Could be the load you have on it is to much for when it does it it self .when you do it do you turn power off then start it and then putt the power back on .then it would run easy every time .could be your back up battery for it is to small .is it on a transfer switch like it should be when it starts it self .
SOURCE: auto idle on a reddy rgh11000 ie will not idle down
This sounds like the idle control solenoid has become misadjusted. To check that this is the case, locate the throttle lever and follow it back towards the governor arm until you find the solenoid. Start the generator and switch on the idle control while watching the governor arm where it passes near the solenoid, if the arm snaps back and forth you probably have a bad adjustment. To readjust the solenoid loosen the jam nut on the core of the solenoid just enough that you can turn the core by the square bit on the end. Adjust the core 1/4 turn or so at a time until the governor arm stays in position when the idle control is on, then turn idle control off and make sure that the governor arm goes back to the full throttle position. You may have to fiddle with the adjustment a little until you find the right spot. Tighten the jam nut back down and you're good to go.
Carl
SOURCE: Generac Guardian 15kW Generator
That sounds just about right, if the relay contacts get welded together it sometimes takes out the driver on the printed circuit board. As you found out, 12vdc from 23 to 194 makes the transfer switch move to the Generator position, relay not energized makes the ATS move to the Normal position.
You can make a nice test function by installing a 10 amp contact switch in series with either the N1 or N2 terminals. When the switch is open the generator thinks the Normal power has failed.
Regards,
Carl
SOURCE: Generac 43903 standby Generator overspeed indicator on starting
I have a generator that did the same thing. It would start and then stop within a few seconds. The more expensive generators have an oil level safety switch to prevent the engine from burning up. There is usually a wire connecting to the switch on the outside of the engine near the oil fill hole. Remove this wire and try to start the generator. If it runs without a problem then it is the switch. You need to remove the switch and take it apart carefully and clean it. There is a small float inside the assembly. When the oil runs low the float allows the switch to short to ground which kills the spark to the spark plug. Hope that helps.
Bob Janelli
I’m happy to help further over the phone at https://www.6ya.com/expert/bob_62dfa2f81bb55288
Testimonial: "This is good information in the event that the low oil switch is part of the problem."
SOURCE: I have a 17kw generac generator that will run
I have the 18KW model and was told that most alarms relate to a low battery. Make sure the battery charger in the Transfer Switch is properly feeding the battery or hook up a mobil battery charger to the battery and see if the alarm goes away. Good Luck.
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