to reset. To put it simply, it’s impossible for a functioning propane tank to regularly let out the smell of propane. This is nothing but a ignition system failure. How to diagnose a bad contactor: If your outdoor unit won’t come on and all you hear is a click (but no humming or buzzing), your contactor is likely the problem. I've cycled the furnace switch, several times and the fan never comes on. I would get rid of as much moisture as I can, then proceed to replace all the fuses. If that’s the case, the only solution is to visit the closest RV repairman and have them look into it. The duct would be blocked or is long enough. Or they just don’t recharge properly. Other things to look at include duct inspection and repairs, cleaning the fan, and checking on igniter lines. Otherwise, your furnace won’t start. You definitely don’t want to be there in the middle with a non working furnace. The problem in this case is with the blocked vents of the furnace. This means that some cleaning is in order. Once it is out you should see a circuit board, with a 4 pin wire coming from it. If you have installed a new furnace then try it out multiple items before heading for a camping trip with heavy snow and chilling cold. No electricity results in less force to ignite the sail switch. Once the furnace starts, it should shut off when the desired temperature has been reached. Can You Walk on the Roof of an RV? A burning rubber smell must be a bad sign, right? I ought to stress that not all of the solutions above apply to all RV furnace models out there. In addition, they heat up the entire RV, which can be both good and bad. Cleanig is definaetly a way to maintain the furnace but it may not immedietly reduce the nosie. Often, newer electronic thermostats will display an error code if something is wrong. Removing the excess duct can be one solution if you encounter the problem initially. Furnace won't ignite. It can happen when you have a bad thermostat. This happens if the furnace is in locked out sate. In my opinion, there should always be a battery inside the RV furnace. Finally, I reconnect the wiring harnesses and shut the access door. Low BTU ratings can also be the culprit behind low gas pressure. And just like Keystone, they maintain a lively online presence at www.forestriverforums.com. House battery power. The RV thermostat itself could have gone bad resulting in control cycling on and off. Or instead, I buy a new part for the furnace and replace the faulty one myself. When the temperature is going down, its snowing and everything is freezing, you don’t want your furnace to have this issue. Once again, the low battery voltage can be the issue here, so the best thing to do is to replace the battery. It’s just the new furnace “getting used to” the heat. I have a Model 663 Norcold 3 way refrigerator. Recreational Vehicle (RV) furnaces always seem to malfunction just when you need them the most. Also, while I’m checking the thermocouple’s voltage, I go over the voltage of other mechanisms linked to the circuit too. You would get the replacement if the issue isn’t resolved. Three batteries might be the golden standard, though, but not more than that. A few people even reported problems with thermostats. Following this, they can be soldered and wrapped using electrical tape or you can even twist them safely within a wire nut. A simple multimeter test will inform you of the number of volts the furnace is equipped with. After all, a thermostat can be easily replaced with any RV model. In that case, the best thing to do is to either replace the wire (or the whole mechanism) or just use electrical tape. Next, I disconnect every wiring harness of the furnace and unscrew the igniter from its position. I have plenty of propane. The only solution I can think of when it comes to this is to replace the dealer. Maintaining the furnace must be a priority since it provides heat for everyone within the motorhome. They have their drawbacks, however. Some of them relate to the furnace not igniting, even if other elements are working fine (such as the fan). Replace the wire or thermostat to fix the problem. I would first look at your fuse panel and see if the breaker to the AC has tripped. Proper RV furnace maintenance can provide people with warm nights, safe winter days and an overall enjoyable motorhome experience. We have seen such a issue with our suburban furnace last year. Whenever people ask me how to replace igniters, I always tell them to call a repairman, as igniters are very delicate. However, there’s always the risk of a power outage, in which case most of the RV systems will shut down instantly. The control board contacts usually corrode from overuse, and it’s important to take care of them from time to time. Another common issue is when the blower begins to blow, but the furnace still isn’t igniting. A broken cable might be required to be spliced, patched, or even replaced whatsoever. Some RV furnace … This again is seen by many new RV furnace buyers. The first is not that dangerous — it’s merely the igniter trying and failing to start the furnace. You can try to turn … In case it is a problem related to low battery, the thermostat will begin to function normally while the furnace should be firing once again. Vents can blocked due to various things, debris dust can also block it. Lets check how to troubleshoot this problem. Just like with igniters, I always advise consulting a professional when replacing the gas valve. Shipping An RV 101 – How Much Does It Cost? Furnace won't start. Any Jayco RV owner should pay them a visit at www.jaycoowners.com. Then, after buying a new igniter, I insert it into the furnace with its tip facing the inside and screw it into place. In terms of Forest River furnaces, they usually have issues with no ignition, cold air blowing or will simply not start. Considering that the installation of an RV furnace is almost the exact opposite of its removal, I won’t repeat the steps in too much detail. If not, they can cause lots of problems in the future. (I'm pretty sure I heard the furnace when I went by the RV yesterday.) Make it a point to verify that everything is quite tight. Check for the furnace box, see if there is anything that is blocking the furnace vents. It was later replaced by the company. Any number of issues can be the cause of this. Atwood is probably the oldest of the manufacturers listed here, having been founded in 1909. my house or an outside generator), I technically don’t need a battery as a power source. Consequently, the panel should be checked for making certain that every single breaker for the thermostat and the furnace is switched on. If you are in warranty then the company would replace it. Most of the times, they’re just defective and require replacing. It’s important to dispose of the old tank at the proper disposal facility, for environmental reasons. If you are having problems with your RV furnace, you do not want to have to take the vehicle in to have it serviced. Normally, the amount of smoke will go down very soon, and it will work just fine. Tie the red and white wires together, and switch the power on. Some oil residue will, therefore, remain in the furnace, even after years of continued usage. Following this, switch on the thermostat and allow it to reset the internal program. Capacitors store high-voltage power and there is a chance to get electrocuted if you attempt any repair. Not great news for an RVer like myself and so many others. Jayco have been on the market since the late sixties and are normally a mark of quality. If this is the problem, always hire a professional to do the repair work. In fact, my own furnace had that same “issue” four months ago. One or two connectors might have come loose, so I reattach them. ... the RV. Other possible “culprits” could be the sail switch being on, blower motor problems, or the time delay relay switch being closed instead of open. The blower propels this warm air into your RV… Look closely at the connectors and the battery terminals. If your furnace clicks on or initiates the start cycle, but does not fire up, you likely have a faulty or dirty ignitor/sensor. This will lead the temperature limiting switch to turn off the furnace. It’s surprising how often this problem pops up. This is nothing but a ignition system failure. Prepare a slurry blend of water and baking soda. Lots of excess propane gets wasted, for instance. Make sure the thermostat is is fine working condition. As such, it’s a common topic among online communities, considering how often RVers use their products. This can be a problem, as there will be no flame, or it won’t stay on for long. The issue could be with the control board which wouldn’t respond to the lighting signal. Check for debris, dirt or bugs in the exhaust or inlet. The first thing you want to do if your furnace … You never like to end up with a dead battery in the long run. hasn’t been used for several days. However, in case of faulty bearings, I always recommend proper replacement. This might be because your thermostat is actually on the wrong setting. I’ve outlined how to deal with all three earlier in the text, as well as how to deal with a faulty igniter. My very next step is to cut the thermostat wire going into the furnace itself. If I were to have an ignition problem with a Suburban RV furnace, all I’d have to do is clean up the burner and check the wiring. In other words, it’s not a problem if the smell comes out once and then disappears with gradual use. The 12 volt fuse is good in the dist panel. In most cases the control board need to be replaced. Occasionally, it’s just an issue of tripping a circuit breaker. You have to remove the cable from the wall carefully for checking this. This particular issue might actually not be an issue at all. We have plenty of propane. The blower motor turns on after receiving a message from the thermostat. Even small dirt or debris can cause the obstruction in the furnace which can lead to reduced efficiency and noise. Either ways make sure you take it on priority as otherwise it can result in heating problems. Perhaps a fuse is blown, or a terrible smell is spreading. It’s important to note here that, should anyone install a filter on their RV furnace, they have to pay attention to how restrictive it is, or rather — isn’t. If it touches a different wire, it can cause a blown fuse, just like with any piece of electronic equipment. In case the thermostat has got a digital display panel which is blinking, it might be because of a loose cable. The RV furnace will fire up,but for some reason won’t stay turned on. This can be done by setting a 2-way refrigerator to the propane, turning on the propane range which works internally, or igniting other appliances running out the identical gas line. It will be possible to diagnose any malfunctioning on the part of the propane gas or tank lines by assessing whether any gas is obtainable. The first one is easy to solve, as it only includes resetting the selector to the desired position. Then the furnace turns on and works normally. Out of Propane. Most of the times it will not be your furnace but its the furnace then be sure something is right with it. This can be caused if the furnace vents are blocked. However, even with persistent smells, the answer is most likely the oil residue. If its there then do check and adjust it accordingly. If there’s a propane tank, it’s probably gas-powered. A few issues can be the cause of this. For example, the igniter can be malfunctioning or dirty, and, as such, can allow for gas build-up. However, sometimes it’s the wiring of the furnace that’s the problem. If not, I refill the tank as soon as I can. Maybe they won’t ignite, or the igniter is busted. However, I shouldn’t have to point out to only do that when the furnace is cold, i.e. Usually, I first check the pilot light. After all, a furnace shouldn’t be blowing cold air, right? Everything else works in the fiver, stove lights and all circuits are good. The vast majority of RVs come with built-in propane gas furnaces. And then, there are the propane tank problems. A good way to test this out is to run the blower, (blower is apt to operate fine under 10.5 V) if the blower runs then that means the battery supply may be under 10.5 V and thus its not able to open the furnace valve. This is common issue with new purchases. If it is possible, try to use a backup battery which is able to produce in excess of 10 V. Being disparate, you might be using the 12 V battery from the tow vehicle or the motorhome although this will be your “Last Ditch” effort. Some people prefer to have a “cooler” section of their motorhome, and the propane furnace always spreads heat evenly. In case it doesn’t work, I retrace my steps or just get a different igniter. The internal furnace switch wont let the furnace ignite resulting in less heat. In that case, I recommend a thorough cleaning. But it goes a little beyond that. Disconnect carefully the wires and the connections from the terminal which is corroded. This is actually an issue, considering they specialize in products related to motorhomes, especially furnaces. However, Dometic became the majority owner of both Atwood and Duo-Therm, so their products are largely sold under the Dometic label. Normally, I first check the power connections. A working of furnace will vary depending on the type and model. If the furnace keeps cycling on and off despite the temperature meeting then there is some problem with the furnace functioning. Well, not exactly. I disconnect the tank and immediately buy a new one. Lets see the steps we need to follow for this. In order for the furnace to start running, you need to set the thermostat for a temperature that requires the air to be warmed up. One of the issues that will pop up in this text deals with noise, specifically squealing. RV furnace operates with a 10.5 V supply and at times if the battery is not able provide above 10.5V then the furnace wont ignite. If my furnace doesn’t shut off, I immediately check the thermostat. Check your thermostat when your furnace won’t start. If I plan on using my RV at home and hooking it up to shore power (i.e. Of course, there could be any number of other issues when it comes to loud noises. Other times, the furnace won’t switch off. Most of the times, this happens just after ignition. They can be found at www.keystoneforums.com, with hundreds of threads discussing various RV topics. In case the onboard batteries indicate that they are supplying adequate power to the device, then you can test to see if the issue is due to a broken or loose wire. A couple friend of ours had this issue with their Atwood furnace where in the furnace would turn on and then shut of in like 20-30 seconds. Then again before the furnace shuts off (fan is still running) the clicks happen again. This must be checked at the module board with a multimeter. Forest River shares its “birth year” with Keystone, having been founded in the mid-nineties. It’s important to keep in mind that electrical tape is just a temporary solution. This issue or if the furnace is blowing cold air could be due to the circuit board issue or the limit switch issue. RV propane furnace troubleshooting is but one of many topics RVers like myself tend to talk about often. If feasible, let your hand run along the line while trying to feel any areas which have been either damaged or cracked. Or maybe there’s too much butane within the propane tank. Having a functioning one inside the RV is extremely important, and sometimes even the smallest glitches can cause huge issues. To get to the root cause the type of noise is an important thing to notice. Rv furnace problems are very common and finding a solution to that problem is easy if you troubleshoot it step by step. One of our friends travel trailer Dometic furnace had this issue but they couldn’t get it fixed. Most of the ducts that run from the furnace run from the bottom through the entire RV, heating it up evenly. When that happens, I replace it. You want the problem fixed immediately. Starting at the furnace itself could be helpful. Aside from the igniter breaking down, other possible problems could include a faulty thermocouple, a bad pilot light or a shut gas valve. In the majority of these cases, the display screen is going to blink or it might also provide you with a blank screen. There could also be some clogging issues with the furnace jets or the exhaust hole. This can be due to distribution hose becoming loose or detaching from the connection. In addition, they run exclusively on electricity, so there’s no wasted energy or harmful emissions. This has to be fixed and its a good idea to take technical help here. Now it just won't even start. In case it’s broken or damaged, I buy a new one and replace it. It’s nighttime and the interior of your RV start to get a bit chilly so you decide to fire up the vehicle Atwood furnace. We have a new landmark fifth wheel and the last few days the furnace would shut off unexpectedly. You’d never like to end up with a dead battery as well. This handy tool will show if there’s any difference in pressure within the lines. The temperature limiting switch shuts off the burner when high temperature are reached. I then unscrew any section of the furnace that’s screwed to the base and I can slide it out with no issues. Normally these smells only come from time to time. If it’s the fan making the noise, soundproofing can help. In case it isn’t working, the problem is most likely with the thermocouple, which I check immediately after. However, the air filter, the blades or even the motor can be an issue. Furnaces are designed to make sure they are turned off once the temperature is reached. I’ve talked about leaks earlier, and if anything is a telltale sign of a leak, it’s the smell of propane. Any number of reasons can be behind a broken igniter. Naturally, if none of these are the problem, the gas valve is most likely defective. Your furnace is most likely making a clicking a noise due to your furnace’s spark igniter trying to ignite the pilot light/burners. In case this happens, several things might be the problem. There will be times when the furnace backfires severely. 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