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I have a onan 6.5 emerald gen,when you start it it quits as soon as you let go of the start button, will run fine while holding start button on,then quits when you release,please help,maybe field not charging? how to check
Re: I have a onan 6.5 emerald gen,when you start it it...
More likely the switch is bad, and only make run contact when in the start position. Easy to test the switch continuity with a ohm meter when it is not running.
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get a test light and do some tests for power and ground. some of these gens have a start switch on the gen. doing the remote start feature test will take two people to do, one to play with the switch and you outside at the gen probing. this is a good test light cheap I recommend.
you also might want to pull the remote and inspect the wires
Cleaning the brushes is used to address an AC output problem. If the generator would run for a few seconds after letting go of the button, then this might apply.
But, since yours is dying as soon as you let go of the button, that tells me that you are probably looking at a low oil condition, or a sensor / sending unit failure for oil level.
Without spec number, hard to remember if the sending unit is for low oil pressure, or low oil level. Either way, the ignition is being grounded. First, double check your oil level, make sure generator is reasonably level. If still not resolved, then locate the sending unit, and remove the wire that is on the end of it. There should be a connector either a few inches from the sending unit, or a few inches from the control board (coming from big white plug). Disconnect at either place. Try starting again. If it starts this time, double check oil levels. If those are fine, then sending unit has failed, or oil pump (if pressure unit) has failed. In either case, don't run for very long until sending unit is replaced, just in case.
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