Posted by szilagyic on October 22, 2006, 8:49 pm
I found the solution to a previous thread I started about problems with
my Northstar 8000W generator and wanted to post it. The original post
is included below. The problem turned out to be an issue with the
generator head. Apparently, somehow the shaft of the head was
"charged", and this "charge" would travel from the head into the
engine, and trip the low oil sensor (Honda GX390). The head was
replaced under warranty and everything has been fine ever since. So I
hope this may help in case somebody else runs across this.
From: c...@groupinfo.com - view profile
Date: Wed, Aug 30 2006 10:21 pm
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I have a question regarding my Northstar 8000 Watt generator (with 13
HP Honda GX390). Recently we had to use this generator extensively and
during that time, the generator quit on us as if we hit the kill switch
on it. Now, I cannot get it to run more than about 5 minutes with any
load on it (even something as small as a fridge and freezer). Without
a load, it seems to run fine without any problems. I've already taken
it to the nearest Honda dealer which replaced the Low Oil Sensor
switch. However it is still doing the same thing after I got it back.
The last test I did was hook up an air compressor to it. The air
compressor motor tried to kick on, however the motor only turned over a
couple times and quit, and the generator shut off at that exact moment
as if I hit the kill switch. I did this test 3 times and got the same
Does anybody have any ideas or suggestions on what could be the issue
with this thing? I will be calling Northern Tool to see what the next
step is, but I wanted to see if this group may have more ideas. This
is pretty frustrating.
I appreciate any and all feedback.
Posted by beavis on October 23, 2006, 6:15 pm
did you end up taking the gen back to northstar for the repair or somewhere
as directed by honda? if so, where?
any chance you asked them if this had been previously reported by other
also if you don't mind telling, how long did it take for the repair and
return of unit to you? I'm assuming this was done locally in your area or
did they send unit somewhere else?
would you care to post the precise northstar part name/model (not honda
gx390) of the entire gen unit
Posted by arno on October 24, 2006, 1:13 am
the original poster probably ran the generator without proper ground
Posted by szilagyic on November 11, 2006, 3:25 am
Would running it without proper ground actually cause this problem to
happen to the head? I will admit that at times I don't think the ground
was as secure as it could have been.
Northstar told me that one in several thousand have this problem, and
that they do not know why it happens. They just said they replace the
entire head and it has fixed it every time. I can attest to that, as
it did fix the problem.
Posted by szilagyic on November 11, 2006, 3:22 am
Northstar had me take the generator in to the nearest service center.
When you call their customer service number (800-270-0810), they will
help you locate the nearest one. Northstar shipped them the generator
head to the service center and they did the repair there. The repair
took about 2 weeks (1 1/2 weeks for them to ship the head, and a couple
days for the service center to install it).
The model # of the entire unit is 165914P (the 8000 W model without
electric start). I do not know any further info on the head itself, it
really isn't labeled as far as I can tell.
I hope this helps.