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Generator stops after 2 minutes of running
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Voltage 3970, Onan 5500 gen. Unit was sitting for 2 months because last time gen was used. Started gen, ran because that 2 minutes the stopped. Waited for pair of minutes then began again. Quit after 2 minutes. Readjusted spark plugs, fuel filter (3 times), brand-new fuel pump, oil change. Even fed the fuel straight from a gas can. No changes. The just thing I have left is the carburetor.I am not certain the carbohydrate is the issue. Seems to run simply fine for the pair of minutes.Any ideas? maybe something to perform with the generator taking on a load and having one issue? do the efforts to acquire answers before taking come the shop.

You are watching: Generator runs for a few minutes then stops


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Re-posted this to this thread hoping to acquire some response.Voltage 3970, Onan 5500 gen. Unit to be sitting because that 2 months since last time gen to be used. Started gen, ran for 2 minutes the stopped. Waited for couple of minute then started again. Quit after 2 minutes. Changed spark plugs, fuel filter (3 times), brand-new fuel pump, oil change. Also fed the fuel right from a gas can. No changes. The only thing I have left is the carburetor.I am not certain the carbohydrate is the issue. Seems to run simply fine because that the pair of minutes.Any ideas? possibly something to carry out with the generator taking on a load and having an issue? make the efforts to acquire answers prior to taking to the shop.
Re-posted this to this thread hope to acquire some response.Voltage 3970, Onan 5500 gen. Unit to be sitting because that 2 months because last time gen to be used. Began gen, ran for 2 minute the stopped. Waited for couple of minute then began again. Stopped after 2 minutes. Readjusted spark plugs, fuel filter (3 times), brand-new fuel pump, oil change. Also fed the fuel directly from a gas can. No changes. The just thing I have actually left is the carburetor.I am not sure the carbohydrate is the issue. Seems to run just fine for the pair of minutes.Any ideas? possibly something to perform with the generator taking on a load and also having one issue? do the efforts to get answers prior to taking come the shop.
I would check the carb. Runs until it runs the end of fuel. Probably a stuck needle valve bowl fills increase too progressively to save running however fuel seeps into carb to fill bowl..look there!
I had a very similar issue.After the generator shuts down, is the Start/Stop switch light flashing? If so, press down (Stop) and take note of the flashing lights. It will flash a set number of times, pause, and flash a different set. (3 blinks, pause, 6 blinks = Fault code 36)In my case, a chip ~ above the controller board had actually blown. Surprisingly the generator still started up and ran, however would shut down after a couple of minutes. Let us recognize what girlfriend find and I can shot to help you eliminate the regulate board to examine it out.
My portable Honda would certainly run about an hour before stopping. It must run about 5 hrs with a significant load. The carb had actually red sediment in the rise bowel. Cleaned carb, lines, and filter. Currently it runs till there in no fuel left.I currently use fuel stabilizer in the gas. Ns was told lengthy periods of no being supplied would cause problems. Currently I believe.
Thanks for the replies. I thought around the carburetor, just have not obtained into that yet. I will inspect on the carbohydrate this weekend. Yes, the light on the move is blinking when it turn off down. The fault code is 36. Wherein is the manage board located? The trailer is in storage no close come the residence so I have to go ~ above the weekends. I will look in ~ the owners manual likewise to try to discover the location.
__________________2019 ram 3500 limited w/ Max Tow pkg2005 Cardinal 33LX2014-3950, complete Paint, 17.5" tires, 370W solar, 3100W Magnum inverter w/ AGS, 7500w diesel generator, Micro-Air straightforward Start 364 (x3) SOLD!
Voltage 3970, Onan 5500 gen. Unit was sitting because that 2 months due to the fact that last time gen to be used. Began gen, ran because that 2 minutes the stopped. Waited for pair of minute then began again. Stopped after 2 minutes. Adjusted spark plugs, fuel filter (3 times), new fuel pump, oil change. Even fed the fuel straight from a gas can. No changes. The just thing I have left is the carburetor.I am not certain the carb is the issue. Appears to run just fine for the pair of minutes.Any ideas? maybe something to do with the generator acquisition on a load and having one issue? trying to acquire answers before taking come the shop.
Never tried this through an ONAN, but. Through a couple of other type of tiny motors. When I have suspected dirty old gasoline/carburetor issues, I placed in a most Stabilt in the tank and also run. Permit sit. Operation again. Etc.I assumption: v in enhancement to keeping gas it has actually some "cleaning/unclogging properties. You can get lucky
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Good luck.Bill
Thanks because that the replies. I thought around the carburetor, just have not gained into the yet. Ns will inspect on the carbohydrate this weekend. Yes, the light on the move is blinking when it shuts down. The fault password is 36. Wherein is the manage board located? The trailer is in storage no close come the residence so I have to go on the weekends. I will certainly look at the owner manual also to try to discover the location.
Code 36 method the engine quit without a shutdown command native the regulate panel. This could be brought about by a negative fuel pump, clogged filter, crimped fuel line, dirty carb, and on and also on.
Mine had actually a error of 36 as well. Came to be a puffy chip on the controller board. To accessibility it, you need to remove the switch housing first, then feel roughly for a couple of screws hold the controller plank on. To get a far better idea, look it increase on YouTube.
Appreciate every one of the information. I provided Seafoam fuel therapy to shot to clean the carb. Ns will examine the to rise needle. I have actually read various other threads the the manage module is quite expensive. I am maintaining my finger crossed that is not the problem. I will send information later.
Take waiting cleaner turn off spray carb cleaner into intake only shot and begin it. It need to run for a few seconds if it"s carb issues.
If your battery is low, the Onan 5500 will certainly shut itself off. Even if you jump start, the wills start then revolve off.
My trouble was similar to yours. That ran because that a 10 come 20 minute period the an initial startup. Closeup of the door off with the 36 code. On subsequent starts that would only run for around 1 or 2 minutes. Changed pump, no dice. Noticed soft point out in fuel line between pump and also carb and also decided to change with a item of high push fuel injection hose. It operation now yet still appears a little off. I can look right into the dirty or failing carb needle on the turn off season. I would really like to discover a great explanation top top the concept behind the springs and vacuum pot maker associated through the carb.
Leisure Solar has actually a an excellent point. Happened to me too. Low battery and also the Onan shuts off. Shot charging battery because that a while first, prior to you start ripping apart carb etc. Just might be your problem.
I think the answer might be putting a pump ago at the fuel tank. Right here is a object on the To watch pics of mine installation goto web page 5 the this post
I had the precise same problem and that"s just how i solved it. Just like in the article mentioned above, I set up the same OEM Onan fuel pump in ~ the fuel tank. Wired it come the generator fuel pump and also have not had actually the trouble again. The generator fuel pump has actually a challenging time illustration from the it is provided tank on part RVs once the tank is at the earlier of the RV.
As soon as the quits and will no restart pull a plug wire and test because that spark. If friend still have spark then it"s a good bet that it"s a fuel issue. Climate test for fuel flow. Because that a carb the fuel pressure wont be very much yet you need to verify the the fuel pump is working. It appears to me the a generator would run about two minute on the fuel in the bowl. But, it could additionally be an issue in the ignition - 2 minutes is about how long it takes for something to obtain warm, break the circuit, no spark.. But, you"ll must test for these points to recognize where you"re going.

See more: You Are The Pc Technician For A Company, Working With Customers


Rsstangl,I have a Voltage 3800 with, I"m sure, the exact same generator. Mine would execute the same as soon as the environment was hot.Added an electric fuel pump ago at the tank, changed out the cheap fuel water tap you can pinch shut through two finger (put in real fuel hose) wired the second pump to the first.Three years ago and not a single problem. I"m no real great at periodically running the generator. Yet it starts every time.Just thoughts,Pirate
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