Question about Generac Power Systems Electrical Supplies
Also the unit surges up and downd very bad when starting a microwave oven. Once started the oven works fine. It seems to do the same thing with other loads alos. Seems like the unit is not responding quick enough. The other question is what is the proper idle mixture setting? Thanks
It sounds as though there is an issue with the carburetor. If the unit is "surging" with no load I would recommend thoroughly cleaning the carb. It would also be a good idea to test the fuel pump. Per Generac you need to disconnect the fuel line leading to the carb and pull the starter rope over to see if adequate fuel is flowing. If none of this is the issue try testing the stepper motor on top of the carb. If you unclip the wire and use an OHM meter all wires should test at 150 ohms. to test place on test lead on the blue wire and move the other lead to the remaining four wires. The should all ohm out to roughly 150ohms. if this is not the case you need to replace the stepper motor.... Before you do any of this you should check for fresh fuel, a good spark plug, and proper compression.
Posted on Apr 23, 2013
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Posted on Jan 02, 2017
SOURCE: McCulloch 11HP FG6000MK surging
I just came across this post. Hopefully you have it solved. But for others who may run into this problem here is my advice. This model has a low oil sensing system. Over time the oil breaks down or gets contaminated. This can cause sympoms very akin to carb issues. I'd check this 1st as its the easiest fix. Drain and replace oil to the factory recommended specs. Make sure it is to the proper level. Your not finding any carb issues makes this almost a sure thing. DO NOT DISCONNECT or DISABLE the sensor or you defeat its purpose.
Posted on Jan 12, 2010
I'd say your battery in the generator is going bad or bad. They are very small and do not hold a charge for very long. The noise you heard was probably the starter shaft hitting the flywheel cogs. I doubt any harm was done as long as you did not repeatedly try to start it with the key. Why Honda put a battery in these is because they are intended for use in a campground setting, where they would be used on a daily basis and the battery would constantly charged. Whereas people like us buy them for emergencies only, they sit for long periods, and the battery goes flat, and the fuel clogs the carb and we get the surging issue. That's my 2 cents. When I brought mine home new, I Sta-bil'd the heck out of the gasoline, this past winter, on start-up, the unit surges. Of course the battery was flat.
Posted on Mar 17, 2009
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.
Posted on Jan 26, 2009
SOURCE: Surging 5000w Coleman Generator
I had a Colman that only surged when it had a large load on it. ConsumerReports.org says that some Coleman generators just can't hold a constant voltage. Hondas are expensive but very good,.
Posted on May 08, 2009
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