did I damage AVR (honda generator) ?

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did I damage AVR (honda generator) ? Mark 07-03-2008
Posted by ransley on July 3, 2008, 8:31 pm
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> generator is honda gx390, 6600w / surge 8000, northerntool pro series 800=
0, unit has
> total running hours under 30.
>
> had it connected to load and suspect the ground post connection wire was =
not properly
> connected to post at other end, ie. bad ground connection may have caused=
it to turn
> off.
>
> after running it on about 2000-2500w load for 30 minutes, lights flickere=
d inside
> couple times and then shut off, there were no motors running or starting =
at the time,
> just couple inside lights, fridge, tv and radio, small a/c unit which use=
s only 1000w,
> nothing else was running.
>
> when I ran to the generator, could detect a faint electric burn odor and =
now suspect I
> may have damaged the automatic voltage regulator.
>
> it restarted fine (I did not reconnect to load) and I got 240/120 output =
voltage from
> the connection plug but did not want to put it back on load for fear of m=
aking things
> worse (?)
>
> is the AVR easy to diagnose and replace? how sensitive are the hondas or =
generators in
> having the proper ground post connection, if that was the cause of the sh=
ut down?

The Gen ground post , one on the unit you wire to a ground? is to
protect you incase its raining or it malfunctions and you go to shut
it off, I move mine while the unit runs, if it doesnt work it is
another issue, like defect.

Posted by Mark on July 3, 2008, 8:38 pm
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ransley wrote:
> The Gen ground post , one on the unit you wire to a ground?

right, I mean the green covered "bolt" with the marking text "Grounding Post"
and I've
understood reading the manual that I should always use a heavy gauge copper wire
(ie.
14 gauge) and connect it to my 8-ft copper spike buried in the ground (2 ft
above, 6
ft buried)

the other "end" of the wire had apparently come off the 2-ft top section and I
suspect
could not discharge the powerhead properly while running (I am speculating as I
don't
know what else may have caused it to shut down while running)

> is to protect you incase its raining or it malfunctions and you go to shut
> it off, I move mine while the unit runs, if it doesnt work it is
> another issue, like defect.

sorry, don't quite understand what you write above. It was raining and the unit
was
not moved while it was running.



Posted by ransley on July 3, 2008, 8:54 pm
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> ransley wrote:
> > The Gen ground post , one on the unit you wire to a ground?
>
> right, I mean the green covered "bolt" with the marking text "Grounding P=
ost" and I've
> understood reading the manual that I should always use a heavy gauge copp=
er wire (ie.
> 14 gauge) and connect it to my 8-ft copper spike buried in the ground (2 =
ft above, 6
> ft buried)
>
> the other "end" of the wire had apparently come off the 2-ft top section =
and I suspect
> could not discharge the powerhead properly while running (I am speculatin=
g as I don't
> know what else may have caused it to shut down while running)
>
> > is to protect you incase its raining or it malfunctions and you go to s=
hut
> > it off, I move mine while the unit runs, if it doesnt work it is
> > another issue, like defect.
>
> sorry, don't quite understand what you write above. =A0It was raining and=
the unit was
> not moved while it was running.

You ran the unit in the rain! I hope it had a roof over it and did not
get wet. I mean that chassis ground is to protect you, not the gen,
units go bad or if its wet the operator can be killed if its not
grounded when the operator touches the generator. I just have my wire
attached to a piece of metal I throw on the ground, and i move it
while the unit runs.

Posted by Mark on July 3, 2008, 9:05 pm
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ransley wrote:
> You ran the unit in the rain! I hope it had a roof over it and did not
> get wet. I mean that chassis ground is to protect you, not the gen,
> units go bad or if its wet the operator can be killed

yes, the top of the unit has a kind of lid that protects all parts in such a way
that
no water hits any electric parts and the powerhead is located under plastic fuel
tank
so also protected from rain

ok, so the grounding wire is simply to protect me and unit would continue to run
even
without proper ground wire, got it

not sure then why it decided to turn off this time as I had no new load starting
when
this occurred, both fridge and ac were running steadily, not turning off and on
when
it decided to flicker lights and shut off.

is there a simple way to diagnose what it will do under load to simulate the
event
without actually connecting to house load?



Posted by Mark on July 4, 2008, 7:59 am
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ransley wrote:
> know, my 7500w unit says its not weatherproof, I would not want it
> rained upon water goes most anywhere and this is air cooled with water
> going anywhere it wants to. Its not weather sealed..

perhaps my mistake in describing it but it actually is totally weatherproof,
that is,
there is not a drop of water possible to go anywhere on this unit, even in
moderate
rain. in a hurricane, yes, but yesterdays rain was a mild one where one could
easily
walk for short distance and get just one or two drops

so, don't think the shut down was due to weather


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