These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. This is a 7.5 kVA Onan generator powered. JavaScript is disabled. Following a fault shutdown, the indicator light will repeatedly blink 1, 2 or 3 blinks at a time. Please review all product specs prior to purchase." For Additional Models - Please Call Us @ 1-800-800-3317 Mine is an HDKAK so it is a little different. ), http://www.rv.net/forum/index.cfm/fuseaction/thread/tid/26249506/gotomsg/26250404.cfm, Quote from: sunlovers on July 14, 2013, 09:17:35 AM, Quote from: Charles in SC on July 16, 2013, 05:22:14 PM, SimplePortal 2.3.7 2008-2023, SimplePortal. Even the error codes for older and rare Onan generators can be looked up on that site. Work at Road Amer. I was hoping someone on the forum had seen the problem before. It may not display this or other websites correctly. Begin by checking the fuel level. Did they show you how to clear the code? Your RV may be low on gas which would interrupt the fuel supply and again, overheat your generator. Condition: New - Open box. Service levels vary between mechanics and RV shops. Their generators are typically compact and relatively quiet. I have this same Onan generator in my bus. If you did use cheap gas or the wrong fuel, clean everything immediately to avoid problems. It may be bad and if you do not have the right tools to do this, you will need to go to an Onan-approved mechanic to get it checked. Their generators regularly come with intelligent control boards capable of self-diagnostics, while most units have an integrated design that is incredibly easy to connect to your RV. Generator would die after running approx 2-3 minutes but would start right back up and die again, over and over. Sometimes a generator simply cannot be repaired, or cant be fixed for a reasonable price anyway. But I'll tell you, if you have a buddy to help hand you tools and such it would of made it a lot easier and you wont be as sore as I was from getting up and down, crawling under and out from underneath getting my own tools. Place rag below sensor hole. This unit powered an American Eagle 40 foot RV/bus type. Does anyone know what the governor actuator does and will that prevent an engine crank? I did find a 1/4 socket that appeard to be left in the sealed unit from the factory! But the message will not be received if the owner does not understand the blink and pause system. 1-Battery Tender is good. Luckily, most Onan RV generator issues can be resolved, and some of these problems are simple enough that the average handyman can fix them. The major problem with replacing the heat sensor is corrosion. That shut down occurs when the generator is overheating. So I was able to use my motorcycle jack, some 6\"x6\" blocks, the RV's front hydraulic leveling jacks, and a few wrenches, removed the generator from the RV and repair it out in the open. If that is the case, then all you would need to do is add a little more oil to the oil reservoir. Make sure all of your connections are clean. This is why we present the ebook compilations in this website. If you have a Cummins Onan RV Generator, you are one lucky camper. While some RV generators will run until the fuel tank has nothing but fumes, the Onan models tend to stop working when youre down to a quarter tank. Were the outside temps real high those days? For example, you can find units that can power one or two air conditioners. It's a 7.5hdkaj11451g. Unfortunately the RV burnt to the ground due to an oil leak in the engine compartment, however the front portion where the generator was housed was not destroyed. Some people do confuse the 3 blinking lights as fault code #33. Why yes, Mr. Forest Ranger, we are allowed to run the generator in our RV while were parked in sensitive national parks, because we know it cant accidentally spark a wildfire. Other places to look include Craigslist and your local Facebook Marketplace, both of which occasionally have Onan RV generators for sale. Easy, accessible maintenance points Therefore, we recommend that those needing a more affordable solution look for used Onan RV generators for sale. I'm assuming there is a bad circuit board and that I'll need to take it to an Onan dealer. Older Onan boards allow reset of the alarm functions and a lamp test by pressing the pushbutton on the circuit board. They can also be picked up from junkyards where RVs have been discarded. The units that do this are the ones drawing from the gas tank. When you mention resetting the 35 amp circuit breaker. ONAN 300-1540: Power Regulator Board: Repair . Opened it up and found the problem. If this is your problem, you will find this video most helpful. 300-5332 and Cummins Hour Meter Onan onan generator parts 7500 Remote Switch Cummins Onan (300-5332 Remote Switch and Hour Meter Product Description & Features: Cummins SWITCH and HOURMETER - For use with gasoline and LPG generators Features View More Parts YTX9-BS Battery Replacement for PTX9BS Predator Generator (8750 watt) Below are some tips and tricks for diagnosing and repairing your Cummins RV generator. These generators pull fuel from the motorhome tank through a tube. It was taken out of our motorhome. I can't imagine it only happening to our Vectra. It is a simple way to communicate with the owner of the generator. The 7500 Quiet Diesel generator uses an Inverter/Control Board that monitors almost all your generator electronics. We flush the cooling system and replace the anti-freeze and radiator pressure cap on our Onan 7.5 kilowatt QuietDiesel generator every two years. Then check the engine oil level and look quickly for anything out of place, such as fuel or coolant leaks. First, that is not a governor actuator, it is a fuel shut off solenoid. Copyright 2000-2020 by, ---------- Post added at 12:30 AM ---------- Previous post was at 12:09 AM ----------, ---------- Post added at 12:49 AM ---------- Previous post was at 12:43 AM ----------, ---------- Post added at 01:09 AM ---------- Previous post was at 01:06 AM ----------. Al has contributed many blogs to RVshare, focusing on finding the best parts and accessories for your RV. I changed the oil in the generator prior to a cross country trip in January. Did they tell you what that code indicated? Luckily, most small engine repair shops can work on these units. Believe it or not, some Onan error code lists skip this number and go from #32 to #35. That is 60 decibels of noise or less at a distance of fifty feet. To prevent this from happening, run the generator dry, or you make it a practice to add fuel stabilizer. Flashing code 29 after mobile repair tech saturated it with batterie charger hooked up to terminals on back of generatot . (Safety Guide). This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. There are 965 hours on generator. If you have difficulty registering an account, logging in or need other account-related assistance, send us a message and well get back to you shortly. From the Onan Operator's Manual: First-Level Fault Codes: The genset controller provides extensive diagnostics by causing the status indicator light on the Control Switch to blink in a coded fashion. Copyright 2022 RVshare.com Unfortunately the RV burnt to the ground due to an oil leak in the engine compartment, however the front portion where the generator was housed was not destroyed. However, those are not always easy to replace and can be expensive. Onan is one of the top selling generator brands in the United States. One of these is the fuel cut-off switch so you dont use all your gas running power though it would leave you stranded on the side of the road. Hey guys. Good luck! It will extremely ease you to look guide Onan 7500 Quiet Diesel Generator Manual Troubleshooting as you such as. Look for the J Box that connects the generator output to the feed going to the transfer switch. The first step in fixing Onan RV generators is troubleshooting. The generator is a 7500 quiet diesel model no. . Onan generators are among the smartest on the market. Here is Our View. I tested the input at the automatic transfer switch and found power coming in on leg 2 but not leg 1 with gen. running. Checking inside the housing for rodents and bugs is always a good idea, and you may also want to check that the ground wire is still firmly connected on both ends. The reason for that omission is that the problem is an uncontrolled shutdown. Contact Us. I did see a another smaller fuse holder in the wiring behind the circuit breaker but have not checked it yet. Begin by checking the fuel level. Too many to post here. The driven 12v solenoid wire had vibrated out of its connector crimp. Generator Detail Design: Onan, permanent magnet Insulation System: Class H Exciter System: None This code seems to be missing from the manual as well. You will find that if you stick your finger in the coolant that it may be barely warm. Hope this helps someone out, I couldn't find any videos on this particular repair. So after some research I determined it was the coolant sensor was bad. The issue with the circuit breaker was that it would just not reset and actually a couple of times before it took a couple of try's before it would re-set. Try this video to get started, and see where your search takes you. Have you ever run it this way before at outside cooler temps with no issues? What if you dont have the manual? Fortunately, the #33 code seems to be the standard overheat warning for all Onan generators including this model. And verify that the RV shop is experienced working with Onan Cummins generators. Cummins Onan QD 7500 - 7.5HDKAT41934 - 7500 Watt Quiet Diesel Commercial Mobile Generator. The solenoid pulled in the starter contacts and the engine cranked. - Step #1: Overloading the generator - Step #2: Check the state of the air filter - Step #3: Exhaust system - Step #4: Spark plugs - Step #5: Fuel lines and filter Some solutions are very straightforward and fall under user maintenance, but some require specialized tools to diagnose and repair, and attempting them can void your warranty. Then, the second problem is that #33 and #44 are not assigned as fault codes by Onan. You will be able to leave a comment after signing in. If that doesnt work, there is always a trusted mechanic waiting to help. To learn more about this code, what it means and how to fix it just continue to read our article. 169.95. where you travel, call 1-800-888-ONAN and ask us to send you an RV Service and Parts Dealer Directory (F-919) or visit www.onan.com. May also be under voltage if that happens. If the generator is cutting off, check the oil levels. 2. All this code means is that there is an overheating problem with your generator. Work with the generator shut down and the unit unplugged from shore power. 5 years RV repair and reconstruction, Fleetwood RV Training course completion. Hello guys! A new year means new ad, DELIVERY ALERT! Here's the general procedure for. So it didn't take me too long to decide to do some research and tear into it myself. These generators pull fuel from the motorhome tank through a tube. Proper communication is essential when you have a mechanical failure. The first step in fixing Onan RV generators is troubleshooting. Could it be overheating due to air flow issues out on the road. Onan Quietdiesel 7500 Caterpillar 3126E"> Allison Transmission 3000 Honda EU2000i 1992 Jeep Wrangler(Towed 4 Down) . Onan generators are often powerful. Dave M Logged MCI7 20+ Yrs Foretravel w/ISM500 WG4T CW for ever. Thats especially true for consumable parts like spark plugs and air filters. That's why while traveling I have decided to dedicate some time to share my experiences with everyone that might be interested in traveling, camping, and RVs. Trademark Office. ). This also means youll get extra mileage out of the generator if you use a good fuel injector cleaner periodically. Finally, two wires are going from the carb to a shut off which houses a needle and an electromagnet. That would be a big mistake. 6.7L Cummins Fuel Filter Water Separator and Oil Filter Set Fit for Dodge Ram 6.7L Cummins Diesel 2013-2018 2500 3500 4500 5500 Replaces# 68197867AA 68157291AA 5083285AA. remove t-stat from top of engine & remove coolant below sensor hole. What You Need to Know Before Buying an RV, 9 Easy Ways For Working Out While Traveling in an RV, The 7 Best RV Parks Near Zion National Park and Why, 7 Wonderful RV Parks in Las Vegas and Why We Recommend Them, 7 Useful RV Parks in Yellowstone and Why? After than it is a bunch of wires leading into the electrical panel, everything I could get to easily checked out. Wish I had enough picture attachment space left for a sight you do not want to see under the J Box cover. Onan 7500 Quiet Diesel fault codes Reply #10 on: July 14, 2013, 12:47:29 PM What bus are you working with ? We would appreciate it if you post the cause of the problem here when you eventually find it, so we will know how to help others in the future. Do you mean the breaker will not stay in the on position or you just do not get a voltage when its reset? $6,436.95. Notice that #33 is not listed there nor is #44. The breaker on the gen. had two legs one part obviously bad hence my original lack of power to the rear a/c. I have a Holiday rambler with a quiet 7500 Onan diesel generator while it was running I closed the Generator hatch into the coach and the generator stopped running. Do you have a dual fuel generator in your RV? It displays an error code 46 which the manual says is low voltage. Do you need extra air conditioning in your RV to stay comfortable? Onan is relying on network of contracted dealers to provide service for most of their RV generators. If you take it out of the RV and use it to provide backup power for your home, the warranty is two years at most. So you should get back one side of your 120 volt AC. There are a lot of reasons to travel on your own. Should State Residents Get 1st Shot At State Run Campground Reservations. Sounds like a poor ground connection somewhere. The units built up to around the late1990's used brushes on the pickup of the 110 volt Alternator and they do wear out over time. Replace your old failing generator in your RV or use as a backup power source on the farm/ranch. The over voltage protections in particular tend to engage when you walk into the RV and turn everything on. The unit was LOAD TESTED, by the shop and is in excellent running condition. I believe what your talking about trying to say is the fuel solenoid. Know how much power the generator can supply and the load everything youre running in the RV will draw. However, they also make portable generators, especially those that go in RVs. Only use high quality gas, though this doesnt mean you have to use premium gasoline. Has to pull in for the engine to start. Well pulled the dam thing out of the motorhome. That is aside from the fact that Onan generators are often built into the RV by the manufacturer. Of course, if youre going to fix the Onan generator in your RV on you own, youll need to find the right parts to do so. While you definitely want to be sure you can run, Youll likely want an RV generator when you travel. There was no damage to the inside, only some external wires were melted, they were replaced. This allows you to conserve gasoline when youre away from civilization. A-iPower SUA3800iED - 3500 Watt Dual Fuel Electric Start Inverter Generator w/ Wireless Remote Start (CARB) $617.49. Model 7.5HDKAJ11451H S/N G020388776. While that adds to the cost of your maintenance routine, it is a necessity because Onan generators are designed to run smoothly on high quality intakes. Theyre, Youre likely going to want an RV generator when youre. Choose from a wide variety of durable Onan parts, like a quality carburetor with gasket to replace your current model. Once it starts to take place, it can weld the sensor to the engine making it extremely difficult to remove. Again, look to wiring connections. If your generator is built into your RV, there is usually a fuel supply line to help run the unit. They can self-diagnose issues. If the unit is truly overheating, then just shut it down and let the generator cool off for a while. I agree to RVshare's privacy policy. One of these is the fuel cut-off switch so you don't use all your gas running power though it would leave you stranded on the side of the road. Find out what the warranty will be from the supplier. A faulty inverter module is another possibility (expensve! Steve F. RVIA Certification. "A Community of Antique Engine Enthusiasts." The owners manual is of no help at this point. They generally have fuel filters. Could be an issue on the one leg. Well I heard back on the overheating 7.5 Quiet Diesel in a 2004 Spartan . This makes troubleshooting a little bit more difficult. Onan has made a number of design changes that simplify maintenance. If it looks contaminated, it is most likely that the oil quality is the reason behind the Onan generator won't start. If it is, then you may have a hard time replacing it as corrosion is known to freeze the sensor in place and you may have to remove the engine head to get to it. Hamiltonbobs Premium Quality Oil Pan Gasket Made for IH International. My original problem was that the rear A/C was not working on the generator, but was working on shore power. If the latter, then there is a problem with the generator part of the unit. How many spade terminals do you have on your solenoid? For example, you may be able to run the air conditioner at full blast and the refrigerator at the same time but not the microwave, too. This is my 2004 38N Fleetwood Bounder with quiet diesel Onan generator. Then, the ECM system which heats the glow plugs that help the engine to start, may not be heating those glow plugs. If the safety feature trips and the generator is giving you an error code, look it up before assuming that resetting the generator is all you need to do. Your batteries are most likely having trouble trying to kick start the generator. That said, as is the case with any other appliance, Cummins RV generators can develop issues over time. The RV was a lemon but the generator was the best part. Onan 7500 Diesel problem. Minneapolis, MN 55432 763.574.5000 1-800-888-ONAN Fax 763.574.8289 www.onan.com Do not use this genset on a boat. However, it wont tell you outright it thinks the oil is low. It also means that an oil leak in the generator can kill it well before the unit suffers damage. Why not dive right in and get that nifty gadget up and running once again? Onan Exhaust Gasket A028X874 ,185-6853. You are using an out of date browser. Rated 5.00 out of 5. While the Onan RV generators are an industry standard, not all service providers can and will have replacement parts in stock. Only cost $100, much less than I was anticipating. Blink and pause. Special sound-controlling housing encloses cooling system and muffler. around 4 pm and looks like it didn't take. Terms of Service First, that is not a governor actuator, it is a fuel shut off solenoid. Then you need to move on to the oil and fuel supplies to make sure they are clear and full. And it allows you to switch to another fuel source to see if the root cause of it shutting down is a low gas level. Fortunately, the #33 code seems to . There is no process to clear an error code, you just have to solve the problem and it will not display again. Check Battery If your device has sufficient oil then the next thing that you need to check is the batteries. Could you post the Model number and the number of Hrs. It may not display this or other websites correctly. It will take you to the list of fault codes and have instructions on what they mean and how to fix them. Generator Control Board: Repair: Call for price: ONAN 300-2812 REV C: 24 Volt Engine Control Card . Has to pull in for the engine to start. Another cause would be low oil. My generator unfortunately does not slide out on a tray so I had to get a little creative and remove from the bottom because the entire top panel has to come off the unit. Other advice would be to place your Onan owners manual in a safe place, a spot you wont forget about, and refer to that first. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and won't start. Location: Havertown, United States. -Glenn, Karl, yes I just checked and noticed they only have the spec sheet and maintenance diagram online. When that happens all it is telling you is that the heat sensor is going bad and you will need to replace it. In the future, top off your RV gas tank so that it never runs low. If the code still exists, the generator may be in need of further repair. Ordered all the thermostat parts from ebay, all OEM Onan parts for about $80, ordered the glow plugs from ebay as well, all OEM Onan plugs as well for what I thought was a WHOPPING price of about $150. SMOKSTAK is a Registered Trade Mark in the U.S. One solution is to check the manual. With only 600 plus hrs on the Generator, I would look for loose connection issue outside the generator. The first piece of advice that should be given to every Onan owner is that you need to make sure to remove all loads before shutting the generator down. Hopefully this will solve this issue. Replacing it may be your only solution. Prefer to do the work yourself? This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. As for as the original problem of missing power on one leg you mention brushes wearing out, is this something that I can inspect/check on myown or will it require dealer service? 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That those needing a more affordable solution look for the engine cranked on what they mean and to. Did use cheap gas or the wrong fuel, clean everything immediately to avoid problems on solenoid. The best parts and accessories for your RV to stay comfortable Onan is of. Cleaner periodically noticed they only have the spec sheet and maintenance diagram online shore power in... Cant be fixed for a sight you do not get a voltage when reset! Generators, especially those that go in RVs hope this helps someone,! Pull fuel from the supplier but was working on the gen. had two legs one part bad! Travel on your solenoid if your generator is built into the RV shop experienced! And running once again - 3500 Watt dual fuel Electric start Inverter generator w/ Remote... This model is corrosion, by the shop and is in excellent running.! A time outside the generator is built into your RV, there is usually a fuel off... To provide service for most of their RV generators is troubleshooting RV generators are among the smartest on the.... Rv repair and reconstruction, Fleetwood RV Training course completion work on these units a wide of. Towed 4 down ), i would look for used Onan RV can. Is cutting off, check the manual then just shut it down and let generator! Some Onan error code 46 which the manual a reasonable price anyway and replace the anti-freeze radiator. Means youll get extra mileage out of the motorhome tank through a tube i was hoping on. And looks like it did n't take me too long to decide to is. 10 on: July 14, 2013, 12:47:29 PM what bus are you working with find if... Everything i could get to easily checked out this from happening, run the unit unplugged from shore..