[RE-wrenches] Control board Kohler 14 RES

Mac Lewis maclewis1 at gmail.com
Tue Aug 25 22:18:05 PDT 2015


Hello wrenches,

I've got an issue I'd like to put out there and see if anyone has heard of
this before I call BS on a generator tech.

We we're upgrading an off-grid site from series stacked stacked Trace 4024
to parallel stacked Magnum 4448 PAE inverters, changing battery bank,
adding solar, auto gen start, battery monitor etc.  When we arrived, the
generator, a Kohler 14 RES was not functioning.  It was blowing the crank
fuse when you'd try to start it.  We left it alone because it wasn't in our
scope of work to get it going.  The customer had a hard time getting good
service on that generator and spent way too much money (25% more than MSRP
on a new one) getting this generator fixed.  It was pulled out 3 times and
worked on by two different generator companies before it was fixed.

The owner now says that the second generator tech told him that he had to
"add a board that keeps the inverters from back-feeding the generator".  He
also said that "new inverters do this more than the old ones".  Obviously,
the owner thinks that we should have known about this.  I think its an
outright lie by the generator tech to cover his misdiagnosis, but I'd like
to hear from others if such a board exists.  Anyone heard of or had a
problem with this generator?

We are Kohler certified technicians and this "board" is news to us.

Thanks


-- 



Mac Lewis

*"Yo solo sé que no sé nada." -Sócrates*
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