Sent all this info Sat. This makes using quality consumables. (Safety Guide). Privacy Policy That said, purchasing used Onan RV generator parts from eBay is a great way to save some money, making it the ideal solution for those on a budget. 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. And know that the generator will shut down if the gas gauge is around one quarter. Again, look to wiring connections. ), 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 7500 Quiet Diesel generator uses an Inverter/Control Board that monitors almost all your generator electronics. For example, the Onan 4K generator doesnt have an oil filter. What if you dont have the manual? 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. Did they show you how to clear the code? Know how to sustain, maintain and repair common issues with the generator to minimize trips to the mechanic and maximize the running life of the most important equipment in the RV aside from the car motor. For sale used Onan 7.5 Quiet Diesel generator. When you do not understand the code, have a list of codes ready to help you. In these cases, purchasing a replacement generator is the best course of action. Mine is an HDKAK so it is a little different. Replace your old failing generator in your RV or use as a backup power source on the farm/ranch. Instead, it flashes codes to indicate the problem. Onan is one of the top selling generator brands in the United States. Do you need extra air conditioning in your RV to stay comfortable? - 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. Weve found that PPL Motorhomes is a great place to go for these. Condition: New - Open box. My original problem was that the rear A/C was not working on the generator, but was working on shore power. 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. it has the information you need to make the correct diagnosis. Here's the general procedure for. 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. If your able to bypass the solenoid and get the engine to crank the issue is with the solenoid or the wires going to it. However, those are not always easy to replace and can be expensive. It will extremely ease you to look guide Onan 7500 Quiet Diesel Generator Manual Troubleshooting as you such as. Rich thanks so much for the help, these forums are worth real money. 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. 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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. This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. remove t-stat from top of engine & remove coolant below sensor hole. Often, this tube is not quite long enough to pull fuel through once the tank is below tank. If the generator is cutting off, check the oil levels. For a better experience, please enable JavaScript in your browser before proceeding. Can you post a picture and your complete model and serial number? Finally, many newer models of Onan diesel RV generators also have fault codes that appear on the display of the unit. Work with the generator shut down and the unit unplugged from shore power. You may need to use those products like WD-40, Deep Creep, and more to get those sensors unstuck. 5 years RV repair and reconstruction, Fleetwood RV Training course completion. If you have not ever replaced it I would recommend doing it. Bad battery with a cell going open under load is another possibility. The generator is a 7500 quiet diesel model no. Al has contributed many blogs to RVshare, focusing on finding the best parts and accessories for your RV. 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. Only cost $100, much less than I was anticipating. There is no process to clear an error code, you just have to solve the problem and it will not display again. While there can be several causes for this condition, the most frequent cause is a failed temperature sensor. I have this same Onan generator in my bus. 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. Onan 7500 Diesel problem. The driven 12v solenoid wire had vibrated out of its connector crimp. To prevent this from happening, run the generator dry, or you make it a practice to add fuel stabilizer. 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. 169.95. Make sure all of your connections are clean. The error code usually refers to either one of these things. I have owned the unit for 18 months and have been religious about exercising the gen. because it only had 400 hours on it when I bought the Eagle. Onan provides you with fault codes to help you troubleshoot your system, but some fault codes are easier to understand than others when it comes to fixing the problem or in this case "clearing the code!" I takes very little to stop it up. If your generator is built into your RV, there is usually a fuel supply line to help run the unit. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and 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. Copyright 2022 RVshare.com If this is your problem, you will find this video most helpful. When that happens all it is telling you is that the heat sensor is going bad and you will need to replace it. 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. Here are some of the things you can check on your own. You can avoid problems by making sure the oil tank is full. One of the causes for this code is that the overheat sensor may be malfunctioning. Total:2,457 (members:14, guests:2,443), Elkhart Lake, WI for the summer. 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. 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. 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 ----------. 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. It was taken out of our motorhome. Gunny is correct. They often sell generators in portable shells that protect them while muffling the sounds it makes. Onan generators are often powerful. Proper communication is essential when you have a mechanical failure. A good prestart checklist begins with extending the generator slide and removing the side access cover. While the Onan RV generators are an industry standard, not all service providers can and will have replacement parts in stock. If these two solutions do not help you should start troubleshooting other problems. I suggest you call Onan (Cummins) tomorrow and talk to their tech people. 7500 onan quiet diesel in a '98 American Eagle. Replacing the fuel filter on gas and diesel generators is a bit of a chore and requires few tools, first you need to clamp the fuel . Allow the generator to run for 15 minutes, to ensure that the code has cleared. When the water pump belt broke, the Onan service center installed the direct drive coupling kit. For example, switch to propane if the gas tank is getting low. Hope this helps someone out, I couldn't find any videos on this particular repair. Running for awhile then shutting off sounds like it could be the fuel filter. Whether youre considering a "workaction", or wa, A road trip with friends is a fun way to explore i, Another incredible year of memories, travels, and, Happy New Year! Then you need to move on to the oil and fuel supplies to make sure they are clear and full. All 120v items are working fine with more that one hour of running every appliance simultaneously. The first step in fixing Onan RV generators is troubleshooting. In most cases, your Onan generator is USDA Forest Service Approved. The inverter in the Onan 7500 relies on DC power produced by the diesel engine plus DC generator, and inadequate power there can cause the inverter to malfunction, making power that is not the 60 Hz frequency it should be. The starter solenoid has 2 big battery lugs and one spade terminal for solenoid. Too many to post here. It is a simple way to communicate with the owner of the generator. 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. My generator decided not to crank the starter motor. Generator Detail Design: Onan, permanent magnet Insulation System: Class H Exciter System: None 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. Check the starter solenoid with an ohm meter. It may not display this or other websites correctly. My original problem was that the rear A/C was not working on the generator, but was working on shore power. Work at Road Amer. How many ohms would I expect. Thats why you now see products listed as Cummins Onan or Cummins part number Onan. High temp code, however the coolant was cool as a cucumber when I checked it after several restarts and shutdowns. I changed the oil in the generator prior to a cross country trip in January. The owners manual is of no help at this point. Following a fault shutdown, the indicator light will repeatedly blink 1, 2 or 3 blinks at a time. 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. 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. 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. It also means that an oil leak in the generator can kill it well before the unit suffers damage. Will try that test. I did see a another smaller fuse holder in the wiring behind the circuit breaker but have not checked it yet. That seems to be normal for Onan generators. Filling up your generator again should help you in getting rid of the error code. That is 60 decibels of noise or less at a distance of fifty feet. Begin by checking the fuel level. I can't imagine it only happening to our Vectra. There are several pages of secondary fault codes listed. I took the unit out and have it in my garage. . I'm assuming there is a bad circuit board and that I'll need to take it to an Onan dealer. 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. Could you post the Model number and the number of Hrs. This kit contains all Fleetguard OEM required hard parts to perform generator maintenance for Quiet Diesel 7500 Auxiliary Power Unit Generator AF27906 (1) Fleetguard Air Filter, Replaces Cummins Onan 140-2897 / LF3591 (1) Fleetguard Lube Spin-On, Replaces Cummins Onan 122-0833 / FF236 (1) Fleetguard Fuel Filter, Replaces Cummins Onan 149-2513 They can self-diagnose issues. This unit powered an American Eagle 40 foot RV/bus type. There was no damage to the inside, only some external wires were melted, they were replaced. Central Virginia gumpy Some Assembly Required Hero Member If it looks contaminated, it is most likely that the oil quality is the reason behind the Onan generator won't start. Below are some tips and tricks for diagnosing and repairing your Cummins RV generator. Other places to look include Craigslist and your local Facebook Marketplace, both of which occasionally have Onan RV generators for sale. Only use high quality gas, though this doesnt mean you have to use premium gasoline. You will be able to leave a comment after signing in. However, it wont tell you outright it thinks the oil is low. I enjoy life as much as I can and love to visit beautiful places in my RV. Hello, we have an Onan Quiet Diesel 7500 generator in a motorhome. Special sound-controlling housing encloses cooling system and muffler. 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. 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? Hopefully this will solve this issue. Take the part you got removed and use it for size up. GC2-XHD-UTL Replacement: Is The Interstate GC2-XHD-UTL Good? 7500 Onan Quiet Diesel Temp sensor, thermostat, glow plug, replace/repair jeffbond001 28 subscribers Subscribe 17K views 2 years ago This is my 2004 38N Fleetwood Bounder with quiet. The best way to maintain that performance is by using genuine parts. Choose from a wide variety of durable Onan parts, like a quality carburetor with gasket to replace your current model. This means you should turn on the RV generator before you turn on the roof-top AC to avoid tripping electrical safeties. This also means youll get extra mileage out of the generator if you use a good fuel injector cleaner periodically. Notice that #33 is not listed there nor is #44. I went ahead and changed the fuel filter and air filter hoping for an easy fix but the same problem exists. You must log in or register to reply here. 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. With a bit of digging, you should be able to find a decent deal, so you can fully enjoy camping once again. Location: Havertown, United States. That would be a big mistake. Then while the gen. was running I turned the 35amp circuit breaker at the gen. off and now it will not reset! Here are some of the things you can check on your own. -Glenn. 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. Total:2,457 ( members:14, guests:2,443 ), Elkhart Lake, WI for help... I suggest you call Onan ( Cummins ) tomorrow and talk to their people! Generator will shut down and the number of Hrs, both of occasionally... Signing in years RV repair and reconstruction, Fleetwood RV Training course completion RV. 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