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Strange Onan Genset problem Jerry 3-13-03  
I have an Onan genset in a 1990 Jayco Class C MH. It only has a little over 200 hours on it. It runs good and strong, but has a strange idiosyncracy.

About every other time it will not start unless you pull the 5 amp glass fuse for a moment and then re-set it. This is the fuse on the control board. It is not blown, and it appears that something is energized on the board that keeps the unit from starting until the fuse has been pulled, thus effectively removing current for a moment.

Does anyone know what I am dealing with here? Any solutions?
Re: Strange Onan Genset problem Joe 3-14-03  
It probably has a bad shutdown sensor. Without knowing your model, it is still a guess, but it may have an overheat sensor, or a low oil pressure sensor. They are supposed to be bypassed when in the "start" mode, but that doesn't always happen.
Re: Strange Onan Genset problem Dave F 3-16-03  
I had the same problem, the fix for me was to clean the contacts for the fuse.
Re: Strange Onan Genset problem Joe in Tennessee 4-6-03  

Try this site for a posssible answer to your questions.

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