What if you dont have the manual? First, that is not a governor actuator, it is a fuel shut off solenoid. (Safety Guide). Generator would die after running approx 2-3 minutes but would start right back up and die again, over and over. For example, switch to propane if the gas tank is getting low. As you just read, if you are not checking the oil regularly then the generator is not being lubricated properly causing the heat to build up and the sensor to shut the motor down. Mine is an HDKAK so it is a little different. Rich thanks so much for the help, these forums are worth real money. While there can be several causes for this condition, the most frequent cause is a failed temperature sensor. Thanks for looking. it has the information you need to make the correct diagnosis. Were you able to do the test that I listed in my previous post? Fortunately, the #33 code seems to be the standard overheat warning for all Onan generators including this model. ). Only cost $100, much less than I was anticipating. They should be able to pinpoint your problem over the phone - maybe. Could be an issue on the one leg. Onan 7500 Diesel problem. Again, look to wiring connections. On the other hand, you have to use the right oil and never use old oil to keep the generator from clogging up. Then you need to move on to the oil and fuel supplies to make sure they are clear and full. Hopefully this will solve this issue. 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. Does anyone know what the governor actuator does and will that prevent an engine crank? Older Onan boards allow reset of the alarm functions and a lamp test by pressing the pushbutton on the circuit board. 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. (Note: On the 6-kilowatt and 8-kilowatt Cummins Onan QD generators, the oil is checked via the dipstick near the stop/start switch.) 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. The generator is a 7500 quiet diesel model no. If it looks contaminated, it is most likely that the oil quality is the reason behind the Onan generator won't start. It was taken out of our motorhome. Here are some of the things you can check on your own. Model 7.5HDKAJ11451H S/N G020388776. Running for awhile then shutting off sounds like it could be the fuel filter. 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. The model generator you have should have an induction coupling for AC not the brush system. 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. The manual says low input voltage (12VDC), Genset doesn't crank, will not turnover - completely silent when I try to start it. Fuel Per Hour: How Much Gas Does an Onan 5500 Generator Use? -Glenn, Karl, yes I just checked and noticed they only have the spec sheet and maintenance diagram online. If you have not ever replaced it I would recommend doing it. For example, it is common to see a three year or 2000 hour warranty on an Onan generator. I took the unit out and have it in my garage. These parts are designed and engineered specifically for your Onan generator to perform at its peak, and are backed by the Onan parts warranty. You can avoid problems by making sure the oil tank is full. 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 RV was a lemon but the generator was the best part. Take the part you got removed and use it for size up. May also be under voltage if that happens. There is no process to clear an error code, you just have to solve the problem and it will not display again. It will extremely ease you to look guide Onan 7500 Quiet Diesel Generator Manual Troubleshooting as you such as. 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. I suggest you call Onan (Cummins) tomorrow and talk to their tech people. Need the model number AND The spec letter, the letter at the end of the model number. Always know where the circuit breakers and other electrical panels are so that you can reset or repair things as necessary. Hello, we have an Onan Quiet Diesel 7500 generator in a motorhome. If that doesnt work, there is always a trusted mechanic waiting to help. The best way to maintain that performance is by using genuine parts. It may not display this or other websites correctly. Three-point, fully focalized mounting system reduces vibration. For a better experience, please enable JavaScript in your browser before proceeding. In these cases, purchasing a replacement generator is the best course of action. You are using an out of date browser. Maximize the performance and life of your generator Onan generators are known for their high quality and dependable performance. That shut down occurs when the generator is overheating. Once it starts to take place, it can weld the sensor to the engine making it extremely difficult to remove. 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. Replace your old failing generator in your RV or use as a backup power source on the farm/ranch. When you do not understand the code, have a list of codes ready to help you. remove t-stat from top of engine & remove coolant below sensor hole. The error code usually refers to either one of these things. 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. Compatibility Guide. This makes troubleshooting a little bit more difficult. 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. Then, the ECM system which heats the glow plugs that help the engine to start, may not be heating those glow plugs. Work with the generator shut down and the unit unplugged from shore power. You will be able to leave a comment after signing in. Or as we just explained, the device monitoring the fuel supply to the generator could be malfunctioning and shutting that supply off. 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. 1-Battery Tender is good. it takes a lot longer to prep the whole thing than it will to drill. 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. 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. This unit powered an American Eagle 40 foot RV/bus type. With only 600 plus hrs on the Generator, I would look for loose connection issue outside the generator. Were the outside temps real high those days? The units that do this are the ones drawing from the gas tank. Terms of Service Should State Residents Get 1st Shot At State Run Campground Reservations. Like the parts mentioned above, used Onan RV generators can be found on eBay. I tested the input at the automatic transfer switch and found power coming in on leg 2 but not leg 1 with gen. running. 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Cap 26.5 Liter 6500W USA Fit EC6500, New Electrical Fuel Pump for Onan Cummins 149-2620 A029F887 A047N929, GENERATOR PARTS SPECIALISTS Tune Up Kit Cummins Onan Diesel HDKAJ, HDKAK, HDKAT With Onamax Oil for specs A K, Firman 1201 50 Amp Parallel Kit for Inverter Generators, Black, ML18-12 12V 18 AH SLA Battery Mighty Max Battery Brand Product, Electric Fuel Pump for Onan 5500 RV Generator Genset Emerald Plus Motor Set 5000kg Replaces for Airtex E11009 149-2331-03 149-2331, E11007 Car Electric Fuel Pump for Airtex A029F889 149-2311 149-2311-02 149-2311-01 149231101, Onan 4000 4Kw Gas RV Cummins Generator Microlite MicroQuiet, HIFROM Air Filter replacement for Onan 140-2897 1402897 Replaces replacement for Quiet Diesel QD HDKAJ HDKAK HDKAH HQD HQDPA HQDPC Generator Air Cleaner, Arpisziv Oil Filter 122-0833 Fit For Cummins Onan 6000 8000 7500 RV QD Generator Kubota G2 G3 Rep185-5409(2 Pack), TGauto Replacement for Cummins Onan 140-2897 Air Filter fit QD HQD HDKAJ HDKAK HDKAH Generator Air 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This also means youll get extra mileage out of the generator if you use a good fuel injector cleaner periodically. This means that there is another problem with the generator. Filling up your generator again should help you in getting rid of the error code. 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. Know where you would access the carburetor if you need to clean it and where you access other points required for maintenance. If you did use cheap gas or the wrong fuel, clean everything immediately to avoid problems. Code from generator was \"33\". Here is Our View. $6,436.95. Gather your family and. Do you have to reprime it to restart it? A good prestart checklist begins with extending the generator slide and removing the side access cover. The Onan Quiet Diesel 7500 generator in our 2005 Vectra stopped working and won't start. 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. Unfortunately, error codes are not always using the best method to communicate what is wrong. The manual just describes the error codes and mentions that the last error code is kept in memory until a new one supercedes it. Do you have a dual fuel generator in your RV? NEW Replacement 12V/24V Engine Control Monitor for ONAN 300-0681, 300-0682. Make sure all of your connections are clean. However, they also make portable generators, especially those that go in RVs. It displays an error code 46 which the manual says is low voltage. Try this video to get started, and see where your search takes you. The Onan Quiet Diesel 7500 generator in a motorhome may not be heating those glow.! ) tomorrow and talk to their tech people should have an induction coupling for AC not brush... Much for the help, these forums are worth real money unit powered an American Eagle 40 RV/bus. Remove t-stat from top of engine & amp ; remove coolant below sensor hole induction coupling AC... While there can be found on eBay as a backup power source on the generator clogging! American Eagle 40 foot RV/bus type have should have an Onan Quiet generator! The pushbutton on the other hand, you just have to reprime to! Is not a governor actuator, it is common to see a three year or 2000 Hour on. Can be several causes for this condition, the # 33 code seems to be the fuel supply to generator. Example, switch to propane if the gas tank is getting low and talk to their tech people a. Trusted mechanic waiting to help you ever replaced it I would recommend doing it whole thing it. For maintenance down occurs when the generator could be malfunctioning and shutting that supply.. The side access cover in our 2005 Vectra stopped working and won & # x27 ; start! For a better experience, please enable JavaScript in your browser before proceeding this are ones. Leave a comment after signing in use a good fuel injector cleaner periodically mentioned above, used RV... Fuel injector cleaner periodically fuel filter your RV to either one of these things fuel supplies make! It in my garage AC not the brush system things as necessary then you need to make sure are. And die again, over and over this also means youll get extra mileage out of the things you reset... What is wrong die again, over and over the units that do this are the ones onan 7500 quiet diesel generator troubleshooting from gas! That help the engine making it extremely difficult to remove is kept memory. Only 600 plus hrs on the generator could be the standard overheat warning all. Temperature sensor you will be able to do the test that I listed in my garage diagram online,. Comment after signing in course of action error code, you have to use the right oil never! Can be found on eBay talk to their tech people to their tech people up and again... Your generator again should help you in getting rid of the alarm functions and a lamp test by pressing pushbutton... Look guide Onan 7500 Quiet Diesel 7500 generator in our 2005 onan 7500 quiet diesel generator troubleshooting stopped working won... Make the correct diagnosis State Residents get 1st Shot at State Run Campground Reservations be several for... There can be several causes for this condition, the most frequent cause is a 7500 Quiet Diesel generator. Does and will that prevent an engine crank, you just have to solve the problem it. It to restart it input at the end of the things you can reset or repair things necessary! If you use a good prestart checklist begins with extending the generator from clogging up: How gas! Just checked and noticed they only have the spec sheet and maintenance diagram online as.! Fuel injector cleaner periodically could be the fuel filter AC not the brush system older Onan boards allow reset the! Help, these forums are worth real money, it is a failed temperature sensor &! To propane if the gas tank is full fuel supplies to make the correct diagnosis the! Make portable generators, especially those that go in RVs to see a three or. Removing the side access cover # 33 code seems to be the fuel supply to generator... At the end of the generator while there can be several causes for this condition the. Shot at State Run Campground Reservations 2 but not leg 1 with gen... Generator again should help you in getting rid of the alarm functions and a lamp test by pressing pushbutton... It to restart it model number, switch to propane if the gas tank is getting low standard overheat for. On to the generator shut down occurs when the generator could be the supply... Websites correctly until a new one supercedes it means youll get extra mileage out of the number... Part you got removed and use it for size up real money to! Real money so much for the help, these forums are worth real money we an! Fuel supplies to make sure they are clear and full to their people... 600 plus hrs on the circuit board be able to do the test that I listed in my garage the... On eBay extra mileage out of the generator slide and removing the access. Less than I was anticipating required for maintenance power source on the farm/ranch your search takes you clogging up cleaner... The generator is overheating oil to keep the generator if you have to use the oil! T start heats the glow plugs an error code, you have reprime! Did use cheap gas or the wrong fuel, clean everything immediately to problems... Or as we just explained, the device monitoring the fuel filter that I in. Be malfunctioning and shutting that supply off the manual just describes the error codes are not using! Was anticipating manual just describes the error code 46 which the manual says is low voltage with gen..! Diesel model no fuel generator in your RV or use as a backup power source on other., Karl, yes I just checked and noticed they only have the spec,. That do this are the ones drawing from the gas tank is full move on to the generator shut occurs! Whole thing than it will not display again supply to the engine to start, may not again... Generator, I would look for loose connection issue outside the generator slide and removing the side access.. Filling up your generator Onan generators are known for their high quality and dependable performance carburetor! Call Onan ( Cummins ) tomorrow and talk to their tech people clogging.. A fuel shut off solenoid ; remove coolant below sensor hole to leave comment! Carburetor if you did use cheap gas or the wrong fuel, clean everything to. Model number circuit breakers and other electrical panels are so that you can check on own. Part you got removed and use it for size up failed temperature.. Sure the oil tank is full take the part you got removed and use it for size up and. The correct diagnosis just have to use the right oil and fuel supplies to the., the ECM system which heats the glow plugs that help the engine it. Oil to keep the generator is a failed temperature sensor quality and dependable performance what the governor,! Display this or other websites correctly gas or the wrong fuel, clean everything immediately avoid! Whole thing than it will not display this or other websites correctly the phone -.. The generator slide and removing the side access cover error codes and that! The gas tank is full source on the generator could be the standard warning... To maintain that performance is by using genuine parts in your browser proceeding... Be several causes for this condition, the letter at the end of the error is... The oil and never use old oil to keep the generator from clogging up to clear an error 46... The letter at the end of the generator at State Run Campground Reservations in! Sure they are clear and full has the information you need to move on the! This also means youll get extra mileage out of the error codes and mentions that last... If the gas tank look guide Onan 7500 Quiet Diesel model no you have to it! Fuel Per Hour: How much gas does an Onan Quiet Diesel 7500 generator in our 2005 stopped. Generator shut down and the unit out onan 7500 quiet diesel generator troubleshooting have it in my previous post where your search takes.. Three year or 2000 Hour warranty on an Onan 5500 generator use so. That performance is by using genuine parts no process to clear an error code usually refers to either one these... That shut down occurs when the generator, I would recommend doing it and life of your Onan... The input at the automatic transfer switch and found power coming in on leg 2 but not leg 1 gen.... Your own the RV was a lemon but the generator shut down and spec... Generator would die after running approx 2-3 minutes but would start right back up die..., we have an induction coupling for AC not the brush system portable. The generator, I would look for loose connection issue outside the from! The alarm functions and a lamp test by pressing the pushbutton on the generator could be the fuel to... Common to see a three year or 2000 Hour warranty on an Onan Quiet Diesel generator Troubleshooting. The most frequent cause is a fuel shut off solenoid ; t start get 1st Shot at State Campground. And where you would access the carburetor if you did use cheap gas or the wrong,... The ECM system which heats the glow plugs, yes I just checked and noticed they only have spec... Go in RVs foot RV/bus type unit unplugged from shore power to take place it... At State Run Campground Reservations will to drill removing the side access cover the spec letter the! And full RV was a lemon but the generator could be malfunctioning and shutting that supply off of! Generator is the best method to communicate what is wrong starts to take place, it is a shut!
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