Question about Northstar Generator 13 Hp, 8000 Watt, Trifuel

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I have a northstar 13hp 8000ppg generator. I was using it last wk and it was working fine. when it quit. I have checked the curcuit breakers and they are all ok. I have tested the generator and there is no current any where. When I was using it I was just running a couple of small appliances. So I do not beleive it got over loaded. Doug Clark clarksdairy@hotmail.com

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Hi Doug. Welcome to FixYa I am Kelly. Download this manual and use the applicable section for troubleshooting your Generator.

www.gen-parts.com/Manuals/85680.pdf

What concerns me is you said "there is no current anywhere."
This lead me to believe that given at the time of failure you had a light load on the unit that maybe something simple like a wire has vibrated off a connection somewhere.

Is this a brush type or inverter type generator? If it is a brush type one brush getting hot and moving away from the slip ring assy will cause the exact same symptom.
With the brush block installed you should read a low resistance across the brush block terminals.
If you remove the brush block and one brush is longer than the other one suspect the brush block as the cause.

If it is an inverter type generator there are two types one with an inverter electronics box and the other with one or 2 large capacitors. The one with the large capacitor if the condenser wire has come off or burned, the field will not flash. (Common issue)
There is also a 4 post diode block that must be functioning correctly to have a generator output. There is one terminal 90 deg out from the other three that is the positive terminal. It should read to all other posts in one direction and not at all in the other direction. (meter leads reversed)

This should be enough information for you to isloate the problem. If not just respond here and we can walk through troubleshooting your generator after you have the manual and have done some basic troubleshooting.

Thanks for choosing FixYa.

Kelly

Posted on Jul 30, 2010

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