They can self-diagnose issues. This is because of the safety features built into the RV after youve lost power, even if it was because you disconnected the battery while working on the generator. I agree to RVshare's privacy policy. Contact Us. You must log in or register to reply here. It will take you to the list of fault codes and have instructions on what they mean and how to fix them. -Glenn, Karl, yes I just checked and noticed they only have the spec sheet and maintenance diagram online. ONAN 300-1540: Power Regulator Board: Repair . Their generators are typically compact and relatively quiet. Or perhaps you're looking for an Onan Generator Fuel Pump that goes the extra mile? This also means youll get extra mileage out of the generator if you use a good fuel injector cleaner periodically. Another issue is the application. Fortunately, the #33 code seems to . The 7000 watt Onan RV generators may seem like they can run everything in the RV, but you can cause it to trip safeties if you try to do too much. To learn more about this code, what it means and how to fix it just continue to read our article. $. However, they dont always have excess capacity. Even the error codes for older and rare Onan generators can be looked up on that site. For example, switch to propane if the gas tank is getting low. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Yes, I want to receive promotional emails from RVshare. The driven 12v solenoid wire had vibrated out of its connector crimp. Hopefully this will solve this issue. Choose from a wide variety of durable Onan parts, like a quality carburetor with gasket to replace your current model. If this is the case with your model, you can find the meaning of the code your display is showing by heading to this website or checking your Onan RV generator manual. Have you ever run it this way before at outside cooler temps with no issues? Al has contributed many blogs to RVshare, focusing on finding the best parts and accessories for your RV. Onan Exhaust Gasket A028X874 ,185-6853. Another cause would be low oil. Cummins Onan QD 7500 - 7.5HDKAT41934 - 7500 Watt Quiet Diesel Commercial Mobile Generator (120V 35A) Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. From what I understand, you were running it while you were out on the road? 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. Fixing Onan 7500 Quiet Diesel Generator Fault Code 33. $13.94 Shipping. Finally, two wires are going from the carb to a shut off which houses a needle and an electromagnet. You will find that if you stick your finger in the coolant that it may be barely warm. Opened it up and found the problem. Do I have just a bad CB on the gen or is that a sign of other problems? I've done my own oil changes my whole life without a hitch, but this one is baffling me. ), 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. Generator Detail Design: Onan, permanent magnet Insulation System: Class H Exciter System: None It will extremely ease you to look guide Onan 7500 Quiet Diesel Generator Manual Troubleshooting as you such as. 7500 Quiet Diesel Control Board: Repair: Call for price: ONAN 0300-5961: Control Module: Repair . Here's what I've tried so far: Terry, Thanks, I did remove the top cover and could not see the back side of the 12V terminal connections (to check for corrosion) due to access restictions. Your RV may be low on gas which would interrupt the fuel supply and again, overheat your generator. Mod: 7.5HDKAJ11451F S/N: K990 017304 in 2000 Beaver motorhome I recently had ans issue where it wouldn't crank at all so I took the front cover off and noticed a broken wire. Notice that #33 is not listed there nor is #44. There are a lot of reasons to travel on your own. around 4 pm and looks like it didn't take. On the other hand, you have to use the right oil and never use old oil to keep the generator from clogging up. You are using an out of date browser. 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. Below are some tips and tricks for diagnosing and repairing your Cummins RV generator. Trademark Office. Here are some of the things you can check on your own. For a better experience, please enable JavaScript in your browser before proceeding. $ 12.00 Add to cart. Onan warranties depend on the application. Look for the J Box that connects the generator output to the feed going to the transfer switch. If none of the above solutions work and you arent great at DIY projects, it might be time to seek out a repair person. two people - 1 to run the drill & 1 to run right angle head through sensor mounting hole. Will try that test. That shut down occurs when the generator is overheating. on your generator for the group ? 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. It may not display this or other websites correctly. If youre running it nearly all day every day, that means youve blown through the warranty in a year. Take the part you got removed and use it for size up. That is aside from the fact that Onan generators are often built into the RV by the manufacturer. For sale used Onan 7.5 Quiet Diesel generator. Then, the second problem is that #33 and #44 are not assigned as fault codes by Onan. Another is the low oil cut-off. Why not dive right in and get that nifty gadget up and running once again? May also be under voltage if that happens. Compatibility Guide. Finally, many newer models of Onan diesel RV generators also have fault codes that appear on the display of the unit. However, the brand has been picked up by Cummins. 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. Onan 7500 Generator in my motorhome was shutting down about every minute or so and showing a fault code of 1 blink indicating an over temperature condition. This allows you to conserve gasoline when youre away from civilization. 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. I done it completely by myself and although it was a little time consuming (about 5 hours start to finish) I was able to successfully make the repairs and reinstall it back in the RV and fire it right up. It may not display this or other websites correctly. Next, you need to be aware that the last blinking fault code will continue to blink for a time even after the problem has been corrected. Dont put old gas or watery gas in your generator. I did see a another smaller fuse holder in the wiring behind the circuit breaker but have not checked it yet. Do not use this link to ask for help with RV-related issues; Ask those questions in one of our forums. These rules may allow you to run your generator later at night in RV parks with noise limits, too, but you should know their rules rather than assuming youre already compliant. When the Onan generator starts to get hot, the machine will turn itself off and flash a code that no-one knows anything about unless you go to an Onan-approved mechanic. 7500 onan quiet diesel in a '98 American Eagle. It displays an error code 46 which the manual says is low voltage. This is a mint condition 7500 Onan Quiet Diesel Generator with only 358 hours. Central Virginia gumpy Some Assembly Required Hero Member Do you know what that means? This sensor is very difficult to remove and replace due to its location and the fact that it is made with a soft brass housing. Fortunately, the #33 code seems to be the standard overheat warning for all Onan generators including this model. If I jumped the solenoid it started righ up. JavaScript is disabled. Wish I had enough picture attachment space left for a sight you do not want to see under the J Box cover. I have an onan 7500 quiet diesel generator that cranks but wont start. Service levels vary between mechanics and RV shops. ), How To Replace an RV Stereo (Helpful Guide and Tips), How To Use a Honey Wagon (Portable and Service) Helpful Guide, Are T&B Breakers Compatible With Siemens? The Onan generators three year limited warranty is when it is in the RV and only powering the RV. Thats why you now see products listed as Cummins Onan or Cummins part number Onan. Weve found that PPL Motorhomes is a great place to go for these. ). The breaker on the gen. had two legs one part obviously bad hence my original lack of power to the rear a/c. 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. Then, the ECM system which heats the glow plugs that help the engine to start, may not be heating those glow plugs. Allow the generator to run for 15 minutes, to ensure that the code has cleared. So you should get back one side of your 120 volt AC. A good prestart checklist begins with extending the generator slide and removing the side access cover. 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. Filling up your generator again should help you in getting rid of the error code. Every other time (every four years) we also replace the thermostat. Make sure to try these things before paying a professional, as this could save you quite a bit of money. If your generator is built into your RV, there is usually a fuel supply line to help run the unit. There is a small fuse under the circuit breaker panel that protects the DC field circuit and the rectifier circuit for the voltage regulator circuit. (Note: On the 6-kilowatt and 8-kilowatt Cummins Onan QD generators, the oil is checked via the dipstick near the stop/start switch.) 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. When that happens all it is telling you is that the heat sensor is going bad and you will need to replace it. After that, you will have to check the sensor. Could you post the Model number and the number of Hrs. 2. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and won't start. Blink and pause. 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) I enjoy life as much as I can and love to visit beautiful places in my RV. If you put an RV generator in your shed and use it as a backup power source, it will then have the two year non-RV warranty in place if it applies at all. Onan has made a number of design changes that simplify maintenance. This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. Find out what the warranty will be from the supplier. This is a 7.5 kVA Onan generator powered. So after some research I determined it was the coolant sensor was bad. If you have not ever replaced it I would recommend doing it. You can avoid problems by making sure the oil tank is full. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and won't start. Total:2,457 (members:14, guests:2,443), Elkhart Lake, WI for the summer. Look for a pig-tale from the generator. Often, this tube is not quite long enough to pull fuel through once the tank is below tank. 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. Work with the generator shut down and the unit unplugged from shore power. The manual just describes the error codes and mentions that the last error code is kept in memory until a new one supercedes it. They often sell generators in portable shells that protect them while muffling the sounds it makes. 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. When you do not understand the code, have a list of codes ready to help you. Sometimes a generator simply cannot be repaired, or cant be fixed for a reasonable price anyway. For example, some Onan generators can run off both gasoline and liquid propane. Location: Havertown, United States. Running for awhile then shutting off sounds like it could be the fuel filter. Did they show you how to clear the code? Know where you would access the carburetor if you need to clean it and where you access other points required for maintenance. Just because they can work with other brands doesnt mean they know how to repair Onan Cummins generators. Should State Residents Get 1st Shot At State Run Campground Reservations. Therefore, we recommend that those needing a more affordable solution look for used Onan RV generators for sale. They loosen up at times and can ark or burn off the wire that was or still is connected at that point. In the future, top off your RV gas tank so that it never runs low. In these cases, purchasing a replacement generator is the best course of action. 7500 onan quiet diesel in a '98 American Eagle. Here are some of the things you can check on your own. Then check the engine oil level and look quickly for anything out of place, such as fuel or coolant leaks. This means that there is another problem with the generator. See Your Onan Distributor: Cummins Power Generation 1400 73rd Avenue N.E. Rated 5.00 out of 5. We used the Generator about 75 hours with no issues. The best way to maintain that performance is by using genuine parts. So it didn't take me too long to decide to do some research and tear into it myself. You are using an out of date browser. Quick replacement of my 7.5K diesel genset glow plugs.Glow plugs I used from eBay.http://www.ebay.com/itm/321525063720?_trksid=p2057872.m2749.l2649&ssPageN. (Safety Guide). 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. Then while the gen. was running I turned the 35amp circuit breaker at the gen. off and now it will not reset! 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. Mine is an HDKAK so it is a little different. For a better experience, please enable JavaScript in your browser before proceeding. This makes troubleshooting a little bit more difficult. The solenoid pulled in the starter contacts and the engine cranked. If you are not sure what all the fault codes mean or have lost the owners manual, etc., then click onOnan Generator fault codes. Too many to post here. Buy It Now. The reason for that omission is that the problem is an uncontrolled shutdown. I takes very little to stop it up. Your batteries are most likely having trouble trying to kick start the generator. hdkaj 11451d with only 610 hours. . Read the post on this link and see if some of the information is close to what you have. Steve F. RVIA Certification. Price: $3,750.00 For sale used Onan 7.5 Quiet Diesel generator. Honda EU2000i Oil Type and Capacity: How Much Oil Do I Need? The error code usually refers to either one of these things. These generators are some of the best on the market, and having a good generator makes camping comfortable and fun no matter where you may roam. 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. Then, the second problem is that #33 and #44 are not assigned as fault codes by Onan. 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. That is 60 decibels of noise or less at a distance of fifty feet. Note that you can really run into problems if the gas tank float is off, so the generator turns off though you have a half-full tank. It is a simple way to communicate with the owner of the generator. I didn't bypass the solenoid .I pulled the normal signal wire off the solenoid spade and connected momentarily an external battery to the solenoid spade. It's a 7.5hdkaj11451g. And consider carrying extra propane tanks in addition to gas cans. I changed the oil in the generator prior to a cross country trip in January. Does anyone know what the governor actuator does and will that prevent an engine crank? First, that is not a governor actuator, it is a fuel shut off solenoid. This is why we present the ebook compilations in this website. Generator Control Board: Repair: Call for price: ONAN 300-2812 REV C: 24 Volt Engine Control Card . Do you mean the breaker will not stay in the on position or you just do not get a voltage when its reset? You must log in or register to reply here. 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? 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? There are 965 hours on generator. For example, issues that make a generator run rough could be deal with temporarily, but the long-term damage will destroy the generator. I've checked all of the fuses (3-underneath the inspection panel) and fuses at the battery relays. If that doesnt work, there is always a trusted mechanic waiting to help. 500 lbs . However, those are not always easy to replace and can be expensive. If the code still exists, the generator may be in need of further repair. Has to pull in for the engine to start. I installed a new breaker this morning and what do you know we have power! Onan is one of the top selling generator brands in the United States. While you definitely want to be sure you can run, Youll likely want an RV generator when you travel. But the message will not be received if the owner does not understand the blink and pause system. For example, you can find units that can power one or two air conditioners. it has the information you need to make the correct diagnosis. Went from California to the Keyes down I 10 back I 40. The first step in fixing Onan RV generators is troubleshooting. Gather your family and. Onan 7500 Quiet Diesel Generator Manual Troubleshooting When people should go to the books stores, search inauguration by shop, shelf by shelf, it is in point of fact problematic. 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 my own or will it require dealer service? Sent all this info Sat. Onan is relying on network of contracted dealers to provide service for most of their RV generators. -Glenn. $6,436.95. This makes using quality consumables. Replacing it may be your only solution. Were you able to do the test that I listed in my previous post? Unfortunately, error codes are not always using the best method to communicate what is wrong. Please review all product specs prior to purchase." For Additional Models - Please Call Us @ 1-800-800-3317 Flashing code 29 after mobile repair tech saturated it with batterie charger hooked up to terminals on back of generatot . This is my 2004 38N Fleetwood Bounder with quiet diesel Onan generator. A faulty inverter module is another possibility (expensve! Always know where the circuit breakers and other electrical panels are so that you can reset or repair things as necessary. If your Onan generator isnt running, it may be because fuel levels are too low. Especially if the unit is still under warranty. I tested the input at the automatic transfer switch and found power coming in on leg 2 but not leg 1 with gen. running. Model 7.5HDKAJ11451H S/N G020388776. Only cost $100, much less than I was anticipating. If it looks contaminated, it is most likely that the oil quality is the reason behind the Onan generator won't start. I have a 7500 Onan diesel generator that runs for a minute and shuts down with a high coolant temperature fault code, but the coolant level is good and nothing feels hot, just warm. That can be a problem when you see the 33 error code flashing. They can also be picked up from junkyards where RVs have been discarded. For sale used Onan 7.5 Quiet Diesel generator. It displays an error code 46 which the manual says is low voltage. http://community.fmca.com/topic/5332-onan-10hdkag-61731x-generator-has-low-voltage/.
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