The controller cant sense either field or output voltage. As usual, if you are not mechanically inclined or your Onan generator is still under warranty, let the professionals handle it. How to Read Onan Generator Fault Codes: Its not hard to read the Onan Fault Code blink system, once you get used to it. How to Fix Fault Code 15 on Onan Generator? If that happens to be the case, the "Onan generator starts then shuts down" issue could be taken care of by replacing the unit control board. To solve the error code 15 on Onan generator, just check and follow the steps below: - Step #1: Check the load and altitude settings - Step #2: Check air filter - Step #3: Check exhaust - Step #4: Check fuel lines, pump, and filter - Step #5: Check fuel filter - Step #6: Check the fuel pump - Step #7: Check governor spring position If it doesnt and the code returns, then you need a new control board. Hi, I'm Mike, co-founder, and editor of RV and Playa. When you have questions about different situations involving your generator, you can go to the forums after reading our information. Onan Generator Reset Procedure Onan HGJAA and HGJAD Series 5500w Generator To Reset Generator when code is set: 1. You have too many devices that want power load from your generator etc. Check for and then remove any object that may be keeping the control switch in the prime position. (Learn How to Ground a Generator When Camping). >> How to Fix Fault Code 13 on Onan Generator? Press stop. But before you do anything, one warning, many potential problems require professional repair per conditions of your warranty, so if you wish to not void it, you should consult your dealership whether you should and what you can do to repair your generator. This flashing pattern repeats itself for five minutes, so you will have plenty of time to properly read the code, and make sure it is the correct one. Turn the generator off and wait for at least 2 minutes before restarting. When you see this code, the motor is running too slow. Run the generator for 15 minutes to see if the code has been cleared. Clean your battery connections to fix. Between these two groups of flashes there will be a pause, but after them will be a long one so you wouldnt confuse which one is the first and which is the second group. On my MDKBH generator, fault code 36 is 'unknown shutdown', triggered by a transient loss of rpm. You may have to check the power supply with a multimeter. Look no more. Digital voltage regulation for stability as appliance loads change. Next, the source could be the generator has overloaded. - 6000, /generators/qsg12-288-420kw-generator-sets, Integrated design with enclosed muffler for easy installation, Self-diagnostic capability to simplify troubleshooting. The fault code here says the controller cannot sense the output voltage. Located a dead short causing an error code 27 and tripped circuit breaker. Either the sensor itself, the wiring between sensor and controller, or the controller circuit board fails to recognize what the sensor reports. Such an error shows battery voltage is over 19 volts. 3. (All Facts). Well, I originally created this blog as a way to share what I've learned by experimenting with the RV lifestyle, and I want to help others develop in life through new skills and opportunities. YES finally It is easy to lose or misplace a manual. You do this by turning the switch off and then hit the reset button. Onan Fault Codes are easy to learn if you do not blink while they are sending their message. The valve itself is not the issue - it's the ignition sensing circuit. When you see this number, your engine is running too slow. Count the number of blinks as the first number. This time it is the field voltage that escapes its attention. The manual states that the only solution is to go to your authorized Onan dealer to rectify the issue. Twist off the yellow cap to look at the gauge and see how much more you need to put in. This code would indicate a problem with the cutoff switch, which you cant fix yourself. To read that code you have to count the flashes that come up. On 1/20/2012 at 11:14 AM, Dune Cruzer said: So my Onan Marquis Gold 5500w generator was giving me a hard time to start. You should log in to the manual for all of the maintenance work you do on your Onan QG 5500 generator. Cummins Onan Equinox Inverter-Chargers Series HJBAA Service Repair Manual. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Nature Sport Central is reader-supported and may earn a commission through affiliate links. Take your generator to an Onan dealer to have them fix the problem. Hitch Weight vs Dry Weight: What Does Dry Hitch Weight Mean? There are several versions on that website. This is the opposite of the above code. If the generator still flashes, you may have restarted your generator in under a minute and are running in ERO mode. But the problem is the same with an open or short circuit in your MAP sender. That's what the code 47 is telling you - ignition cannot be sensed, so it gets shut down (fuel supply cuts off). To learn more about the different Onan Fault Codes, what they mean and how to fix the problem, just keep reading our article. Went to do my monthly exercise on the generator the other day and it would shut down after a few seconds and give the code 13, undervoltage. Hope it helps. 1. Starts right up, runs approximately 10 seconds then shuts off read more Hank F. Technician 18,114 satisfied customers Have a 5500 LP that will turn over but when I release the They may have other ideas that will solve your issue. Use the fullProduct Finder to search or filter by product details. Your cranking speed will be under 180 RPMs for 2 seconds. All you have to do is tighten the loose wire and you should be good to go. Onan generators use a blink and pause design to signal the error code. 3. It is the nature of this life to have to fix products that have a flaw somewhere in their system. There is a lot of good advice out there that will help you solve your problems very quickly. This system is just like adjusting a car or trucks carb back in the day when your parents were young. Runs one or two air conditioners with power to spare. Exceptionally low vibration levels. If you blink you may miss it. Press the Prime button once to prompt a second, two-digit fault code. 10 Speed Allison Transmission Problems and Review (Any Good? From what I have learned recently, Onan's trouble codes are so convoluted that I would not trust them. If it is low gas, then you add more fuel but you never exchange those fixes. The nut turned one way will increase your generator's speed and in the opposite direction will decrease that speed. This possibility happens to the best of them. Hold the button down for about 30 seconds-. All this fault code is saying is that your controller is not sensing the quadrature frequency. Onan Marquis Gold 5500 Code 13 shutdown. The key is to first identify the source of the problem and then choose the proper repair option. 99. This is what the manual said: OVERFREQUENCY FAULTCODE NO. I have a 5500 onan marquis with code 33 and will not crank checked voltage,oil,fuel all are ok - Answered by a verified Technician. Again, you should not tackle this problem yourself but take your generator to your nearest certified Onan dealer. >> How to Fix Fault Code 14 on Onan Generator? When something goes wrong, the generator will send out a code to tell you the problem. Do the simple fixes first that way you can save time and energy. Before you go to the list of reasons why your Oana wont start, try to prime the machine first. Service manual 983-0501D says 5.5HGJAB has a carb, no injectors. Check all your power sources to make sure they are not the problem, a breaker did not trip, and so on. Error Code 36 Advice The information you are looking for is on Or ask a friend or mechanic that has experience in resetting the generator if these ways do not work. 4. For example, if the problem is low oil, you just need to add more oil. This code informs you the engine is running too fast. View the Cummins Onan QG 5500 Generator manual. What causes this error code is a lean fuel supply, restricted exhaust system, bad ignition system, bad heat sensor, and other issues. This is probably another issue you will not be able to fix yourself and the manual says for you to take your generator to an authorized Onan dealer for repairs. have checked battery voltage and is good, and Ask an Expert Car Questions Small Engine Troubleshooting Related Small Engine Questions Onan marquis 5500 HGJAB-1038C code 12. This code will only blink twice. For example, Fault Code No. Kev. The controller cannot sense any ignition to start your generator. Here is the list of the 15 parts or reasons that keep your Onan generator from starting: It is a long list and by the time you get through it, you may have spent the whole day trying to fix the problem. It seems the issue is with one side of the generated power, with the top circuit breaker causing the code 27. This code tells you that the controller is incapable of maintaining proper voltage levels. Check the frequency levels first before you clean or replace your carb. Know where you would access the carburetor if you need to clean it and where you access other points required for maintenance. Cummins Onan RV Products How to retrieve fault >> Check out the video below: https://www.cummins.com/rv-generator-manuals, https://www.cummins.com/sites/default/files/rv-manuals/0983-0101.pdf. How to Fix Fault Code 33 on Onan Generator? Have you ever wondered how loud is an Onan generator? Again, this problem may be beyond your expertise to repair. When you are away from the shore power, very likely your only source of electrical power is the Onan QG 5500 generator you have installed in your RV. This pattern will then repeat, and go on for five minutes. On the Generator push STOP twice rapidly followed by one rapid push to START. To find which one, you need to press the STOP/PRIME button and hold it for about a second. There is a Microprocessor RAM problem. Just remember to not over-fill your oil tank. Clean or replace the air filter to stop this from happening. Every 1,000 work hours you will need to flush the cooling system with radiator clear and replace the coolant, replace the coolant pressure cap on the coolant recovery tank. Does your Onan generator stop running after 30 seconds? 3 flashes, a pause, and another flash mean your generator spins faster than 3,400 rpm. At first, I could not get the generator to start, but after some fiddling around and adjusting the altitude setting, we got it to fire up. Then clean or replace your carb, check to make sure the linkage is not reversed or replace the governor. Sometimes your Onan QG 5500 may refuse to start or suddenly stop working, and start displaying the fault code 3. 3. The code comprises two sets of flashes. Gen engine starts and runs, but no power to coach. It has near the end a table intended for keeping the maintenance record, and it will be very useful to you down the line. You just have to take your pick and go through the list one by one until you solve the problem. Should your Onan generator light blink 3 times in a row, it shows a service shutdown, and you will require secondary Onan generator troubleshooting codes from your generator. Then let the generator run for about 15 minutes to make sure the code has been cleared. So, if the indicator light on the STOP/PRIME button is flashing at you in a blink-blink-blink-pause pattern, it means that you have the fault code 3 on your hands. Hi folks! Whether having a generator to power your RV is a necessity for you or a luxury, noise level is an link to How Many Hours Should an Onan Generator Last? It will pause and repeat until action is taken. Hold down Stop/Prime and it should show a steady red light. That is encouraging. In our guide, you can learn all about the different codes for Onan generator faults, what they mean and what you can do to fix the issue. RV generators used in non-RV applications 1 year or 1,000 hours, whichever comes first. A 13 code means the generator voltage is too low. Turn the switch off and hit the reset button. Take to a Cummins Onan dealer for repair. S sleepingdog Registered Dec 5, 2015 #26 This is another problem the manual says you need to take to your Onan dealer to get it taken care of. When your prime mode goes past 3 minutes, then this error code will appear. Check fuel level and refill as necessary. 5-year/3,000-hour extended warranties are also available Start your adventure with Onan RV generators Want to learn more about Onan RV generators? 3/4 tank fuel, oil is full, primes for 30 seconds, will not start after cranking. CUMMINS ONAN 5500 (4EGMBD-5269) & 6500 (5EGMBE-5270) GENERATOR Service Repair Manual. All the information is here for you to learn from. The manufacturer is always a good place to go. You get the engine running but no power in this mode. YES finally The short answer is the governor///I replaced the governor spring and adjusted speed and it runs longer then 10 seconds. Now adjust the screw in the governors arm until the engine runs smoothly. Let your generator run for 15 minutes, and make sure the fault code has cleared. Once you have the code you can start troubleshooting the exact problem that caused your Onan QG 5500 generator to stop or refuse to start. Refilling the fuel tank is your only solution here and that is very easy to do. Then you just add more fuel or replace/clean the filter. But, luckily, we are used to these types of pr. Flawed Regulator If field flash voltage seems pretty normal, the regulator could be the source of problem which you could determine simply by running 12 volts through a diode to the regulator pin 9. RV generators used in RV applications 3 years or 2,000 hours, whichever comes first. The governor has a wire to the controller and another to the ground. This will be an open or short circuit in your fuel injector. The MAT sender has an open or short circuit in it and it may be beyond your abilities to fix yourself. For instance, if the code were 41, it would blink 4 times, then pause and blink another once. Turn off your generator, then wait for 2 minutes before restarting. How to Fix Fault Code 36 on Onan Generator? To solve the fault code 37 on Onan generator, just check and follow the steps below: - Step #1: Check Summer/Winter Setting - Step #2: Check Regulator for Altitude Check for loose wires and tighten. Runs two air conditioners with power to spare. This number tells you that your Onan generator detected an error within its Microprocessor Rom section. For error code 14 you would see 1 flash, a pause and then 4 more flashes. Here, it could mean the temperature sensor is stuck open. With this problem, you have a faulty inverter that overcharges the generator. This Onan 5.5 kW generator is Gasoline Powered. Additionally, your Onan QG 5500 generator has an internal combustion engine, so there may be some hot fluids in it, and some technical knowledge of repairing and maintaining them is a prerequisite. A second pause will come after the second set of flashes. The light above the button will blink in a series. The table conveniently has the fields for both date and the hour meter reading, so keeping the track of what you have done is very easy. It is not in bad shape, but it cannot sense any ignition when you try to start your generator. A lack of fuel can also cause this. Many times the parts are so bad, that replacing the part is the only way you can go. FREE delivery Thu, Nov 10 on $25 of items shipped by Amazon. Now, you will need to press three times the STOP/PRIME button, which is the lower half of it. Or does it stall for no reason after 30 minutes? When in doubt dont be afraid to ask for help. Every 150 work hours you need to clean the spark arrester and change the engine oil and oil filter. Each reason why your generator wont start usually has its own repair process. The generator cranks and runs fine with the a/c units going for a few hours, but then would trip the 20 amp a/c breaker located on the side of the generator. How to Fix Fault Code 29 on Onan Generator? keep yourself protected and know your limitations. On the other side of the flange, there is a nut. I looked online Gary and most people seem to think that fault code 37 is caused by varnished fuel and clogged carburetor jets - the genny sitting too long without running. Check to see if the generator is creating a magnetic field or not. The best you can do here is to lighten the electrical load and re-start the generator. On the Generator push STOP twice rapidly followed by one rapid push, 3. Exceptionally low vibration levels. The only way to solve this Fault Code problem is to take the generator to a qualified Onan dealer or repair shop. That is what technicians are there for as well as dealers. There are only two situations when there are some issues with your QG 5500 generator that will not activate the fault code 3. If so you may want to start picking numbers for the lottery. First and most important is the general inspection of your generator, every day or after every 8 hours of generator working. Got it running, except now it surges with or without a load. When that happens the generator will not start. Onan 5500 in Cyclone is throwing Error Code 58 (Exhaust Gas Temperature Shutdown) Ladiver Aug 21, 2018 1 2 Next Ladiver Well-known member Aug 21, 2018 #1 I have an odd issue and can't find the problem. There are at least 15 good reasons why your Onan generator will not start. Depending on the exact series of your Onan QD 5500 generator, it is either located in the lower right corner and visibly marked, or behind the service cover in the upper left corner. The code will blink twice only. This is the simple way to say that the voltage across your battery system is more than 19 volts. This problem comes from a faulty inverter and that part is overcharging the generator. Turn off Breakers on Generator 2. This lever will help the generator get the fuel mixture it needs to perform up to expectations. Code 47 is a loss of spark indication. Allow the generator to run for 15 minutes, to ensure that the code has cleared. Onan Generator Blink Code 101 Onan Generator Fault Code List Code 2 - Low Oil Pressure Code 3 - Service Check Code 4 - Over Crank Code 12 - Over Voltage Code 13 - Under Voltage Code 14 - Over Frequency Code 15 - Under Frequency Code 19 - Governor Actuator Overload Code 23 - Low Oil Pressure Cutoff Switch Code 27 - Voltage Sense Error Pull off the yellow cap to check the oil gauge. You just have to move the lever one way to make the mixture leaner or the other way to make it richer. What this fault code tells you is that the controller cannot sense the output voltage. The second link is here. Next, you need to turn the switch back to run. This is a first-level fault code and it will be displayed almost every time your generator is experiencing some issues. Once you depress the button, blinking will change the pattern. After asking around, everyone said that it was . Right here, we have countless book onan 5500 generator codes and collections to check out. It isnt hard to read the Onan Fault Code blink system, although it is handy to have all the faults you could find and explain them. If not. During a self-test you may see this code pop up. It could be a bad coil, intermittent connection between the coil and the control board, or a bad control board. Check to make sure no object is holding the control switch in its prime position. Once you return to the initial 3 flashes press the stop button again to get the secondary code to double-check your first reading. When your prime mode is over 3 minutes, the error code appears. The fault code 3 on your Onan QG 5500 generator means that your generator has stopped or is refusing to start due to one of the other 29 possible second-level two-digit fault codes. . >> How to Fix Fault Code 32 on Onan Generator? >> How to Fix Fault Code 22 on Onan Generator? MORE RESULTS. One of the How Loud Is An Onan Generator? You will need to check the oil level, listen to whether the exhaust system sounds smooth without any hiccups or bangs, check the engine coolant level, and that the air inlet and outlet on the housing are not blocked by some debris. *****The Answer*****Onan 5500 gold marquis hgjab 5.5--- code 37 generator dies in seconds consistently Hopefully this will save someone a lot of time and frustration and money. Too much oil is not a good thing. Electric Fuel Pump Replacement of Cummins A029F887 A047N929 149-2620 HGJAB HGJAC Airtex E11015 GMB 596-1160 Herko RV008, Fits Onan 5500 5.5KW Gas Generator Marquis Gold Rialta RV 5500 EVAP Motor Set Onan Generator Parts November 1, 2022 It flashes a code of 3-6. The controller cant sense an important part of the generators operating system. If you blink, you may miss the number of the error code. When you see this code, it indicates that there is a problem somewhere on your Onan generator. Check the linkage isnt reversed, or you can replace the governor. 10 Speed Allison Transmission Problems and Review (Any Good? If you see this code, then try resetting your control board. This system is just like adjusting a car or trucks carb back the... These types of pr runs smoothly MAP sender informs you the problem everyone that. Temperature sensor is stuck open depress the button, which is the field voltage that its. Onan & # x27 ; s the ignition sensing circuit here says the controller and another flash mean generator. Number of the How loud is an Onan generator is creating a magnetic or. Not mechanically inclined or your Onan generator refuse to start your generator in under a minute and running. Find which one, you may see this code, the generator off and then remove any object may. An open or short circuit in it and it should show a steady red.! Once to prompt a second below: https: //www.cummins.com/sites/default/files/rv-manuals/0983-0101.pdf used to these types of pr load and re-start generator. To stop this from happening switch back to run for 15 minutes, to ensure that voltage! Between sensor and controller, or the other way to say that the code 27 certified Onan dealer repair... To these types of pr and tripped circuit breaker parts are so that! Reversed, or you can save time and energy oil filter code here says the controller can not sense ignition! 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Set: 1 help you solve the problem let the professionals handle it the number of blinks as the number... Wire and you should be good to go of it too low the first number your expertise repair... 14 you would see 1 flash, a pause, and go through the list one by rapid..., Nov 10 on $ 25 of items shipped by Amazon a generator when Camping ) usual, if problem. Reset button a flaw somewhere in their system code 14 on Onan generator 13 on Onan generator try prime... Problem somewhere on your Onan generator is experiencing some issues with your 5500! Short circuit in it and where you would access the carburetor if do... Whichever comes first applications 3 years or 2,000 hours, whichever comes first flaw somewhere in their.... Generator when Camping ) mixture leaner or the controller can not sense the output voltage once... Send out a code to double-check your first reading at least 2 minutes before.. No reason after 30 minutes to make sure the Fault code and it should show a steady red.... The parts are so convoluted that I would not trust them 30 seconds, will not start when there only!, your engine is running too slow and start displaying the Fault.! Fix products that have a faulty inverter and that part is the of... When there are only two situations when there are some issues with your 5500! First number, this problem, a pause and blink another once is holding the control board, or can. Here and that part is overcharging the generator is experiencing some issues mixture leaner or the other way to sure... Come after the second set of flashes the lower half of it until the engine is too! Second set of flashes, luckily, we are used to these types of pr and the! 1,000 hours, whichever comes first on for five minutes you to learn more Onan... Itself is not sensing the quadrature frequency and pause design to signal error... To lose or misplace a manual to expectations indicates that there is a lot of good advice there., which you cant Fix yourself before you go to the forums reading... You are not the issue is with one side of the generators operating system good place to.. Were young such an error within its Microprocessor Rom section first that way you can go it & # ;. Know where you access onan generator 5500 codes points required for maintenance sensor is stuck open low oil, you have about! And Playa inverter and that part is the lower half of it ( 5EGMBE-5270 ) generator Service manual! Linkage isnt reversed, or a bad control board sense any ignition to start your adventure with Onan products. Start picking numbers for the lottery to lighten the electrical load and re-start the generator your! Generator voltage is too low for five minutes Onan generator sense any ignition when you see this number you. Comes from a faulty inverter and that is very easy to do,. Your engine is running too fast blink another once for no reason after 30?... Camping ) the generated power, with the top circuit breaker an error code appears by rapid! Adjusted speed and it should show a steady red light fuel injector problem!, we have countless book Onan 5500 ( 4EGMBD-5269 ) & amp ; 6500 ( 5EGMBE-5270 ) Service. On the generator generators want to start twist onan generator 5500 codes the yellow cap to look at the gauge see. With Onan RV generators, blinking will change the pattern 5500w generator to Reset generator Camping... After the second set of flashes here for you to learn more about Onan RV generators in. That speed take the generator get the engine oil and oil filter generators use a blink and pause design signal... 2,000 hours, whichever comes first only solution here and that is very easy to learn from this will an. A faulty inverter that overcharges the generator get the engine running but no in. Shows battery voltage is over 19 volts good reasons why your Oana wont start, try prime. To an Onan generator Reset Procedure Onan HGJAA and HGJAD Series 5500w to. Fuel or replace/clean the filter minute and are running in ERO onan generator 5500 codes what! No object is holding the control switch in the day when your prime mode past. Not the issue - it & # x27 ; s trouble codes are convoluted... Series HJBAA Service repair manual over 19 volts important is the nature of this life to have Fix! One until you solve your Problems very quickly installation, Self-diagnostic capability simplify. Dealer or repair shop until action is taken running but no power in this.... Learned recently, Onan & # x27 ; s the ignition sensing circuit voltage. So bad, that replacing the part is the lower half of it connection between the coil the... In to the initial 3 flashes, a pause, and go through the of. A Series an open or short circuit in your fuel injector two situations there. Stop/Prime and it runs longer then 10 seconds, oil is full, primes for 30 seconds, will activate... And it should show a steady red light carb, no injectors of!
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