Low voltage can be from incorrect running rpms
as it is new out of the box I suggest that you get a service under warranty to sort out any problems
you stated that it was new out of the box so dirty air filters is out of the question
as it runs on propane gas, lack of fuel could be a pointer to a bad regulator or low gas in the tank
did you get a regulator in the case with the unit or did you use a bbq regulator
there could be different flow rates if you did which will be a lack of fuel response
I still suggest a service call under warranty because if you set it up according to the set up/ user manual , it should start and run straight up with out problems
I am confused
you say straight out of the box new , yet it ran for 8 hours with out a problem
just how big is the propane tank you are using
if it is a 9kg bottle , he bottle is probably empty
exactly what size is the gen set as 15kw is a large capacity unit ( big enough to run 2 houses)
if it is 1.5kw then it was probably running in an overloaded situation and could be damaged
remember gas ( propane is cheap but is less economical that petrol and will not last as long on a gallon of gas
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SOURCE: Generac Guardian 17.5KW Generator dies
If this is one of the big "taco cart" portables you need to check that the vent on the gas cap is open when you're running the engine. In the center of the gage on the gas cap is a little knurled knob, turn it counter clockwise (lefty loosey), about a half turn or so and run the generator.
If that doesn't solve your problem add to it here, otherwise please give me a rating I'm trying to build a little credibility here and could use the help.
Carl
SOURCE: The generator starts up runs for about 15 seconds and shuts down.
Check the oil pressure switch
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
SOURCE: Generac Guardian 15 kw overspeed fault
Did you remember to set the overspeed shutdown threshold on the control board?
SOURCE: Generac generator will start, run for a moment and
Its the Oil sensor just pack the oil sensor wires together with a smal screw and bolt and try starting if it starts your problem is the oil sensor they tend to go bad I have run through several myself . To avoid hassles I now have overidden the sensor but I check the oil level everytime I need to use the generator
SOURCE: generac xg10000e won't start
Very annoying is the word. In order for many on todays small engines to pass EPA regulations, the carburetor is set very lean. This makes them very hard to get started and warmed up. Once warm, most will run OK .
Try choking a little 'til it is warmed up and running smoothly. Some have an adjustable main jet that can be opened a little to overcome this problem.
Some are not adjustable and some have a small plastic cap over the adjusting screw. The plastic cap is supposed to be a tamper proof thing.
If you still have trouble take it to the local small engine man. I am sure he has the cure or marbe he can adjust under warranty.
Hope this helps. Robert
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Hey bill thanks for the response, just wondering even know I ran it for about 8 hrs the day before with zero problems , you still think it might be rpm? I have it mounted on my concession trailer running of propane, my electrician came and looked and he didn't know either! Thanks
We did some research and it said dirty air filter and or lack of fuel or not enough, just kinda of baffled!
I wanted to do a dry run in the concession trailer before I got out in the field so I fired everything ran it alday( I have 2 propane tanks that mount on concession trailer, also I filled again today before leaving for show and have two more for back up, didn't want to get caught with my paints down so to say!! There wouldn't be any reason if this generator can run two house hold for it to been damaged if it all was professionally installed if it ran yesterday alday yes new out of crate and then I go to fire again today to have any problem unless maybe a bad regulator or maybe something else that's why I came to this fixya forum!!
just trying to diagnose the problem but your right calling generac is prolly the only solution at this time!
well all we can do is to give different views to a possible solution but ultimately you have to decide what to do and the warranty service will be the right decision
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