If your generator starts but won't keep running, here are two likely issues to check: make sure that it's not overloaded check for fuel or air delivery obstructions A clogged air filter, vapor lock, or dirty carburetor often cause this issue. If your generator starts but wont keep running, here are two likely issues to check: A clogged air filter, vapor lock, or dirty carburetor often cause this issue. To test this, remove the control panel to expose the backside of the start switch. (View the video above.) If you didnt check the fuel level or didnt just refuel before starting it, this is likely one of the reasons. Just a simple question are you by any chance turning off the main tank valve every time you quit running the genie? The oil sensor is ignored until the engine has a chance to come up to speed. I believe a Generac NP-66G generator is a gasoline generator. With time, the impurities it catches in the air clog up its spongy element. To save them from getting damaged, the generator will shut itself off. It may also occur the moment you plug in the power output This is quite frustrating given that itll be cutting off the power supply to the house or any other outdoor appliances. As fuel is consumed by the engine, the level in the fuel tank lowers. Rolf is correct. In such a case, some parts of the generator will get too hot. If any one of them fails due to an electric shock, the generator may only run for a short while then stop. If these easy fixes do not do the trick and get your generator running continuously, then call a technician. You can clean off any varnish or residue by treating your carburetors with a carburetor cleaning product. Let it dry before refitting it. Have a closer look at the temperature level as it stops running and notes it is not over 200 degrees. Causes of Generator Running Rough + Fixes. For such a case, you will observe the amount of smoke released is less than the usual one. what are the other possible causes? One of the main issues that could be the source for your Onan generator failing to stay on is the carb. Change the viscosity of the oil. To be on the safe side, always check the amount of fuel in the generator before starting it. This is the part where fuel is mixed with air then channeled into the combustion chamber for ignition. The volatile ingredients in the fuel such as ethanol can evaporate and even absorb water in the air leading to clogging and stale fuel. The good news is that there are experts on the matter who can help out when it comes to the complex issues. Many propane generators have an automatic switch that triggers itself hence requiring no much attention. If its still hot from running, wait till it cools down first. The generator should also go off when it runs out of fuel or is turned off. Servicing your generator can increase the performance of a propane generator by scheduling a maintenance routine plan . All effort is made to ensure the correctness of Garys responses; however, not all responses will apply in every instance. A loose spark plug. If the spark plug has dirt on the end needed to ignite the air/fuel mixture, itll not produce the spark and the whole combustion process will fail. The generator runs by circulating oil in the moving parts. Brett Sometimes the oil alert system in your engine is actually doing what it should. Heres how you check if its a problem with the fuel filter or the fuel pump: There are times when fuel is restricted because of a bad fuel filter and your generator cannot get enough of it to continue working. Step 2: Allow the generator to run for 3-5 minutes. While the valve should be in the OFF or CLOSED position when the engine is off, you should have it in the ON or OPEN position when running the engine. ISO 46 vs AW 46 Hydraulic Oil: Are ISO And AW Oil The Same? I have become very fond of this product and tend to use it in all of my small engines. Any injury, damage or loss that may result from the improper use of tools, equipment or information contained in this video is the sole responsibility of the viewer and not Steves Small Engine Saloon Inc. If your small engine wont start, or dies after a few seconds, try this quick tip first. Heres what Ive found from my experience. In this guide, we detail all the possible causes of this issue and their respective solutions. it will start and run for about 2-3 seconds then die, but if i hold the starter on is will keep running. The trick is to be able to get to the actual issue as quickly as possible. Cleaning or rebuilding the carb is the only solution here. The generators air filter plays the all-important role of filtering air before directing to the carburetor where it mixes with fuel for ignition in the combustion chamber. Faulty carburetor. So your generator is not only working doubly hard, but its also working more for lower power output. Oil level and air vent clogging. There is a Generac propane generator, Series NP, that is a 6600 watt generator but I don't know if it goes by the NP-66G moniker or by the NP-66LP moniker. if it is then it has a problem. This is mainly caused by high temperatures. It is having a problem staying primed. Space wont allow us to present every issue that will create this situation. Thanks! One source may be that the oil tank is low. It can also be a case of having left the generator with fuel for a long time. A normal generator should start quickly, run smoothly and go off when turned off or when it runs out of fuel. Read on as we delve into the reasons why overheating or a problem in several components of the generators fuel system can stall your generator, as well as other reasons why this issue crops up and, most importantly, how to fix these problems. Dave-. If youve checked the fuel supply and its in good working, check the air filter next. Many modern generators are now designed to shut down if they are overloaded. It should be a minimum of 60 volts. Keeping the unit aerated also helps it keep cool because air flowing through it carries away heat from the unit via convection. RV Doctor's Orders: What to do if your RV generator will not stay running? Contact Us. This prevents propane leakage in the event that the zero-pressure regulator should fail. Harvest Host Bad Reviews and Complaints (Is It Worth It? Most manufacturers of large generators use water as a coolant and radiator. These parts are interconnected with narrow pipes and small valves which can get damaged or clogged with time. You can unclog it with a needle. Industry experts always say good things about generators such as this because of their ability to save any individual who may be stuck someplace away from home without access to power. Clean it with a soft brush and some light tapping. If neither has been changed in a while, they may be the source for your inability to keep the generator running. Dual fuel generators allow you to choose your fuel source based on fuel availability, your power output requirements, noise restrictions, and other circumstances. My name is Paul (thats my little helper, Mason, in the picture with me) and I am a bit of a fanatic when it comes to making sure my home is energy efficient. Aside from the circuit breaker stopping your generator when its getting too heated, there are other reasons why overloading can stall your generator. This problem can occur at any time during the period the engine is running. As it flows out of the tank, it leaves space which is taken up by air from outside. This helps discharge and recharge the battery thus keeping its parts in good condition. Modern generator models have lots of sensors for various measurements. The only thing that can be done in this situation is to replace the control board. Jammer, thank you very much for that insight. Sometimes it is faulty.. This could happen either immediately after you start the generator or after running it for 20 minutes. just can not happen. I don't believe Generac propane generators have a primer button. The original owners manual is for a Generac Model 9734-3 NP-66LPG. On the other hand, if the generator shuts itself off when you connect the load, it means that your overloading it. This section will add to that list so you have plenty of areas to look at to figure out what caused the problem. If it is dirty or in need of rebuilding, then you will have trouble keeping the generator running all the time. This air flows through a hole in the fuel cap. Common on generators and pressure washers powered by Honda. Your generators choke lever needs to be in the CLOSED/OFF position before you start the generator. This can occur whether the oil is too high or too low. Ive tried many things. You must log in or register to reply here. If it does not work, consider replacing the carburetor. Generac same model, http://www.homeownershub.com/maintenance/generac-generator-natural-gas-starts-but-won-t-stay-runnin-762399-.htm, https://www.homeownershub.com/maintenance/generac-generator-natural-gas-starts-but-won-t-stay-runnin-762399-.htm, https://ctlsys.com/support/two-phase_electrical_service/, https://forums.mikeholt.com/threads/two-phase-power.125644/, https://www.lifebynumbers.ca/history/the-rise-and-fall-of-25-cycle-hz-electricity-in-ontario/. Join Date: Aug 2019. Follow this wire until you locate the green quick connect. Propane generators are a popular electricity backup for many businesses and homes. Generac Generator Fault Codes List (1902, 1904, 2800, P2601), Kohler Generator Fault Code List (Troubleshooting Manual), Download Onan Marquis 7000 Service Manual and Wiring Diagram, Onan 4000 Generator Wont Stay Running (Why and How To Fix), 4L60e Transmission Fluid Capacity, Type, and Change Interval. It needed to be blown out at least once a year. The wire connecting to the end of the plug should still be intact to provide the needed electric charge. If you find out that the air filter is clogged, you can try cleaning it. Propane generators come in handy in situations where there are power loss and extreme weather conditions. i just changed the oil and its full, changed the plugs gapped to .024'', changed the air filter . Here are some of the things you can do toremedy overloading: If its a one-time thing, you might want to fill up the gas tank. Sticky Switch When buying a generator for your home or other activity, always calculate the amount of power youll be needing then buy about 1.5 times the output. Propane powered generator. This is very frustrating, to say the least because your house/outdoor appliances are going to lose power without warning. As the oil cap clog, there will be no air supply to the tank which creates a vacuum preventing the flow of oil to carburetor hence stopping the engine. Is the CHP pulling RVs over to weigh and measure them? When motors break down or refuse to run all the time, there is a myriad of problems that could be the actual source. The solution is thoroughly cleaning the carburetor with the appropriate cleaners. The problem is latent in every new release of generators. You can also carry out preventive care to the generator this includes evaluating the switchgear and other controls making sure they are in good condition. -- posted. If its a diesel engine, prime the air out at the fuel valve then restart the engine with the valve in the OPEN setting. 1. Improper use. If so, buy a new one. Firstly, remove the spark plug from the generator. Both of these sources are easy fixes as you can plug the holes with duct tape or replace the fuel line. If it gets clogged up, either air or fuel or both wont reach the combustion chamber. Theyre not really a do-it-yourself repair. JavaScript is disabled. 9734-1, it is listed with an * in the IM-NP-Q Generac Diagnostic Manual, with a note saying this unit is equipped with an LP gas fuel system. Some situations may mandate a visual inspection and further hands-on testing. Also, ensure the empty tank is full and there no leaking. Vapor lock can also happen if the air intake and cooling fins are dirty, or when its too hot outside. In such a case, the generator wont generate any power to keep it running and will simply shut down. 1800 RMP Diesel generators offer someone with an efficient machine that requires less upkeep compared to other fuel generators. the generator wont get fuel to run on and will thus shut down after a while. It will then run fine. If you are overloading your generator, there will be leftover soot in that area. Place the other end of the line into the gas can. For this reason, it is good to read carefully your manual and set the generator correctly. Remember, the advice, recommendations and procedures offered by The RV Doctor are solely those of Gary. If the fuel cap is closed too tightly or the small vent is clogged up, air wont flow into the tank to take up the space left by the used-up fuel. If its higher than the MAX reading, drain some oil from the engine. Fuel valve or line is clogged. How to fix a Honda generator that won't stay running DIY OneForAll 4.44K subscribers Subscribe 177 Share 34K views 4 years ago If your generator will not stay running, this fix may just. When your Champion generator runs then shuts off after a while, it could an issue with the oil level in the engine. One o the reason that makes your generator from running continuously is clogging of the carburetor or bad fuel. Remove the filter and replace it with a new one. The generator can have issues with the wiring and flow of current from the battery to the parts which may lead to it shutting off. All the G suffix generators are gas powered. Or do some light tapping in the right place to help loosen the sticky oil. What can you Run on a 2000-Watt Generator? If this is the case, drain out all the stale fuel then add fresh fuel to the generator and try again running the engine. As a homeowner, I am constantly experimenting with making the structure of my house more energy-efficient, eliminating pests, and taking on DIY home improvement projects. The more modern the device the harder it is for DIY mechanics to fix the problems. I want Steves Small Engine Saloon to SAVE YOU TIME, FRUSTRATION AND MOST IMPORTANT, MONEY!If you Google your issue, problem or symptom, you may just see one of my videos pop up! During this process, there is the presence of ammonia gas and water inside the generator. Preventing this issue is quite easy since you only need to start your generator using the switch (not the pull cord) at least once or twice every month. Remove the spark plug from the generator then observe for dirt and any debris. The amount of fuel needed to start the generator is quite low compared to that needed to run it. Remove the fuel line from the pump (not from the carburetor) on your genset, and install a piece of gas line 4 or 5 feet long. If youve checked the fuel supply and its still functioning properly, check the air filter next. While the battery to your generator is mainly used in starting it, it also supplies power to it and may shut off the generator if its not properly charged before using the generator. 2.) You can still start it because of the gasoline that remains in the fuel line, but once this is burned, your generator will stop working. However, despite all your troubleshooting efforts, the generator may just fail to start. When troubleshooting ensures the generator is off. One should check its oil level and change the oil after several months. This occurs in a looping series with the piston moving up to compress the air and fuel mixture followed by an ignition by the spark plug. If this occurs, try loosening the fuel cap then running the engine again. Hope this information helps and good luck! No screwing around with it, found a lot of rusted metal in cavity where it is . 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