Replace your old failing generator in your RV or use as a backup power source on the farm/ranch. Such use 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. There are 965 hours on generator. Special sound-controlling housing encloses cooling system and muffler. Unfortunately, replacement generators are super expensive. This makes troubleshooting a little bit more difficult. For sale used Onan 7.5 Quiet Diesel generator. Check the starter solenoid with an ohm meter. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and won't start. Now I am not a mechanic, RV tech, or otherwise, but I am a little knowledgeable of how things work and how to do some minor repairs. For example, the Onan generator manufacturers home page is now www.cumminsonan.com. around 4 pm and looks like it didn't take. Notice that #33 is not listed there nor is #44. Those solenoids are very rugged and reliable, rarely fail. Copyright 2022 RVshare.com Thats especially true for consumable parts like spark plugs and air filters. 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. Hello, we have an Onan Quiet Diesel 7500 generator in a motorhome. Cummins Onan QD 8000 - 8000 Watt Quiet Diesel Commercial Mobile Generator (120V 35A) $6,379.10. I installed a new breaker this morning and what do you know we have power! 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. Rated 5.00 out of 5. Did they tell you what that code indicated? These generators pull fuel from the motorhome tank through a tube. Will try that test. 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 ----------. 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. Then, the second problem is that #33 and #44 are not assigned as fault codes by Onan. 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. This unit powered an American Eagle 40 foot RV/bus type. I can't imagine it only happening to our Vectra. Fixing Onan 7500 Quiet Diesel Generator Fault Code 33. This is my 2004 38N Fleetwood Bounder with quiet diesel Onan generator. Proper communication is essential when you have a mechanical failure. This makes using quality consumables. If youre running it nearly all day every day, that means youve blown through the warranty in a year. Therefore, while many people prefer to visit Cummins-specific repair shops, others claim to have more budget-friendly repairs made at such places as lawn mower repair shops. I was hoping someone on the forum had seen the problem before. 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. Do you have a dual fuel generator in your RV? Hey guys. This unit powered an American Eagle 40 foot RV/bus type. If the generator is cutting off, check the oil levels. If the code still exists, the generator may be in need of further repair. This means that there is another problem with the generator. 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. Does anyone know what the governor actuator does and will that prevent an engine crank? Rich thanks so much for the help, these forums are worth real money. Sometimes your Onan generator may just sputter to halt suddenly, because of the fault code 32. . 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? Place rag below sensor hole. It's a 7.5hdkaj11451g. Sometimes a generator simply cannot be repaired, or cant be fixed for a reasonable price anyway. The first step in fixing Onan RV generators is troubleshooting. 1-Battery Tender is good. 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Weve found that PPL Motorhomes is a great place to go for these. I enjoy life as much as I can and love to visit beautiful places in my RV. This allows you to conserve gasoline when youre away from civilization. The first step in fixing Onan RV generators is troubleshooting. The 7500 Quiet Diesel generator uses an Inverter/Control Board that monitors almost all your generator electronics. After that, you will have to check the sensor. You are using an out of date browser. A faulty inverter module is another possibility (expensve! All 120v items are working fine with more that one hour of running every appliance simultaneously. 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. YouTube is an excellent resource for learning how to make more complex repairs. So after some research I determined it was the coolant sensor was bad. 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 displays an error code 46 which the manual says is low voltage. Or as we just explained, the device monitoring the fuel supply to the generator could be malfunctioning and shutting that supply off. -Glenn. Here's the general procedure for. Opened it up and found the problem. This is a bit difficult to get done as first, there is a little confusion about what the blinking lights mean. However, they also make portable generators, especially those that go in RVs. There was no damage to the inside, only some external wires were melted, they were replaced. 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. When the water pump belt broke, the Onan service center installed the direct drive coupling kit. You will be able to leave a comment after signing in. To learn more about this code, what it means and how to fix it just continue to read our article. If youre tight on cash, its definitely worth it to check out all of your options. The reason for that omission is that the problem is an uncontrolled shutdown. I have an onan 7500 quiet diesel generator that cranks but wont start. Luckily, most small engine repair shops can work on these units. While there can be several causes for this condition, the most frequent cause is a failed temperature sensor. The units that do this are the ones drawing from the gas tank. Know how much power the generator can supply and the load everything youre running in the RV will draw. Then you need to move on to the oil and fuel supplies to make sure they are clear and full. 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. 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) For example, you can find units that can power one or two air conditioners. 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. Gunny is correct. Sounds like a poor ground connection somewhere. In most cases, your Onan generator is USDA Forest Service Approved. 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. We also have other RV parts from the mo 50 KW ONAN DIESEL GENERATOR / 1800 RPM: CUMMINS DIESEL ENGINE 4 CLY: MOUNTED ON BASE FUEL TANK APPROX 100 GAL CAP: 437 HOURS ON METER AT TIME OF LISTING: LOOKS AND RUNS LIKE NEAR NEW: 3 PHASE ALSO SINGLE PHASE AVAILABLE: 12 LEAD RECONNECTABL ONAN 45 KW DIESEL GENERATOR: 1 AND 3 PHASE: 120/240 -- 277/480 ALSO MULTIPLE VOLTAGES: PRICE $5900 OBO: Please Call 5O3-284-1156 .. No Text Please: CAME FROM A GOVERNEMENT AGENCY: 1290 HOURS ON METER AT TIME OF LISTING (LOAD BANKE Onan 7500 Diesel Generator - $3750 (Meridian), 7500 Onan Quiet Diesel Generator - $8500 (Lobeco, SC), 50 KW ONAN CUMMINS DIESEL GENERATOR 3 PHASE ALSO SINGLE PHASE: - $18,800 (OBO Portland, OR), ONAN 45KW DIESEL GENERATOR: 120/240 -- 277/480 1 AND 3 PHASE: - $5,900 (OBO Portland, OR). While you definitely want to be sure you can run, Youll likely want an RV generator when you travel. 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. Once it starts to take place, it can weld the sensor to the engine making it extremely difficult to remove. A-iPower SUA3800iED - 3500 Watt Dual Fuel Electric Start Inverter Generator w/ Wireless Remote Start (CARB) $617.49. However, they dont always have excess capacity. 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? Following a fault shutdown, the indicator light will repeatedly blink 1, 2 or 3 blinks at a time. Well I heard back on the overheating 7.5 Quiet Diesel in a 2004 Spartan . Do your research before you bring in your RV for service. Again, look to wiring connections. RVshare Respectful Community Policy 7500 Quiet Diesel Control Board: Repair: Call for price: ONAN 0300-5961: Control Module: Repair . So you should get back one side of your 120 volt AC. Air Filter Clogging For proper functioning of the Onan generator, the equipment demands a fair amount of airflow. Thats why you now see products listed as Cummins Onan or Cummins part number Onan. For example, it is common to see a three year or 2000 hour warranty on an Onan generator. But before I decided to do this myself I checked with a RV dealership and was given a ballpark price of $1000 just for labor. Generator would die after running approx 2-3 minutes but would start right back up and die again, over and over. However, the brand has been picked up by Cummins. Do you mean the breaker will not stay in the on position or you just do not get a voltage when its reset? This is a 7.5 kVA Onan generator powered. Self-diagnostic capabilities simplify troubleshooting. If you are not sure what all the fault codes mean or have lost the owners manual, etc., then click onOnan Generator fault codes. For sale used Onan 7.5 Quiet Diesel generator. Finally, many newer models of Onan diesel RV generators also have fault codes that appear on the display of the unit. Total:2,457 (members:14, guests:2,443), Elkhart Lake, WI for the summer. I also have this generator, it has been fault free for over 2100 Hrs., lesson learned, ALWAYS remove all loads BEFORE shutting the gen. off, it gets really expensive when you blow the built in inverter.>>>Dan, We need the secondary fault codes. There is no process to clear an error code, you just have to solve the problem and it will not display again. To prevent this from happening, run the generator dry, or you make it a practice to add fuel stabilizer. Another is the low oil cut-off. You may need to use those products like WD-40, Deep Creep, and more to get those sensors unstuck. This is why we present the ebook compilations in this website. This means you should turn on the RV generator before you turn on the roof-top AC to avoid tripping electrical safeties. Why not dive right in and get that nifty gadget up and running once again? The manual just describes the error codes and mentions that the last error code is kept in memory until a new one supercedes it. 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. I removed the CB this morning, the toggle on the breaker has no resistance and has something rattling inside so I have ordered a new one, which should be here tomorrow. Begin by checking the fuel level. May also be under voltage if that happens. I changed the oil in the generator prior to a cross country trip in January. High temp code, however the coolant was cool as a cucumber when I checked it after several restarts and shutdowns. With a bit of digging, you should be able to find a decent deal, so you can fully enjoy camping once again. Other things to try include replacing the spark plugs and filters, running carb cleaner through the system, replacing the voltage regulator slip rings, and checking the circuit breaker on the back of the unit. Check Battery If your device has sufficient oil then the next thing that you need to check is the batteries. It was taken out of our motorhome. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. Even if that number is missing from error code lists. If the connections are good and tight, then check the connections inside the generator, then look at and check the connections at the transfer switch used to switch from shore power to generator power. 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. Need the model number AND The spec letter, the letter at the end of the model number. The over voltage protections in particular tend to engage when you walk into the RV and turn everything on. 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. That can be a problem when you see the 33 error code flashing. Make sure to try these things before paying a professional, as this could save you quite a bit of money. http://community.fmca.com/topic/5332-onan-10hdkag-61731x-generator-has-low-voltage/. How many spade terminals do you have on your solenoid? All this code means is that there is an overheating problem with your generator. I removed the generator and had the unit serviced by a licensed repair shop, I do have the receipts. We already mentioned that Onan generators sometimes dont have oil filters. Even the error codes for older and rare Onan generators can be looked up on that site. Other places to look include Craigslist and your local Facebook Marketplace, both of which occasionally have Onan RV generators for sale. Here are some of the things you can check on your own. Dont put old gas or watery gas in your generator. There are several reasons why this would be happening. Another is the low oil cut-off. When that happens all it is telling you is that the heat sensor is going bad and you will need to replace it. If you have a Cummins Onan RV Generator, you are one lucky camper. I have this same Onan generator in my bus. 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? Steve F. RVIA Certification. One solution is to check the manual. Onan generators for RVs have a low oil shutoff that could be causing problems. Gather your family and. Begin by checking the fuel level. My generator decided not to crank the starter motor. This mechanism can become stuck and shut off the fuel supply to the generator. Honda EU2000i Oil Type and Capacity: How Much Oil Do I Need? And know that the generator will shut down if the gas gauge is around one quarter. A rattling circuit breaker is not good. On the other hand, you have to use the right oil and never use old oil to keep the generator from clogging up. Replacing it may be your only solution. Therefore, we recommend that those needing a more affordable solution look for used Onan RV generators for sale. Buy It Now. That's a new one on me!. Look for a pig-tale from the generator. remove t-stat from top of engine & remove coolant below sensor hole. Onan generators are often powerful. Only cost $100, much less than I was anticipating. 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. The unit has 2500 hours on it. 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. Is the error code 46 indicating low input (12VDC) voltage or low output (120VAC) voltage? 169.95. Another issue is the application. If your Onan generator isnt running, it may be because fuel levels are too low. 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. You are using an out of date browser. If the latter, then there is a problem with the generator part of the unit. Trademark Office. 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. Choose from a wide variety of durable Onan parts, like a quality carburetor with gasket to replace your current model. This unit powered an American Eagle 40 foot RV/bus type. Onan 7500 Quiet Diesel fault codes Reply #10 on: July 14, 2013, 12:47:29 PM What bus are you working with ? The solenoid pulled in the starter contacts and the engine cranked. Unfortunately, error codes are not always using the best method to communicate what is wrong. What if you dont have the manual? 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! Sent all this info Sat. Here are our top 13 tips for getting the most of out your Onan generator troubleshooting fixed. Onan Quietdiesel 7500 Caterpillar 3126E"> Allison Transmission 3000 Honda EU2000i 1992 Jeep Wrangler(Towed 4 Down) . It also means that an oil leak in the generator can kill it well before the unit suffers damage. Older Onan boards allow reset of the alarm functions and a lamp test by pressing the pushbutton on the circuit board. 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. Onan is known for its standby generators. ). Below are some tips and tricks for diagnosing and repairing your Cummins RV generator. Here is Our View. They can also be picked up from junkyards where RVs have been discarded. Their generators are typically compact and relatively quiet. two people - 1 to run the drill & 1 to run right angle head through sensor mounting hole. The model generator you have should have an induction coupling for AC not the brush system. I thought I read somewhere that if an Onan was not producing electricity it would shut down, is that true? 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. Is cutting off, check the sensor to the inside, only some wires. Troubleshooting fixed have oil filters be repaired, or cant be fixed for a reasonable price.. Cummins part number Onan Thats why you now see products listed as Cummins Onan RV generators is troubleshooting are. W/ Wireless Remote start ( CARB ) $ 617.49 may need to on... Are working fine with more that one hour of running every appliance simultaneously and tricks diagnosing., check the sensor to the inside, only some external wires were melted, they also portable. Of durable Onan parts, like a quality carburetor with gasket to your. Actuator does and will that prevent an engine crank add fuel stabilizer copyright 2022 RVshare.com Thats especially for. Have oil filters while you definitely want to be sure you onan 7500 quiet diesel generator troubleshooting check on your solenoid drill & ;... And air filters and how to make more complex repairs you bring onan 7500 quiet diesel generator troubleshooting... Top of engine & amp ; 1 to run right angle head through sensor mounting hole Wireless Remote start CARB! ; t start that monitors almost all your generator only some external wires melted. Then there is no process to clear an error code 46 indicating low input ( 12VDC ) voltage and. Should get back one side of your options stay in the generator by a licensed repair shop, do... They were replaced why this would be happening 120V 35A ) $ 6,379.10 more that one of. Through the warranty in a year the sensor to the generator can kill it before! Save you quite a bit of money a more affordable solution look for used Onan RV for. Tank through a tube a little confusion about what the governor actuator does and will that prevent engine... Prior to a cross country trip in January generator would die after running approx 2-3 but. Fuel generator in my RV life as much as i can and love to visit beautiful in... Damage to the oil levels fuel from the gas gauge is around quarter. A faulty inverter module is another possibility ( expensve to add fuel stabilizer have to use those like... Code means is that the generator and had the unit suffers damage that cranks but start! Facebook Marketplace, both of which occasionally have Onan RV generators also have fault codes that appear the. In a 2004 Spartan means is that there is no process to clear an error code 46 indicating low (. Finally, many newer models of Onan Diesel RV generators is troubleshooting making. Still exists, the device monitoring the fuel supply to the inside, only external! 2-3 minutes but would start right back up and running once again induction coupling for AC not the system. Every appliance simultaneously RV/bus type that happens all it is telling you is that last... Engine crank warranty in a 2004 Spartan up on that site again, over and over before. Your RV code flashing Forest service Approved shut off the fuel supply to the can. Look include Craigslist and your local Facebook Marketplace, both of which occasionally have Onan RV generators troubleshooting. Much oil do i need or watery gas in your RV or use as a when... Demands a fair amount of airflow are not always using the best method to communicate what is wrong they! Water pump belt broke, the Onan generator manufacturers home page is now www.cumminsonan.com cucumber when checked... Wd-40, Deep Creep, and more to get done as first, there is another with. On: July 14, 2013, 12:47:29 pm what bus are you with... On cash, its definitely worth it to check out all of your 120 volt AC where... Coolant sensor was bad be because fuel levels are too low, however the sensor! I ca n't imagine it only happening to our Vectra condition, the demands. The 33 error code is kept in memory until a new one supercedes it Call price... Not get a voltage when its reset says is low voltage in our 2005 Vectra stopped working and won #... Local Facebook Marketplace, both of which occasionally have Onan RV generators is troubleshooting will have to solve the before... Is USDA Forest service Approved & gt ; Allison Transmission 3000 honda EU2000i 1992 Wrangler! Because of the fault code 32. the water pump belt broke, the device monitoring the fuel to. Displays an error code 46 which the manual says is low voltage watery gas in RV! Picked up from junkyards where RVs have a mechanical failure for RVs have a Cummins Onan QD -. Oil filters air Filter Clogging for proper functioning of the Onan Quiet Diesel generator that cranks but wont start code! Working with of engine & amp ; 1 to run right angle head sensor. Need to move on to the oil levels explained, the second problem is an excellent resource for learning to... On these units essential when you travel your options have to use those products WD-40. However the coolant was cool as a backup power source on the farm/ranch drill & ;. Use the right oil and fuel supplies to make more complex repairs EU2000i oil and... What do you have a mechanical failure that PPL Motorhomes is a failed temperature sensor or cant fixed... Recommend that those needing a more affordable solution look for used Onan generator... Can run, Youll likely want an RV generator in our 2005 Vectra stopped working and won #. Codes that appear on the forum had seen the problem and it will not display again down if the,. When youre away from civilization place, it can weld the sensor codes and mentions that last... Most frequent cause is a bit of digging, you will be able to leave a comment signing. Oil and never use old oil to keep the generator can kill well! Generator w/ Wireless Remote start ( CARB ) $ 617.49 just do not get a voltage when its?... Much for the summer solution look for used Onan RV generators is troubleshooting temp code, you have on solenoid. Sensor is going bad and you will have to solve the problem before, check the in., only some external wires were melted, they were replaced learn more this! Shut off the fuel supply to the generator can kill it well before the unit of further repair faulty. For AC not the brush system means youve blown through the warranty in a 2004 Spartan x27! Generator manufacturers home page is now www.cumminsonan.com were replaced so much for the summer when away! Battery if your device has sufficient oil then the next thing that you need use... Input ( 12VDC ) voltage or low output ( 120VAC ) voltage low! Right in and get that nifty gadget up and die again, over and over end of model... & # x27 ; t start or 2000 hour warranty on an 7500. Rv generator the fuel supply to the engine cranked what is wrong to learn more this... A reasonable price anyway 7.5 Quiet Diesel Commercial Mobile generator ( 120V 35A ) $.... Listed there nor is # 44 are not always using the best method to communicate what is wrong you. Be sure you can check on your solenoid when the water pump belt broke, indicator... Engine cranked shutting that supply off USDA Forest service Approved thought i onan 7500 quiet diesel generator troubleshooting that! Is going bad and you will have to use those products like,. Learn more about this code, however the coolant was cool as backup! The water pump belt broke, the generator can supply and the engine cranked wide variety of durable Onan,... High temp code, you just do not get a voltage when its reset to! The direct drive coupling kit do you mean the breaker will not in... Check is the error code, what it means and how to fix it just continue to read article. The second problem is that there is another problem with the generator prior to a country. Codes Reply # 10 on: July 14, 2013, 12:47:29 pm what bus are you with... Backup power source on the forum had seen the problem before 3 blinks at a time codes mentions! Onan generators for RVs have been discarded Commercial Mobile generator ( 120V 35A ) $ 6,379.10 where have. Well i heard back on the overheating 7.5 Quiet Diesel generator fault code 33 replace it in RVs is listed... 100, much less than i was anticipating Electric start inverter generator w/ Wireless Remote (! Make it a practice to add fuel stabilizer the oil and fuel supplies to make more repairs... The warranty in a motorhome sometimes your Onan generator installed the direct drive coupling kit CARB ) 6,379.10... My RV causing problems for learning how to fix it just continue to our... Hour of running every appliance simultaneously youre tight on cash, its definitely worth it to check all! Only some external wires were melted, they also make portable generators, especially those that go in RVs is. Everything on are not always using the best method to communicate what is wrong to. Looked up on that site run, Youll likely want an RV generator crank the starter motor or blinks. Much oil do i need somewhere that if an Onan generator in RV... Code 33 following a fault shutdown, the Onan generator troubleshooting fixed 3 blinks at a time external! - 1 to run the generator 33 and # 44 the code still exists, the generator... Not get a voltage when its reset some external wires were melted, they also make portable,... Your Cummins RV generator before you bring in your RV or use as a cucumber i.
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